Introducing the ultimate guide to the "10 Amazing Flex PSU for 2023". If you're in the market for a powerful and efficient power supply unit (PSU) that can handle the demands of today's advanced computer systems, then this is the article for you. In this comprehensive overview, we will explore the top ten Flex PSUs available in 2023, examining their features, performance, and compatibility. Whether you're a gaming enthusiast, a professional video editor, or simply someone who wants a reliable and adaptable PSU for their system, our expert recommendations will help you make an informed decision. Get ready to revolutionize your computer's power supply with the best Flex PSUs of 2023.
Overall Score: 7/10
The SilverStone Technology 350 Watt Flex ATX Power Supply is a small form factor power supply designed for high efficiency. With its 80 PLUS Gold certification, it offers a single +12V rail design and 350W continuous power output. This power supply includes a PCIe 6pin connector and comes with a built-in cooling fan rated up to 32.9dBA. While it may be slightly louder than a whisper, it offers reliable performance for 24/7 operation. The compact size and fixed cables make it suitable for ITX computer builds. With its reputation as a reputable brand, SilverStone delivers a solid power supply option. Overall, it is a quality product with some drawbacks, such as noise and stiff cables, but it fulfills its purpose effectively.
Key Features
- Small Form Factor power supply (Flex ATX)
- High efficiency with 80 PLUS Gold certification & Active PFC
- Single +12V rail design with 350W Continuous power output at 40℃ operating temperature
- Includes PCIe 6pin connector
- Built-in cooling fan rated up to 32.9d BA maximum (slightly louder than a whisper)
Specifications
- Color: Black（Lead-Free Paint）
- Dimension: 3.21Lx1.59Wx5.91H
- Size: 350W
Pros
- High efficiency with 80 PLUS Gold certification
- Compact size suitable for ITX computer builds
- Reputable brand with reliable performance
Cons
- Loud fan noise
- Stiff cables
- Non-modular design
The SilverStone 350 Watt Flex ATX Power Supply is a solid choice for ITX computer builds requiring a compact and efficient power supply. Although it may have some drawbacks such as noisy fans and stiff cables, its overall performance and reliability make it a worthwhile option. The 80 PLUS Gold certification ensures high efficiency, and the built-in cooling fan provides adequate temperature control. While the non-modular design can result in cable management challenges, its small form factor allows it to fit seamlessly into tight spaces. For those looking for a trustworthy brand and a power supply that delivers consistent performance, the SilverStone 350 Watt Flex ATX Power Supply is worth considering.
Overall Score: 9/10
The T.F.SKYWINDINTL Flex ATX Power Supply is a compact and versatile power solution designed for various applications, including rack mount cases, desktop servers, POS systems, and AIO systems. It offers a fully modular design with 350W power output, ensuring efficient and reliable performance. With a class-leading single +12V rail, it provides fast wake-from-sleep times and improved low-load efficiency. The power supply features a black paint shell that is not only aesthetically pleasing but also durable and resistant to damage. It offers strong heat dissipation, high efficiency, energy-saving capabilities, and moisture protection. The T.F.SKYWINDINTL Flex ATX Power Supply is a reliable choice for powering your system.
Key Features
- Fully Modular PSU 350W
- Supports standard Flex ATX form factor
- 350W continuous power output
- Class leading single +12V rail
- Black paint shell with strong heat dissipation
Specifications
- Color: Black
- Dimension: 6.69Lx3.15Wx1.57H
- Size: 6.69*3.15*1.57 inch
Pros
- Fully modular design for easy cable management
- Reliable power output for small to medium-sized systems
- Compact size ideal for limited space setups
- Durable and resistant to damage
- Efficient heat dissipation for improved performance
Cons
- Limited power capacity for high-end gaming setups
- Fan can be loud under heavy load
- No 80+ rating displayed
The T.F.SKYWINDINTL Flex ATX Power Supply is a reliable and efficient choice for various applications, including rack mount cases, desktop servers, POS systems, and AIO systems. With its fully modular design and 350W power output, it offers ease of use and reliable performance. The power supply’s compact size and black paint shell make it aesthetically pleasing and suitable for setups with limited space. It provides efficient heat dissipation, ensuring reliable operation and preventing damage. However, users should note that it may not be suitable for high-end gaming setups or systems with extensive power requirements. Overall, the T.F.SKYWINDINTL Flex ATX Power Supply provides a solid power solution for a range of computer systems.
Overall Score: 7/10
The 400W Power Supply Flex ATX is a fully modular PSU designed for efficient and low-noise power supply for gaming servers and desktops. It supports the standard Flex ATX form factor and has a voltage range of 90V-264V. With its continuous 400W power output and Japanese main condenser, it ensures unwavering power and reliability. The power supply features a class-leading single +12V rail for better efficiency, wake-from-sleep times, and low-load efficiency. It has a sleek black paint shell with strong heat dissipation and moisture protection. However, some reviewers noted that it doesn't mount in the standard PSU slot and can be a bit noisy. Overall, it is a reliable choice for power needs with a customer rating of 4.2/5.
Key Features
- Fully modular PSU 400W
- Supports the standard Flex ATX form factor
- 400W continuous power output
- Class leading single +12V rail
- Assembled with black paint shell
- Strong heat dissipation and moisture protection
Specifications
- Color: Black
- Dimension: 6.69Lx3.15Wx1.57H
- Size: 170x80x40mm
Pros
- Efficient and low-noise power supply
- Fully modular cabling for easy customization
- Reliable power output and Japanese main condenser
- Sleek and durable design with strong heat dissipation
Cons
- Doesn't mount in the standard PSU slot
- Can be a bit noisy
The 400W Power Supply Flex ATX is a reliable and efficient choice for gaming servers and desktops. With its fully modular cabling and strong heat dissipation, it offers easy customization and enhanced durability. While it may not mount in the standard PSU slot and can be a bit noisy, it provides reliable power output and excellent efficiency. The power supply’s sleek design and moisture protection add to its overall value. However, it is worth considering the power requirements of your system before purchasing. Overall, it is a solid investment for those looking for a quality power supply for their gaming or server setup.
Overall Score: 9/10
The T.F.SKYWINDINTL Flex ATX Power Supply is a fully modular 600W PSU that is suitable for POS AIO systems, desktops, gaming servers, and more. With its compact size and fully modular design, it helps reduce clutter and improve airflow in your system. This power supply supports standard Flex ATX form factor and comes with 100% Japanese capacitors for enhanced reliability and durability. It also features a DC-DC structure, which ensures stable and safe power output. With multiple protections including OVP, UVP, OCP, OPP, SCP, and OTP, your system will be well-protected. This power supply operates on a full voltage range of 100-240V, making it suitable for use in places with unstable voltage. Overall, it is a reliable and efficient power supply for various systems.
Key Features
- Fully modular 600W PSU for reducing clutter and improving airflow
- Supports standard Flex ATX form factor
- Built with 100% Japanese capacitors for enhanced reliability
- DC-DC structure for stable and safe power output
- Multiple protections including OVP, UVP, OCP, OPP, SCP, and OTP
Specifications
- Color: Black
- Dimension: 6.50Lx3.27Wx1.57H
- Size: 165*83*40mm
Pros
- Compact size suitable for SFF builds
- Fully modular design for easy customization
- Great price for a 600W PSU
- Comes with standard cables with good length
- Built with high-quality Japanese capacitors
Cons
- The fan may not be the quietest
The T.F.SKYWINDINTL Flex ATX Power Supply is an excellent choice for those looking for a small yet powerful PSU. Its fully modular design allows for easy customization and improved cable management. The use of high-quality Japanese capacitors ensures reliability and durability. With a compact size suitable for SFF builds, this power supply is a great option for gamers, system builders, and server setups. Although the fan may not be the quietest, it can easily be replaced with a quieter alternative. Overall, this power supply offers great value for its price and delivers stable and safe power output. Highly recommended!
Overall Score: 8.5/10
The FSP Mini ITX Solution/Flex ATX 300W Power Supply is a reliable and powerful option for computer builds. It is certified 80 Plus Gold, ensuring high efficiency and lower energy consumption. The power supply features fully modular cable management and complies with the latest UL 62368 standards. With intelligent fan speed control and 100% Japanese-made electrolytic capacitors, it delivers both performance and reliability. The compact size and black coat finish make it suitable for various PC cases. The power supply includes essential connectors and comes with a power cord. Overall, it offers excellent value for money and provides sufficient power for most applications.
Key Features
- Certified 80 Plus Gold
- Compliant with latest UL 62368 standards
- Black ribbon cable
- Black coat finish
- Intelligent fan speed control with ball bearing fan
- 100% Japanese-made electrolytic capacitors
- Powerful single +12V rail design
- Power cord included
- 20+4 pin, 4+4 pin, Molex & SATA connectors included in 3 cable sets
Specifications
- Dimension: 5.90Lx3.20Wx1.59H
- Size: 300W
Pros
- Certified 80 Plus Gold for high efficiency
- Intelligent fan speed control for quiet operation
- Compact size and black coat finish for versatility
- Includes essential connectors and power cord
- Good value for money
Cons
- Not truly modular with limited sockets
- Fan placement may be obstructed by cables
- Some noise at heavier load
- Lacks dedicated GPU power connector
The FSP Mini ITX Solution/Flex ATX 300W Power Supply is a reliable option for compact builds. With its high efficiency, intelligent fan speed control, and Japanese-made capacitors, it delivers both performance and reliability. While it may not be truly modular and lacks a dedicated GPU power connector, it offers good value for money and provides sufficient power for most applications. The compact size and black coat finish make it suitable for various PC cases. Overall, if you’re looking for a solid power supply with fully modular cable management, the FSP Mini ITX Solution/Flex ATX 300W is worth considering.
Overall Score: 8/10
The Flex ATX Power Supply is a 550W fully modular PSU suitable for POS AIO system desktop gaming servers and small form factor computers. With its white design, it matches perfectly with white chassis. The fully modular design reduces clutter and improves airflow, allowing you to connect only the necessary cables for your system. This power supply supports the standard flex ATX form factor and features a low-noise fan for efficient heat dissipation. It also offers multiple protections and has undergone a 100% high temperature aging test for reliable performance. With its compact size and wide voltage range, it is an ideal choice for systems with unstable voltage.
Key Features
- 550W power capacity
- Fully modular design for easy cable management
- Supports standard flex ATX form factor
- Low-noise 40mm fan for heat dissipation
- Multiple protections for safety
- Wide voltage range (90-264V) for use in unstable environments
Specifications
- Color: White
- Size: 165*82*40mm
Pros
- Fully modular design improves cable management
- Compact size fits in small form factor cases
- Wide voltage range for versatility in different environments
- Low-noise fan ensures quiet operation
Cons
- May not provide sufficient power for high-end gaming systems
- Limited color options available
The Flex ATX Power Supply is a reliable and efficient choice for small form factor systems. Its fully modular design and compact size make it easy to install and manage cables, while the wide voltage range ensures compatibility in various environments. The low-noise fan keeps the system cool without creating excessive noise. However, users with high-end gaming systems may require a power supply with a higher wattage. Overall, the Flex ATX Power Supply offers great value and performance for its price.
Overall Score: 7.4/10
The NAS Case 4-Bay K3 Chassis is a compact and cost-effective network storage enclosure that allows DIY assembly for computer hardware enthusiasts. It supports MINI ITX motherboards and FLEX power supply, maximizing storage capacity for 2.5"/3.5" hard disks. The pre-installed 12cm silent fan ensures efficient heat dissipation. With accessories included and a sleek design, this NAS case is perfect for building a homemade NAS or unraid system. However, it requires some modifications and has a tight fit, especially for the motherboard. The sharp edges and annoying motherboard mounting design can be drawbacks. Overall, it is a decent DIY NAS case with a few minor flaws.
Key Features
- Supports MINI ITX Motherboard
- Supports FLEX power supply
- Pre-installed 12cm silent fan
- DIY assembly for computer hardware enthusiasts
- Compact and cost-effective design
Specifications
- Dimension: 12.00Lx10.00Wx10.00H
Pros
- Supports a variety of hard disks
- Efficient heat dissipation with silent fan
- Cost-effective option for homemade NAS
- Compact and sleek design
Cons
- Requires modifications for installation
- Tight fit for the motherboard
- Sharp edges can cause injuries
- Annoying motherboard mounting design
The NAS Case 4-Bay K3 Chassis is a suitable option for DIY enthusiasts looking to build their own network storage server. It offers compatibility with various hard disks, efficient heat dissipation, and a compact design. However, users should be prepared to make modifications during installation due to the tight fit and deal with some sharp edges. Despite these drawbacks, the NAS case provides a cost-effective solution for creating a homemade NAS or unraid system. If you’re willing to put in the effort for assembly and installation, this case can meet your storage needs.
Overall Score: 7.5/10
The Flex Power Bracket is a handy adapter kit designed for use with Flex power supplies, allowing them to fit into 1U or 2U chassis. Whether you're building a small form factor computer or need to mount a Flex ATX PSU into an ATX or ITX case, this bracket provides a solid solution. With its flexibility, it offers users the ability to make the most of their hardware without compromising on compatibility. While it may not come with specific specifications, the bracket has received positive reviews from customers who appreciate its functionality. However, keep in mind that the bracket's usefulness is dependent on the quality of the PSU it is paired with. Overall, the Flex Power Bracket is a reliable and practical accessory for those looking to optimize their computer setup.
Key Features
- Flex power supply adapter kit
- Allows Flex PSU to fit in 1U/2U chassis
Specifications
Pros
- Enables use of Flex ATX PSU in various cases
- Provides solid and secure mounting
- Enhances compatibility for small form factor builds
Cons
- Compatibility dependent on PSU quality
The Flex Power Bracket is a versatile solution that allows users to optimize their computer setups by utilizing Flex power supplies in a range of chassis types. Its sturdy construction ensures secure mounting, providing peace of mind. While the performance of the bracket may be affected by the PSU it is used with, this accessory offers a cost-effective way to expand the possibilities of your computer build. With positive reviews from customers who appreciate its flexibility and compatibility, the Flex Power Bracket is a valuable addition to any tech enthusiast’s arsenal.
Overall Score: 8/10
The SilverStone Technology FX600 Platinum Cybenetics Platinum 600W Power Supply is a compact and efficient power supply designed for small form factor builds. With a standard Flex ATX form factor, it offers 600W continuous power output and is rated for 24/7 operation. It features a class-leading single +12V rail with a Japanese primary capacitor for reliable performance. The power supply also includes PCIe 8pin and PCIe 6pin connectors to support high-performance graphics cards. Its intelligent built-in fan adjusts its speed based on loading conditions, providing efficient cooling without excessive noise. The power supply has received positive reviews for its quiet operation and overall performance. However, some users have mentioned that the cables are thick and can be challenging to work with. Overall, the SilverStone FX600 Platinum Power Supply is a great choice for small form factor builds that require reliable and efficient power delivery.
Key Features
- Support standard Flex ATX form factor
- 600W continuous power output at 40℃ operating temperature
- Class-leading single +12V rail with Japanese primary capacitor
- PCIe 8pin and PCIe 6pin connectors support
- Intelligent built-in fan adjusts speed based on loading conditions
Specifications
- Dimension: 5.91Lx3.21Wx1.59H
Pros
- Quiet operation, nearly inaudible
- Reliable power delivery for small form factor builds
- Includes PCIe connectors for high-performance graphics cards
Cons
- Thick cables can be challenging to work with
The SilverStone FX600 Platinum Power Supply is a compact and efficient choice for small form factor builds. It offers reliable power delivery, quiet operation, and includes connectors for high-performance graphics cards. Although the thick cables may be a slight inconvenience, it is outweighed by the overall performance and functionality of the power supply. Whether you’re building a compact gaming PC or a compact workstation, the SilverStone FX600 Platinum Power Supply is a reliable and efficient option to consider.
Overall Score: 6.5/10
The Apevia PS-ITX300W Mini-ITX/Flex ATX 300W Power Supply is a compact and versatile power supply designed for small form factor systems. With a maximum power output of 300W and standard Mini-ITX/Flex ATX type, it is suitable for a range of computer setups. The power supply features various connectors for easy compatibility, including 1 x 20+4pin Main Power, 1 x 8pin 12V(P4+4), 2 x SATA, 2 x 4pin Molex, and 1 x 4pin Floppy. It is equipped with a 40mm Double Ball Bearing Fan for efficient cooling. Measuring at 150mm x 81.5mm x 40.5mm, it is compact and space-saving. Although some customers have experienced issues with the power supply failing or overheating, it remains a budget-friendly option with decent performance and compatibility. Overall, the Apevia PS-ITX300W Mini-ITX/Flex ATX Power Supply is a suitable choice for compact computer systems.
Key Features
- Standard Mini-ITX / FLEX ATX type, Maximum Power: 300W
- Connectors: 1 x 20+4pin Main Power, 1 x 8pin 12V(P4+4), 2 x SATA, 2 x 4pin Molex, 1 x 4pin Floppy
- Cooling: Forced Air Ventilation by 1 x 40mm Double Ball Bearing Fan
- Dimension: 150mm x 81.5mm x 40.5mm (5.9" x 3.21" x 1.59") – L x W x H
- Output: +3.3V@12A, +5V@12A, +12V@20A, -12V@0.3A, +5Vsb@2.5A
Specifications
- Dimension: 5.91Lx1.59Wx3.21H
Pros
- Compact size for space-saving
- Various connectors for easy compatibility
- Decent performance for the price
Cons
- Reports of power supply failing or overheating
- Noisy fan under load
The Apevia PS-ITX300W Mini-ITX/Flex ATX Power Supply offers a budget-friendly option for small form factor systems. While it has some drawbacks such as reported failures and a noisy fan, it delivers decent performance for its price. The power supply’s compact size and various connectors make it compatible with a range of setups. However, customers should be aware of the issues faced by some users and consider other options if reliability is a top priority. Overall, the Apevia PS-ITX300W Mini-ITX/Flex ATX Power Supply is a suitable choice for those looking for an affordable power supply for their compact computer systems.
Flex PSU Buyer's Guide
Looking to upgrade your PSU? A Flex PSU might be just what you need! This compact and flexible power supply unit is designed for small form factor systems, providing the necessary energy while taking up minimal space. But before you make a purchase, here's everything you need to know in our comprehensive Flex PSU buyer's guide:
What is a Flex PSU?
A Flex PSU, short for Flexible Power Supply Unit, is a compact PSU designed specifically for small form factor systems. It features a smaller footprint and flexible cabling options, allowing it to fit into tighter spaces. These PSUs are often used in small gaming PCs, home theater PCs, and other compact builds.
Benefits of Using a Flex PSU:
- Space-Saving: Flex PSUs are significantly smaller than traditional power supply units, making them ideal for compact builds.
- Improved Airflow: These PSUs often come with a modular or semi-modular design, allowing for better cable management and improved airflow within the case.
- Lower Power Consumption: Flex PSUs are designed to provide efficient power delivery, resulting in less wasted energy and reduced electricity consumption.
- Easier Cable Routing: With flexible cables and a compact design, cable routing becomes a breeze, ensuring a cleaner and more organized build.
Factors to Consider Before Buying a Flex PSU:
- PSU Form Factor: Ensure that the Flex PSU you choose matches your case's form factor requirements, such as SFX, SFX-L, or TFX.
- Power Requirements: Determine the power requirements of your system, considering the components you intend to use, including the CPU, GPU, and other peripherals.
- Efficiency Rating: Look for a PSU with a high efficiency rating, such as 80 Plus Bronze, Gold, or Platinum, to ensure it operates optimally and saves energy.
- Modularity: Decide whether you prefer a modular or semi-modular PSU, allowing for easier cable management and customization.
- Connectivity: Consider the number and types of connectors available on the Flex PSU, ensuring they meet your component connectivity needs.
- Noise Level: Check reviews and specifications to ensure the Flex PSU operates quietly, as some smaller PSUs may produce more noise due to smaller fans.
Installation Tips:
- Ensure your case is compatible with a Flex PSU and that it has the necessary mounting points.
- Follow the manufacturer's instructions carefully during installation to avoid damaging any components.
- Verify that the Flex PSU cables are connected securely to all components to prevent any power issues.
- Plan your cable routing carefully to maximize airflow and maintain a clean and organized build.
Maintenance and Troubleshooting:
- Regularly clean the PSU and other components using compressed air to remove dust buildup and ensure optimal performance.
- If you encounter power-related issues, check all PSU connections and try a different power outlet to rule out any external factors.
- Monitor the PSU temperatures using software tools or hardware monitors to detect any abnormal heat levels that may require attention.
- If you notice any strange noises coming from the PSU, such as clicking or buzzing sounds, it's advised to contact the manufacturer for further assistance.
Frequently Asked Questions about 10 Amazing Flex Psu For 2023
Flex PSUs come in different form factors, so ensure that your case supports the specific form factor of the Flex PSU you plan to use.
Flex PSUs provide ample power for small form factor builds, but they may have lower wattage capacities compared to larger traditional PSUs.
Yes, Flex PSUs can be used in gaming PCs, especially those with smaller form factors. However, ensure that the Flex PSU can provide enough power for your gaming components.
While modular cables can simplify cable management, they are not essential. Semi-modular or fixed cable options are also available with Flex PSUs.
Smaller PSUs may have smaller fans, which can generate more noise. However, many Flex PSUs employ smart fan control to minimize noise levels.
