When it comes to choosing the right RAM for your Dell Inspiron laptop, the options can be overwhelming. However, with the ever-evolving technology landscape, it's crucial to stay up-to-date with the latest advancements. In 2023, Dell has introduced 12 amazing RAM options for the Inspiron series that promise exceptional speed, performance, and multitasking capabilities. These RAM modules not only enhance the overall responsiveness of your laptop but also ensure smoother multitasking and seamless execution of resource-intensive applications. In this article, we will delve into the 12 amazing Dell Inspiron RAM for 2023 and explore their unique features and benefits.
Overall Score: 8/10
Upgrade your Dell laptop's memory with the Dell 8GB DDR3L-1600 PC3L-12800 204Pin Sodimm Low Voltage RAM Memory Upgrade. This memory upgrade helps improve your system's performance by increasing RAM capacity. The 8GB DDR3L-1600 RAM module is compatible with various Dell laptop models. The installation process is simple and hassle-free. The RAM is recognized without any issues and provides a boost to your laptop's speed and multitasking capabilities. This Dell memory upgrade is a high-quality and cost-effective solution for enhancing your Dell laptop's performance.
Key Features
- Dell 8GB DDR3L 1600MHz
- PC3L-12800 204-Pin Sodimm
- 1.35 Volt Non-ECC 2Rx8
- P/N SNPN2M64C/8G A7022339
Specifications
- Color: Multicolor
- Dimension: 3.75Lx2.00Wx0.25H
- Size: 8 Gb
Pros
- Easy installation
- Compatible with Dell laptops
- Improves system performance
- Fairly priced
- Recognized without issues
Cons
- No noticeable improvement in computer function
- Delivery was a bit late
The Dell Low Voltage RAM Memory Upgrade is a reliable and efficient solution for upgrading the memory of your Dell laptop. With easy installation, compatibility, and improved performance, this memory upgrade is worth the investment. Although there might not be a noticeable difference in computer function for some users, the overall benefits outweigh any drawbacks. Plus, the affordable price makes it an attractive choice. If you’re looking to enhance your Dell laptop’s speed and multitasking capabilities, the Dell Low Voltage RAM Memory Upgrade is a solid option to consider.
Overall Score: 9/10
Upgrade your Dell Inspiron 15 (3521) laptop with this 16GB RAM memory kit. It features a 204 Pin SODIMM design, DDR3-12800 and DDR3-1600MHz performance, and is backed by a life-time warranty. With easy installation and improved performance, this RAM kit is a great investment to enhance your laptop's speed and multitasking capabilities. Simply open the back, mount the new memory, and enjoy faster boot times and smooth operation. The added capacity will allow you to run demanding programs without slowdowns, making it ideal for video editing and other resource-intensive tasks. With a satisfied customer rating of 4.5/5, this RAM kit is a reliable and affordable solution to boost your laptop's performance.
Key Features
- 204 Pin SODIMM Laptop Memory
- DDR3-12800
- DDR3-1600MHz
- 2Pcs Kit
- Life-time Warranty
Specifications
- Color: Multicolor
- Size: 16 Gb
Pros
- Easy and fast installation
- Improved performance and speed
- Ideal for video editing and multitasking
- Backed by a life-time warranty
Cons
- Requires taking apart the laptop for installation
Upgrade your Dell Inspiron 15 (3521) laptop with this 16GB RAM memory kit to enjoy faster boot times, smoother operation, and improved multitasking capabilities. With easy installation and excellent performance, this kit is backed by a life-time warranty for added peace of mind. Increase your laptop’s capacity and run demanding programs without slowdowns, making it an ideal choice for video editing and resource-intensive tasks. The positive customer reviews and a rating of 4.5/5 indicate a reliable and affordable solution to enhance your laptop’s performance. Take advantage of this great deal and boost your productivity today!
Overall Score: 0/10
Upgrade your Dell Inspiron 15 laptop with the OWC 16GB DDR4 2400MHz PC4-19200 CL17 1.2V 260-Pin SO-DIMM Memory RAM. With this memory upgrade, you can enhance your PC's performance easily and effectively. Designed and tested to meet or exceed all manufacturer OEM specifications, this memory is 100% compliant with JEDEC Standard Specifications and is ROHS compliant. The OWC memory also comes with a warranty safe upgrade and a limited lifetime warranty, providing peace of mind. The easy installation process makes it a simple DIY project for most users. With OWC's advanced replacement program and free tech support, you'll be well-supported in case of any issues.
Key Features
- OWC 16GB DDR4 2400MHz PC4-19200 CL17 1.2V 260-pin SODIMM compatible with Dell Inspiron 15 models 3515, 3583, 3584, 3585 and 5570
- 100% COMPLIANT: With JEDEC Standard Specifications, ROHS Compliant, Warranty Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs
- INCREASED PERFORMANCE: Memory Upgrades are the Most Effective and Easy Way to Boost your PC's Performance
- INDUSTRY LEADING: Consumer Friendly Advanced Replacement Program and Limited Lifetime Warranty, which Includes Free Tech Support by Other World Computing
- EASY INSTALLATION: In Most Cases Installing Memory is an Easy DIY project. Watch our OWC Basic Installation Video for help.
Specifications
- Size: 16GB
Pros
Cons
Overall Score: 9/10
Upgrade the performance of your Dell Inspiron desktop with the OWC 16GB DDR4 3200MHz PC4-25600 CL22 1.2V 288pin Desktop DIMM Memory RAM. This memory module is 100% compliant with JEDEC Standard Specifications and provides a safe upgrade for your system. It is designed and tested to meet or exceed all manufacturer OEM specifications, ensuring optimal performance. With easy installation, this memory upgrade is the most effective way to boost your PC's performance. Enjoy industry-leading consumer-friendly support with the advanced replacement program and limited lifetime warranty, which includes free tech support from Other World Computing. Enhance your Dell Inspiron's capabilities with this reliable memory upgrade.
Key Features
- 16GB DDR4 3200MHz PC4-25600 CL22 1.2V 288pin Desktop DIMM
- Compatible with Dell Inspiron models 3020, 3020S, 3880, 3891, and 3910
- 100% COMPLIANT with JEDEC Standard Specifications
- ROHS Compliant, Warranty Safe Upgrade
- Easy installation for increased performance
Specifications
- Size: 16GB
Pros
- Boosts PC's performance effectively
- Compliant with industry standards
- Advanced replacement program and limited lifetime warranty
- Free tech support by Other World Computing
Cons
The OWC 16GB DDR4 3200MHz PC4-25600 CL22 1.2V 288pin Desktop DIMM Memory RAM is a reliable and high-performing upgrade for your Dell Inspiron desktop. With easy installation and compliancy with industry standards, it provides a safe and effective way to boost your PC’s performance. Additionally, the advanced replacement program and limited lifetime warranty ensure consumer satisfaction and peace of mind. Benefit from free tech support by Other World Computing, further enhancing the user experience. Transform your Dell Inspiron system into a powerhouse with this dependable memory upgrade.
Overall Score: 8.5/10
Upgrade your Dell Inspiron desktop computer with the A-Tech 8GB RAM module. With a capacity of 8GB and a speed of 1600MHz, this DDR3L DIMM module offers improved performance and reliability. It is designed specifically for Dell Inspiron models and is compatible with Intel 6th Gen Core processors, AMD processors, and more. A-Tech ensures quality with stringent testing and offers a lifetime warranty and US-based tech support. Increase your computer's speed and enjoy better performance with this easy-to-install RAM module.
Key Features
- Capacity: 8GB (1x 8GB Module)
- Type: DDR3L (DDR3 Low Voltage) DIMM 240-Pin
- Speed: 1600MHz PC3L-12800
- Rank: 2Rx8 (Dual Rank x8)
- ECC Type: Non-ECC Unbuffered (UDIMM)
- Voltage: 1.35V
- Designed for Dell Inspiron 3250, 3650, 3655, 3656
- Compatible with Intel 6th Gen Core processors, AMD processors
- Stringent quality assurance testing
- Lifetime warranty and US-based tech support
Specifications
- Color: (8GB x 1)
- Size: 8GB x 1 | (8GB Module)
Pros
- Easy to install
- Improved computer speed
- High performance and reliability
- Lifetime warranty and tech support
Cons
- Misleading packaging and pricing
- Higher price compared to other options
The A-Tech 8GB RAM module is a great upgrade option for Dell Inspiron desktop computers. It offers improved performance, easy installation, and a lifetime warranty. However, the packaging and pricing may be misleading, and there are cheaper alternatives available. Overall, this RAM module delivers on its promise of enhancing computer speed and is a reliable choice for users looking to boost their Dell Inspiron’s performance.
Overall Score: 8/10
Upgrade the memory of your Dell Inspiron laptop with the OWC 16GB DDR4 3200MHz PC4-25600 CL22 1.2V 260pin Laptop SODIMM Memory RAM. This memory module is 100% compliant with JEDEC Standard Specifications, ensuring a safe and compatible upgrade. With a capacity of 16GB, it offers increased performance and boosts your PC's speed effortlessly. The memory module is designed and tested to meet or exceed all manufacturer OEM specs, providing you with industry-leading performance. It comes with a consumer-friendly advanced replacement program and a limited lifetime warranty, along with free tech support from Other World Computing. Replace your old Dell memory with this reliable and efficient OWC memory module for enhanced performance.
Key Features
- 16GB DDR4 3200MHz PC4-25600 CL22 1.2V 260pin Laptop SODIMM
- Compatible with Dell Inspiron 14 models 5401, 5402, 5406, 5408, and 5409
- 100% compliant with JEDEC Standard Specifications, ROHS Compliant
- Warranty Safe Upgrade, designed and tested to meet/exceed OEM specs
- Increased performance – the most effective and easy way to boost your PC's performance
- Industry leading replacement program and limited lifetime warranty
- Includes free tech support by Other World Computing
Specifications
- Size: 16GB
Pros
Cons
Upgrade your Dell Inspiron laptop with the reliable and efficient OWC 16GB DDR4 3200MHz memory module. With its industry-leading performance and easy installation, it provides a significant boost to your PC’s speed and performance. The memory module is compliant with JEDEC Standard Specifications and comes with a warranty safe upgrade, ensuring a hassle-free and compatible experience. Additionally, the advanced replacement program and limited lifetime warranty offer peace of mind. Whether you’re a tech enthusiast or a casual user, this OWC memory module is a worthwhile investment for enhancing your Dell Inspiron laptop’s capabilities.
Overall Score: 8.2/10
Upgrade your Dell Inspiron or OptiPlex desktop with the CMS 32GB (2x16GB) DDR4 21300 2666MHZ Non ECC DIMM Memory Ram. This memory kit guarantees compatibility with the mentioned models and offers superb performance. With a memory type of Non ECC DIMM and a speed of DDR4-21300, 2666 MHz, it provides fast and efficient data transfer. The 2-piece kit ensures you have enough memory for multitasking and heavy workloads. The product appearance may vary, and it comes with a limited lifetime warranty when purchased directly from Computer Memory Solutions. However, it is important to check if your PC can accept the upgrade without having to replace the memory slots.
Key Features
- Guaranteed compatibility with specified models
- Memory Type: Non ECC DIMM, 288-Pin
- Speed: DDR4-21300, 2666 MHz
- 2 Piece Kit
- Limited lifetime warranty
Specifications
- Dimension: 5.25Lx0.15Wx1.24H
- Size: 32 Gb
Pros
Cons
The CMS 32GB DDR4 Memory Ram Upgrade is a reliable and high-performance upgrade option for compatible Dell desktops. With its guaranteed compatibility and excellent speed, it ensures smooth multitasking and efficient data transfer. However, it is essential to verify if your PC can accommodate the upgrade without the need for slot replacements. Overall, this memory kit is a worthy investment for enhancing the performance of your Dell Inspiron or OptiPlex desktop.
Overall Score: 8.5/10
Upgrade your Dell Inspiron desktop computer with the A-Tech 16GB RAM for improved performance and multitasking capabilities. This DDR4 2400MHz DIMM PC4-19200 UDIMM module is compatible with several Dell Inspiron models, including the 3268, 3668, 5675, and 5676. It supports a variety of Intel and AMD Processors, ensuring compatibility with different configurations. The A-Tech RAM undergoes rigorous quality assurance testing to guarantee high performance and reliability. With a lifetime warranty and US-based tech support, A-Tech ensures customer satisfaction throughout the entire purchase journey. Enhance your Dell Inspiron's speed and efficiency with the A-Tech 16GB RAM upgrade.
Key Features
- Capacity: 16GB (1x 16GB Module)
- Type: DDR4 DIMM 288-Pin
- Speed: 2400MHz PC4-19200
- Rank: 2Rx8 (Dual Rank x8)
- ECC Type: Non-ECC Unbuffered (UDIMM)
- Voltage: 1.2V
- Designed for Dell Inspiron 3268, 3668, 5675, 5676 Desktop Computer Models
- Compatible with Intel 6th Gen Core i3/i5/i7, Intel Pentium, Intel Celeron, AMD Ryzen 3/5/7, AMD A10-9700, or AMD A12-9800 Processors
- Lifetime Warranty with US-based Tech Support
Specifications
- Color: (16GB x 1) | 16GB Stick
- Dimension: 5.25Lx1.23Wx0.15H
- Size: 16GB x 1 | (16GB Module)
Pros
- Easy installation and compatibility with Dell Inspiron models
- High performance and improved multitasking capabilities
- Rigorous quality assurance testing for reliability
- Lifetime warranty and US-based tech support
Cons
The A-Tech 16GB RAM upgrade is a reliable and efficient option to enhance the performance of your Dell Inspiron desktop computer. With its compatibility and high-quality construction, this RAM module offers improved multitasking capabilities and faster data processing. The lifetime warranty and US-based tech support provide reassurance and assistance throughout the entire purchase journey. Whether you’re a professional or a casual user, the A-Tech 16GB RAM for Dell Inspiron is a worthy investment to boost your computer’s speed and efficiency.
Overall Score: 7.5/10
The CMS 32GB DDR4 2400MHZ Non ECC SODIMM Memory Ram Upgrade is a high-quality memory upgrade compatible with Dell® Inspiron 15 5570, 5575, 5576, 5577 laptops. It guarantees compatibility with the mentioned models, ensuring a seamless integration. With a memory type of Non-ECC SODIMM and a speed of DDR4-19200, 2400 MHz, this memory upgrade provides a significant boost to your computer's performance. The 2-piece kit offers a total memory size of 32GB, allowing you to handle memory-intensive tasks and applications with ease. The product comes with a limited lifetime warranty when purchased directly from Computer Memory Solutions. Overall, it is a reliable and affordable option for upgrading your laptop's memory.
Key Features
- Guaranteed compatibility with specified Dell Inspiron laptop models
- Memory Type: Non-ECC SODIMM, 260-Pin
- Speed: DDR4-19200, 2400 MHz
- 2 Piece Kit
- Limited lifetime warranty when bought directly from Computer Memory Solutions
Specifications
- Dimension: 2.74Lx0.15Wx1.20H
- Size: 32 Gb
Pros
- Guaranteed compatibility with specified laptop models
- Significantly improves computer performance
- Affordable option with a limited lifetime warranty
Cons
- One-star rating due to laptop crashes caused by the RAM
The CMS 32GB DDR4 2400MHZ Non ECC SODIMM Memory Ram Upgrade is a reliable choice for upgrading your Dell Inspiron laptop’s memory. It offers guaranteed compatibility with specified models, ensuring a hassle-free installation. This memory upgrade significantly improves your computer’s performance, allowing you to handle memory-intensive tasks and applications efficiently. With an affordable price point and a limited lifetime warranty, it offers peace of mind. However, in some cases, it has been reported to cause laptop crashes, as indicated by a one-star rating. If you are considering this product, it is recommended to carefully assess compatibility and consider customer reviews before making a purchase.
Overall Score: 9/10
Upgrade your Dell Inspiron desktop with the A-Tech 16GB RAM. This DDR4 2666MHz DIMM memory module is designed specifically for Dell Inspiron 3470, 3471, 3670, 3671, and 5680 computer models. With a capacity of 16GB, it ensures a smooth and high-performance computing experience. The A-Tech RAM undergoes rigorous quality assurance testing and comes with a lifetime warranty and US-based tech support. It is compatible with various Intel Core processors and offers easy installation. Boost the speed and performance of your Dell Inspiron with this reliable memory upgrade.
Key Features
- Capacity: 16GB (1x 16GB Module)
- Speed: 2666MHz PC4-21300
- ECC Type: Non-ECC Unbuffered
- Compatible with multiple Dell Inspiron desktop models
Specifications
- Color: (16GB x 1)
- Dimension: 6.70Lx2.30Wx0.40H
- Size: 16GB x 1 | (16GB Module)
Pros
- Easy installation
- Lifetime warranty
- High performance and reliability
Cons
- May not work well with other memory modules
The A-Tech 16GB RAM is a fantastic upgrade option for Dell Inspiron desktop users. With its high performance, easy installation, and lifetime warranty, this RAM module offers great value for money. The memory upgrade significantly boosts system speed and overall performance. However, it’s worth noting that compatibility with other memory modules may vary. If you’re looking to enhance the capabilities of your Dell Inspiron 3470, 3471, 3670, 3671, or 5680, the A-Tech 16GB RAM is a reliable choice that won’t disappoint.
Overall Score: 9/10
Upgrade your Dell Inspiron 15 laptop with the OWC 16GB DDR4 3200MHz PC4-25600 CL22 1.2V 260pin Laptop SODIMM Memory RAM. This memory module offers increased performance and is designed and tested to meet or exceed all manufacturer OEM specs. With a capacity of 16GB, it provides ample space for multitasking and running memory-intensive applications. The OWC memory is 100% compliant with JEDEC Standard Specifications and is ROHS compliant, ensuring a safe and reliable upgrade. It comes with a limited lifetime warranty and a consumer-friendly advanced replacement program. Additionally, free tech support by Other World Computing is included. Compatible with various Dell Inspiron 15 models, this memory upgrade is the easiest and most effective way to boost your laptop's performance.
Key Features
- OWC 16GB DDR4 3200MHz PC4-25600 CL22 1.2V 260pin Laptop SODIMM compatible with Dell Inspiron 15 models 5508, 5509, 5510, 5515 and 5518
- 100% COMPLIANT: With JEDEC Standard Specifications, ROHS Compliant, Warranty Safe Upgrade
- INCREASED PERFORMANCE: Memory Upgrades are the Most Effective and Easy Way to Boost your PC's Performance
- INDUSTRY LEADING: Consumer Friendly Advanced Replacement Program and Limited Lifetime Warranty, which Includes Free Tech Support by Other World Computing
- Replacement for Dell Part Number AA937596 AA960023 AB174974 SNP1CXP8C/16G SNPWTHG4C/16G
Specifications
- Size: 16GB
Pros
- Compatible with a range of Dell Inspiron models
- Increases PC performance
- Compliant with industry standards
- Comes with warranty and free tech support
Cons
The OWC 16GB DDR4 3200MHz PC4-25600 CL22 1.2V 260pin Laptop SODIMM Memory RAM is a highly compatible and reliable upgrade for Dell Inspiron 15 laptops. With its industry-leading compliance, increased performance, and warranty coverage, this memory module offers a great value for users who want to enhance their laptop’s performance. The lifetime warranty and advanced replacement program provide peace of mind, while the free tech support ensures assistance whenever needed. Whether you need to multitask efficiently or run memory-intensive applications smoothly, this memory upgrade is the perfect solution. Overall, the OWC 16GB DDR4 3200MHz SODIMM Memory RAM is a worthwhile investment for Dell Inspiron 15 users looking to optimize their laptop’s performance.
Overall Score: 9/10
Upgrade your Dell Inspiron laptop or all-in-one with the A-Tech 8GB RAM. This DDR4 2133MHz SODIMM non-ECC memory module is designed to improve your system's performance by expanding its memory capacity. With a single 8GB module and a DDR4 SO-DIMM form factor, this RAM is compatible with Dell Inspiron models 5368, 5567, 7368, 7560, and 7778. The module operates at a voltage of 1.2V, meeting the JEDEC DDR4 standard. Installing the RAM is quick and easy, with no expertise required. A-Tech ensures reliable performance with its stringent quality control testing and offers a limited lifetime warranty. Upgrade your Dell Inspiron with this A-Tech RAM for a faster and smoother computing experience.
Key Features
- Laptop/All-in-One Memory RAM compatible for Dell Inspiron models
- Single 8 GB Module | DDR4 2133 MHz (PC4-17000 / PC4-2133)
- Non-ECC Unbuffered | 1.2V – DDR4 Standard Voltage
- Improves performance by expanding system's memory capacity
- Quick and easy installation
- Undergoes stringent quality control testing
- Backed by A-Tech's Limited Lifetime Warranty
Specifications
- Color: Multicolor
- Dimension: 2.74Lx1.18Wx0.15H
- Size: 8 GB
Pros
- Compatible with multiple Dell Inspiron models
- Improves system performance and speed
- Easy installation process
- Dependable and reliable performance
Cons
The A-Tech 8GB RAM is a great upgrade option for Dell Inspiron users looking to boost their system’s performance. With its compatibility with various Inspiron models and ease of installation, this RAM module allows users to expand their memory capacity. The DDR4 2133MHz speed ensures a fast and smooth computing experience. A-Tech’s strict quality control testing guarantees dependable performance, backed by a limited lifetime warranty. Whether you’re using your Inspiron for work, multimedia, or gaming, this RAM upgrade will enhance your overall experience. Upgrade your Dell Inspiron today and enjoy improved performance with the A-Tech 8GB RAM.
Buyer's Guide: Dell Inspiron RAM
Thinking of upgrading the RAM on your Dell Inspiron? Excellent decision! More RAM can significantly enhance your system's performance, making multitasking smoother and allowing for seamless usage of memory-intensive applications. To help you in this process, we have created a comprehensive buyer's guide for Dell Inspiron RAM upgrades. Read on to discover everything you need to know!
Why Upgrade Your Dell Inspiron RAM?
- Boost system performance and responsiveness.
- Ensure smooth multitasking, even while running memory-heavy applications.
- Improve overall user experience by reducing lag and delays.
- Enhance the speed and productivity of your computer.
- Future-proof your Inspiron for upcoming software updates and demanding tasks.
Choosing the Right RAM
When selecting RAM for your Dell Inspiron, keep the following factors in mind:
1. Compatibility
- Ensure compatibility with your specific Dell Inspiron model.
- Check the maximum supported RAM capacity of your device.
- Verify the type of RAM supported (DDR3, DDR4, etc.).
- Confirm the maximum speed your motherboard can handle.
2. Capacity
- Assess your computing needs to determine the required RAM capacity.
- Consider the type of tasks you perform regularly, such as web browsing, gaming, video editing, or graphic design.
- Choose a capacity that meets your requirements without excessive overspending.
3. Speed
- RAM speed impacts how quickly your computer can access and process data.
- Higher speeds generally result in better overall performance.
- However, keep in mind that your motherboard must support the chosen speed.
4. Brand Reputation
- Opt for renowned and reliable RAM brands like Corsair, Crucial, Kingston, or G.Skill.
- Trusted brands usually offer better warranty coverage and customer support.
- Research user reviews and ratings to get an idea of the performance and reliability levels.
5. Budget
- Set a realistic budget for your RAM upgrade.
- Compare prices across different retailers to find the best deal.
- Keep an eye out for discounts or promotions to maximize your savings.
Installation and Setup
Whether you choose to install the RAM yourself or prefer to have a professional handle it, here are a few general instructions to guide you through the process:
- Gather Your Tools
- Screwdriver (if necessary)
- Anti-static wristband (recommended)
- User manual of your Dell Inspiron for guidance
- Power Down and Unplug
- Shut down your Dell Inspiron completely.
- Unplug the power cord and any peripheral devices.
- Prevent Static Discharge
- Ground yourself by touching a metal surface or using an anti-static wristband.
- Locate and Access the RAM Slots
- Consult your Dell Inspiron manual to locate the RAM slots.
- Some models may require the removal of screws or a back panel.
- Insert the New RAM
- Loosen the retaining clips on each side of the existing RAM module(s).
- Align the notches on the new RAM module with the slot and insert it at a slight angle.
- Press the module downward until the clips secure it in place.
- Double-Check and Reassemble
- Ensure all modules are properly seated and secured.
- Reattach any removed screws or panels.
- Plug in the power cord and any disconnected peripherals.
Congratulations! You have successfully upgraded your Dell Inspiron's RAM and are ready to experience improved performance.
Frequently Asked Questions about 12 Amazing Dell Inspiron RAM For 2023
Upgrading your Dell Inspiron’s RAM can be done by anyone, with or without technical experience. Just follow our installation guide or consider consulting a professional if you prefer assistance.
Exceeding the maximum supported RAM capacity may result in system instability or failure to boot. Always check your device’s specifications and adhere to the recommended limits.
While mixing different RAM capacities or speeds is technically possible, it is not recommended. It can lead to compatibility issues or the system automatically lowering the overall speed to match the slowest module.
It is not necessary to remove the existing RAM modules unless you are replacing them entirely. If there are empty slots available, you can simply add new modules alongside the existing ones.
It is crucial to power off your Dell Inspiron completely and unplug it before attempting any hardware upgrades, including RAM. Failing to do so may result in damage to your system components.