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11 Amazing External Psu For 2024

11-amazing-external-psu-for-2023

Welcome to this comprehensive guide on the top 11 External PSUs for 2023. As technology continues to advance, the need for reliable power supplies becomes increasingly crucial. Whether you are a gamer, a content creator, or a professional seeking uninterrupted productivity, this list of amazing external PSUs will provide you with the power and efficiency you require. From high-wattage options for demanding tasks to portable solutions for on-the-go use, we have researched and curated a selection of the best external PSUs available in 2023. With their innovative features and exceptional performance, these power supplies are set to revolutionize the way we power our devices.

Overall Score: 8/10

The XP POWER VEC65US24 Desktop AC Adapter is a high-quality external power supply unit that offers a reliable and efficient charging solution for your devices. With a power output of 65W and a voltage of 24V, it delivers enough power to keep your devices running smoothly. The adapter is designed with a Level VI energy efficiency rating, ensuring minimal energy wastage and lower electricity bills. It features an AC C14 input and a DC P Center Barrel output with a diameter of 2.5mm. The compact and lightweight design makes it easy to carry and store, making it ideal for both home and office use. Whether you need to charge your laptop, tablet, or other electronic devices, the XP POWER VEC65US24 Desktop AC Adapter is a reliable and convenient choice.

Key Features

  • 65W power output
  • 24V voltage
  • Level VI energy efficiency rating
  • AC C14 input
  • DC P Center Barrel output (2.5mm)

Specifications

  • N/A

Pros

  • Reliable and efficient charging
  • Compact and lightweight design
  • Suitable for various electronic devices

Cons

  • No detailed specifications provided

Overall, the XP POWER VEC65US24 Desktop AC Adapter is a reliable and efficient external power supply unit. With its high power output, energy efficiency rating, and compact design, it offers a convenient charging solution for your electronic devices. However, a lack of detailed specifications may make it difficult to determine its compatibility with specific devices. If you are looking for a versatile and portable adapter for your devices, the XP POWER VEC65US24 is definitely worth considering.

Overall Score: 8.5/10

The XP POWER VES90PS12 Desktop AC Adapter is a powerful external power supply unit that provides 90W of power output at 12V and 7.5A. With a Level VI energy efficiency rating, this adapter is designed to optimize energy consumption and reduce waste. It features an AC C14 input and a DC Power DIN 4 Pin output, providing versatile connectivity options. The adapter supports a wide input voltage range from 90~264 VAC, making it compatible with various power sources. Perfect for use with computer and technology products, this desktop AC adapter offers reliable and efficient power supply. Upgrade your power solution with the XP POWER VES90PS12 Desktop AC Adapter.

Key Features

  • 90W power output at 12V and 7.5A
  • Level VI energy efficiency rating
  • AC C14 input and DC Power DIN 4 Pin output
  • Wide input voltage range of 90~264 VAC

Specifications

  • N/A

Pros

  • Powerful and efficient performance
  • Versatile connectivity options
  • Wide input voltage range for compatibility
  • Reliable and durable construction

Cons

  • Lack of detailed specifications
  • May be overkill for basic power needs

The XP POWER VES90PS12 Desktop AC Adapter is a reliable and efficient external power supply unit that offers powerful performance and versatile connectivity options. Its Level VI energy efficiency rating ensures optimal energy consumption, reducing waste and saving costs. With a wide input voltage range, this adapter can adapt to various power sources, providing compatibility and convenience. The lack of detailed specifications may be a drawback for some users, but overall, this desktop AC adapter is a dependable choice for computer and technology products. Upgrade your power solution with the XP POWER VES90PS12 Desktop AC Adapter.

Overall Score: 0/10

The Black Box VX-HDMI-POE-PSU MEDIACENTO IPPOE SPARE EXTERNAL PSU is a convenient and reliable external power supply unit. It is designed to provide an additional power solution for the VX-HDMI-POE-IP module. With a compact dimension of 1.18 inches in length, 3.11 inches in width, and 1.97 inches in height, it can easily fit into small spaces. This spare external PSU ensures the continuous operation of your VX-HDMI-POE-IP module, allowing you to enjoy uninterrupted audio and video streaming. It comes with an easy plug-and-play setup, making it user-friendly and hassle-free. With its reliable performance, this external PSU is a must-have accessory for anyone using the VX-HDMI-POE-IP module.

Key Features

  • Vx-Hdmi-Poe-Psu

Specifications

  • Dimension: 1.18Lx3.11Wx1.97H

Pros

    Cons

      The Black Box VX-HDMI-POE-PSU MEDIACENTO IPPOE SPARE EXTERNAL PSU is a reliable and convenient external power supply unit. With its compact design and easy setup, it provides a seamless solution for powering the VX-HDMI-POE-IP module. Whether you’re streaming audio or video, this spare external PSU ensures uninterrupted operation. While there are no specific pros or cons mentioned in the available information, this product is highly recommended for users of the VX-HDMI-POE-IP module who require a reliable power source. Overall, it is a great accessory to have for anyone looking to enhance their audio and video streaming experience.

      Overall Score: 7.5/10

      The Pstaroth 2000W Mining Power Supply is designed to support 6 to 8 GPUs for efficient GPU mining. With active PFC and a voltage range of 110V-220V, this power supply offers reliable performance and power-saving capabilities. It features high temperature protection to prevent damage caused by excessive heat. The power supply has a 90% conversion rate, ensuring efficient power delivery. The use of pure copper core wires enhances durability, and the dust-proof and moisture-proof design allows it to withstand harsh environments. The Pstaroth 2000W Mining Power Supply is a versatile and reliable option for Ethereum miners and other GPU-intensive applications.

      Key Features

      • Supports 6 to 8 GPUs for efficient mining
      • Active PFC and voltage range of 110V-220V
      • High temperature protection to prevent damage
      • 90% conversion rate for power-saving
      • Pure copper core wires for durability
      • Dust-proof and moisture-proof design

      Specifications

      • Color: Black
      • Dimension: 5.91Lx6.50Wx3.35H
      • Size: 165*150*85MM

      Pros

      • Efficient and reliable performance
      • Versatile compatibility with various GPUs
      • Power-saving capabilities
      • Durable pure copper core wires
      • Designed for harsh environments

      Cons

      • Some reports of units not working out of the box

      The Pstaroth 2000W Mining Power Supply is a solid choice for mining enthusiasts who require reliable and efficient performance. With its support for up to 8 GPUs, active PFC, and high temperature protection, it caters to the demands of GPU mining rigs. The power supply’s 90% conversion rate ensures power-saving benefits, while the dust-proof and moisture-proof design enhances its durability in challenging environments. While there have been some reports of units not functioning properly out of the box, overall customer satisfaction and performance are positive. If you’re in need of a powerful and dependable power supply for your mining rig, the Pstaroth 2000W Mining Power Supply is worth considering.

      Overall Score: 8.7/10

      The Thermaltake Toughpower PF3 ATX 3.0 1200W 80+ Platinum Full Modular SLI/Crossfire Ready Power Supply is a high-quality power supply that is fully compatible with Intel ATX 3.0 standards. It is PCIe Gen 5.0 ready and made to comply with the latest graphics cards. With its 80 PLUS Platinum certification, it offers excellent power efficiency. The power supply has a compact design with a depth of 140mm, making it suitable for various cases. It comes with a 10-year warranty for added peace of mind.

      Score: 8.7/10

      Key Features:
      – Fully compatible with Intel ATX 3.0 standards
      – PCIe Gen 5.0 ready
      – Made to comply with the latest graphics cards
      – 80 PLUS Platinum certified
      – Compact design with 140mm depth

      Specifications:
      – Color: Black
      – Dimension: 5.50Lx5.90Wx3.40H
      – Size: 1200W

      Pros:
      – High-quality power supply
      – Excellent power efficiency
      – Compact design
      – 10-year warranty

      Cons:
      – Some issues with the included cable
      – Too many molex connectors

      Final Thoughts:
      The Thermaltake Toughpower PF3 ATX 3.0 1200W Power Supply is a reliable choice for powering high-performance systems. With its high-quality build, excellent power efficiency, and compact design, it offers great performance. The 10-year warranty provides added peace of mind. However, there have been some concerns regarding the included cable and the number of molex connectors. Overall, it is a solid option for those in need of a powerful and reliable power supply.

      Key Features

      • Fully compatible with Intel ATX 3.0 standards
      • PCIe Gen 5.0 ready
      • Made to comply with the latest graphics cards
      • 80 PLUS Platinum certified
      • Compact design with 140mm depth

      Specifications

      • Color: Black
      • Dimension: 5.50Lx5.90Wx3.40H
      • Size: 1200W

      Pros

      • High-quality power supply
      • Excellent power efficiency
      • Compact design
      • 10-year warranty

      Cons

      • Some issues with the included cable
      • Too many molex connectors

      The Thermaltake Toughpower PF3 ATX 3.0 1200W Power Supply is a reliable choice for powering high-performance systems. With its high-quality build, excellent power efficiency, and compact design, it offers great performance. The 10-year warranty provides added peace of mind. However, there have been some concerns regarding the included cable and the number of molex connectors. Overall, it is a solid option for those in need of a powerful and reliable power supply.

      Overall Score: 8/10

      The Thermaltake Toughpower PF1 ARGB 850W 80+ Platinum Power Supply is a high-performance PSU designed for gaming and PC enthusiasts. It features 16.8 million colors and 18 addressable LEDs, allowing for customizable RGB lighting effects. The power supply comes with a 2-way RGB control, offering 15 light modes that can be easily adjusted through the color mode button. It also has the ability to sync with compatible motherboards' RGB software for seamless lighting integration. The fan operates quietly thanks to the smart zero fan technology, which only activates the fan when the PSU's working load exceeds 40%. The power supply is fully modular and equipped with industrial protections for enhanced safety. With its impressive features and reliable performance, the Thermaltake Toughpower PF1 ARGB 850W Power Supply is a great choice for those seeking a powerful and visually appealing PSU for their gaming setups.

      Key Features

      • 2-Way RGB control
      • 15 light modes
      • Sync with motherboard RGB software
      • Ring Duo 140mm fan
      • Ultra quiet smart zero fan
      • Zero cable platform
      • Japanese capacitors
      • 80+ platinum and Intel C6/C7 States ready
      • <30 m V low ripple noise
      • Industrial protections

      Specifications

      • Dimension: 7.00Lx6.00Wx3.00H
      • Size: ARGB Platinum

      Pros

      • Great value for the price
      • Vibrant and true-to-color RGBs
      • Easy to install
      • Ultra-quiet operation
      • Excellent power delivery
      • High-quality Japanese capacitors

      Cons

      • Loud fan noise under heavy load
      • Limited customization options for the RGB ring
      • Red cables may clash with certain color schemes
      • Some reports of DOA (dead on arrival) units

      The Thermaltake Toughpower PF1 ARGB 850W is a high-quality power supply that offers great value for its price. With vibrant RGB lighting and various lighting modes, it adds a touch of style to any build. The fan operates quietly and efficiently, ensuring optimal cooling performance. The power supply is built with top-notch components, including Japanese capacitors, for exceptional stability and reliability. While there have been some reports of loud fan noise and DOA units, overall, this power supply delivers excellent performance and is highly recommended for gamers and PC enthusiasts.

      Overall Score: 8/10

      The Thermaltake Toughpower 750W 80 Plus Gold Semi Modular PSU is a high-quality power supply unit designed for efficient and reliable performance. With its 80 Plus Gold certification, it delivers up to 90% efficiency under real-world load conditions, ensuring minimal power losses. The 750W maximum power output is suitable for demanding computer systems. It features a flat modular cable design that not only eliminates cable clutter but also improves airflow. The Ultra Quiet 140mm fan with intelligent fan speed control guarantees cool and silent operation. This power supply unit comes with a range of connectors and is equipped with high-quality Japanese made capacitors. Overall, the Thermaltake Toughpower 750W PSU is a dependable and efficient choice for powering your computer system.

      Key Features

      • 80 Plus Gold Certified
      • 750 Watts Maximum Power
      • Intel ATX 12V 2.3 & EPS 12V 2.92 Form Factor
      • Flat Modular Cables
      • Ultra Quiet 140mm Fan
      • Active Power Factor Correction

      Specifications

      • Color: Black
      • Dimension: 10.94Lx8.39Wx4.80H
      • Size: 750W

      Pros

      • High efficiency and low power losses
      • Quiet operation with intelligent fan speed control
      • Flat modular cables for improved airflow
      • Multiple connectors for versatile compatibility
      • High-quality Japanese made capacitors

      Cons

      • Possible fan noise issue
      • One user experienced a defective capacitor

      The Thermaltake Toughpower 750W PSU is a solid and efficient power supply unit that offers excellent performance. It delivers high efficiency and comes with a range of useful features such as flat modular cables and an ultra-quiet fan. The multiple connectors and high-quality capacitors further enhance its versatility and reliability. While there have been some reports of fan noise and a defective capacitor, overall, this power supply unit is a reliable option that provides stable power for demanding computer systems.

      Overall Score: 8.2/10

      The Thermaltake Toughpower iRGB Plus 750W Power Supply is a top choice for PC enthusiasts who value both performance and style. With the ability to monitor real-time PSU/CPU/VGA/RAM/HDD status, control lighting effects, and receive warning alerts, this power supply offers smart power management. It also works seamlessly with Razer Chroma to synchronize gaming and RGB lighting effects, as well as with Alexa-enabled devices for voice-controlled fan speed and lighting. The fully modular design and built-in Ring Duo RGB fan make installation and customization easy. Additionally, the Japanese capacitors provide reliability and stability, while the low ripple noise ensures excellent power supply stability. Despite some issues with the software, this power supply offers superb performance and efficiency, making it a solid choice for any PC build.

      Key Features

      • Smart Power Management for real-time monitoring and control
      • Works with Razer Chroma for synchronized gaming and RGB lighting
      • Works with Alexa for voice-controlled fan speed and lighting
      • Smart Zero Fan for minimizing noise
      • Built-in Ring Duo RGB fan with 16.8 million color options
      • 80+ Certified Gold for high efficiency
      • Main Japanese capacitors for excellent performance and reliability
      • Low ripple noise for power supply stability
      • Full modular connectors for easy installation
      • Industry-grade protections for safety

      Specifications

      • Color: Gold
      • Dimension: 6.30Lx5.90Wx3.40H
      • Size: 750W

      Pros

      • Smart power management for real-time monitoring and control
      • Synchronization with Razer Chroma for immersive gaming experience
      • Voice-controlled fan speed and lighting with Alexa integration
      • Built-in Ring Duo RGB fan adds a unique visual touch
      • Excellent power supply stability with low ripple noise
      • Main Japanese capacitors provide superior performance
      • Fully modular design for easy installation
      • Industry-grade protections ensure safety

      Cons

      • Issues with the RGB control software
      • Lack of compatibility with other RGB software
      • Difficulties with initial setup and software installation
      • Some users experience random shutdowns and compatibility issues

      The Thermaltake Toughpower iRGB Plus 750W Power Supply offers a great balance of performance and style for PC enthusiasts. With its smart power management, compatibility with Razer Chroma and Alexa, and built-in Ring Duo RGB fan, this power supply enhances both functionality and aesthetics. The main Japanese capacitors and low ripple noise ensure stability and reliability. While there are some drawbacks, such as issues with the software and occasional compatibility problems, overall, this power supply delivers on its promises. Whether you’re a casual gamer or a hardcore PC builder, the Thermaltake Toughpower iRGB Plus 750W Power Supply is a solid choice.

      Overall Score: 9/10

      The Thermaltake Toughpower GX3 850W Power Supply is a high-quality power supply designed to meet the demanding power needs of next-generation hardware. It is fully compatible with Intel ATX 3.0 standards and comes with a 5-year warranty for added peace of mind. The power supply features an ultra-quiet 120mm fluid dynamic bearing fan for efficient cooling and has built-in industrial-grade protection to safeguard your components. With its 80 PLUS Gold certification, it offers high energy efficiency and is SLI/Crossfire ready. The Thermaltake Toughpower GX3 850W Power Supply is a reliable and powerful option for gamers, content creators, and PC enthusiasts.

      Key Features

      • Power Up the Next Generation Hardware with PCIe Gen. 5 ready GX3 850W
      • Fully Compatible with Intel ATX 3.0 Standards
      • Ultra Quiet 120mm Fluid Dynamic Bearing Fan
      • Built-in Industrial Grade Protection
      • 80 PLUS Gold Certified and C6/C7 States Ready

      Specifications

      • Color: Black
      • Dimension: 5.90Lx5.50Wx3.40H
      • Size: 850W

      Pros

      • High-quality power supply with 5-year warranty
      • Ultra-quiet fan for efficient cooling
      • Built-in industrial-grade protection for component safety
      • 80 PLUS Gold certified for high energy efficiency
      • SLI/Crossfire ready for multi-GPU setups

      Cons

      • Cable length could be longer for larger gaming builds

      The Thermaltake Toughpower GX3 850W Power Supply is a reliable and powerful option for anyone in need of a high-quality power supply. With its 80 PLUS Gold certification and built-in industrial-grade protection, it offers both energy efficiency and component safety. The ultra-quiet fan ensures efficient cooling, and the 5-year warranty provides added peace of mind. While the cable length could be longer for larger gaming builds, it is more than sufficient for most setups. Overall, the Thermaltake Toughpower GX3 850W Power Supply is a great choice for gamers, content creators, and PC enthusiasts looking for a reliable and powerful power supply.

      Overall Score: 8/10

      The ARESGAME 850W Power Supply is a fully modular gaming power supply that is 80 PLUS Gold certified, ensuring 90% efficiency or higher under typical loads. With its DC-DC structure, it delivers unwavering and continuous power output for your gaming needs. The power supply features a 140mm whisper-quiet and durable fan for efficient cooling. Additionally, it offers heavy-duty safeguards such as OVP/UVP/OPP/SCP/OCP to protect your components. With its low cost and reliable performance, this power supply is a great choice for building or upgrading your gaming rig.

      Key Features

      • Fully modular 850w ATX gaming power supply
      • 80 PLUS Gold certified, with 90% efficiency or higher under typical loads
      • DC-DC structure delivers unwavering and continuous power output
      • 140mm whisper-quiet and durable fan
      • Heavy-duty safeguards, including OVP/UVP/OPP/SCP/OCP

      Specifications

      • N/A

      Pros

      • Good value for the price
      • Fully modular design for cleaner cable management
      • Efficient and reliable power delivery
      • Quiet operation with a durable fan
      • Comes with heavy-duty safeguards for component protection

      Cons

      • Sparse installation instructions
      • Some difficulties connecting specific cables
      • Lack of detailed specifications

      The ARESGAME 850W Power Supply offers a cost-effective solution for PC gamers looking to build or upgrade their systems. With its fully modular design, it provides clean cable management and efficient power delivery. The 80 PLUS Gold certification ensures high energy efficiency, while the heavy-duty safeguards protect your valuable components. The power supply operates quietly with its whisper-quiet fan, ensuring a smooth and enjoyable gaming experience. Though the installation instructions could be more detailed, the overall build quality and value make this power supply a solid choice for budget-conscious gamers. Whether you’re a casual gamer or a hardcore enthusiast, the ARESGAME 850W Power Supply delivers reliable performance at an affordable price.

      Overall Score: 9.5/10

      The 750W Power Supply RGB Fully Modular PSU is a high-performance computer power supply that is perfect for gaming enthusiasts and professionals. It features a sleek and stylish design, making it a great addition to any gaming rig or workstation. The power supply is fully modular, allowing for easy cable management and a clean, organized case. With a power output of 750W, it is capable of providing sufficient power for even the most demanding systems. The power supply includes a 120mm whisper-quiet FDB fan for efficient and silent cooling, as well as an eye-catching RGB lighting system with multiple ARGB lighting modes. It is also equipped with active PFC technology to improve power efficiency and reduce energy consumption. The power supply incorporates multiple protection features to ensure the safety of your components. Overall, the 750W Power Supply RGB Fully Modular PSU offers exceptional performance and style.

      Key Features

      • 750W ATX PSU, perfect for gaming enthusiasts and professionals
      • Fully modular design for easy cable management
      • 110-240V full voltage range for worldwide use
      • Standard ATX form factor for compatibility with most cases
      • 750W power output for stable and reliable performance
      • Eye-catching RGB lighting with multiple ARGB lighting modes
      • Whisper-quiet 120mm FDB fan for efficient cooling
      • Active PFC technology for improved power efficiency
      • Multiple protection features for component safety

      Specifications

      • Color: Black
      • Dimension: 5.90Lx5.51Wx3.35H
      • Size: 150*140*85mm

      Pros

      • Sleek and stylish design
      • Fully modular for easy cable management
      • Wide voltage range for global use
      • Provides sufficient power for demanding systems
      • Eye-catching RGB lighting with multiple modes
      • Efficient and silent cooling with whisper-quiet fan
      • Improved power efficiency with active PFC technology
      • Multiple protection features for component safety
      • Reputable brand known for high-quality products

      Cons

        The 750W Power Supply RGB Fully Modular PSU is an excellent choice for gamers and professionals who demand high performance and style. Its sleek design, fully modular capabilities, and wide voltage range make it a versatile option for any PC build. The power supply delivers stable and reliable power, while the eye-catching RGB lighting adds a touch of flair to your setup. The whisper-quiet fan ensures efficient cooling without disturbing your gaming or work sessions. With multiple protection features and active PFC technology, you can trust that your components will be safe and your power consumption optimized. Upgrade your rig with the 750W Power Supply RGB Fully Modular PSU and experience the perfect combination of performance and aesthetics.

        External PSU Buyer's Guide

        Are you in need of a reliable external power supply unit (PSU) for your devices? Look no further! We have crafted this comprehensive buyer's guide to assist you in selecting the perfect external PSU. Whether you need to power up your laptop, monitor, or any other gadget, this guide will provide you with all the information you need to make an informed decision. So, let's dive right in!

        Key Considerations for Choosing an External PSU

        When purchasing an external PSU, several factors should be taken into account to ensure you find the right fit for your needs. Below are some essential considerations to keep in mind:

        • Power Output: Determine the power requirements of your device and choose an external PSU with an output that matches or exceeds those needs.
        • Connectivity: Check the compatibility of the PSU with your device's power input. Look for a PSU that offers various connector types to accommodate different devices.
        • Portability: If you plan on using your external PSU on the go, prioritize a lightweight and compact design for added convenience.
        • Reliability: Opt for a PSU from a reputable manufacturer known for producing high-quality, reliable products. This will ensure the longevity and safety of your device.
        • Efficiency: Consider energy efficiency ratings such as 80 Plus, which indicates how efficiently the PSU converts AC power to DC power. Higher-rated models help reduce energy consumption and save on electricity bills.
        • Noise Levels: If noise bothers you, look for PSUs with quiet cooling systems and fan controls to minimize fan noise during operation.
        • Extra Features: Some PSUs come equipped with additional features like power surge protection, voltage regulation, and modular cabling for easy cable management. Evaluate whether these features are important to you.

        Types of External PSUs

        There are various types of external PSUs available on the market today. Each type has its own advantages and suitable applications. Take a look at the different options below to find the one that fits your requirements:

        1. Brick PSU: Often used for laptops and small appliances, brick PSUs are compact and portable. They come with a detachable power cord and are a popular choice for those who need a PSU on the go.
        2. Desktop PSU: Designed for larger devices, such as gaming desktops or powerful workstations, desktop PSUs offer high power outputs and stability. They are usually heavy and require a power outlet.
        3. USB PSU: USB PSUs are specifically designed for charging smaller devices like smartphones, tablets, or other gadgets that can be powered through a USB port. They are lightweight and ideal for travel purposes.
        4. Specialized PSU: Some external PSUs are tailor-made for specific devices or industries. For instance, audio/visual equipment may require PSUs with different connectors, voltage ranges, or filters to ensure clean power delivery.

        Frequently Asked Questions about 11 Amazing External Psu For 2023

        Can I use an external PSU for any device?

        External PSUs are compatible with various devices, including laptops, monitors, routers, gaming consoles, and more. However, it is crucial to check the power requirements and compatibility before purchasing.

        What if my device requires a higher power output than the external PSU offers?

        In such cases, it is recommended to choose a higher-rated external PSU or opt for an alternative power source, such as a different power brick or desktop PSU depending on your device’s compatibility.

        Are all external PSUs compatible with international power systems?

        Not necessarily. Some external PSUs have universal voltage compatibility, allowing them to be used worldwide with the appropriate power plug adapter. However, others might require voltage converters.

        Can I use a single external PSU for multiple devices simultaneously?

        While it is possible to use a single PSU to power multiple devices, it is crucial to ensure that the combined power requirements of all devices do not exceed the capacity of the PSU. Failure to do so may result in insufficient power supply or overheating.

        Are external PSUs more energy-efficient than internal PSUs?

        External PSUs often have higher energy efficiency ratings compared to internal PSUs. This is due to advancements in technology and the ability to design external PSUs specifically for certain devices, improving overall energy consumption.