Best DDR2-SDRAM Memory of 2026

Mike Davis Avatar
Mike Davis
Last Updated: Jan 9, 2025

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DDR2-SDRAM memory is a type of computer memory that is widely used in modern computer systems. This type of memory is designed to provide faster data transfer rates and improved performance compared to its predecessor, DDR memory. DDR2-SDRAM memory is available in various capacities ranging from 512MB to 8GB and operates at speeds ranging from 400MHz to 1066MHz. This memory type is compatible with a wide range of computer systems, including desktops, laptops, and servers, making it a versatile choice for anyone looking to upgrade their system's memory. With its improved performance and compatibility, DDR2-SDRAM memory is a popular choice for gamers, professionals, and casual computer users alike.

At a Glance: Our Top Picks

Dell 2GB DDR2 SDRAM Memory Module Cover #TOP 1
Dell 2GB DDR2 SDRAM Memory Module
ftb score rating icon 9.9
Kingston 2GB DDR2 Memory Cover #TOP 2
Kingston 2GB DDR2 Memory
ftb score rating icon 9.8
Kingston 4 GB DDR2 SDRAM Memory Modules Cover #TOP 3
Kingston 4 GB DDR2 SDRAM Memory Modules
ftb score rating icon 9.6

Top 10 DDR2-SDRAM Memory

#TOP 1

Dell 2GB DDR2 SDRAM Memory Module

SNPYG410C/2G
Multicolor
2 Gb
Dell 2GB DDR2 SDRAM Memory Module Cover
Dell Certified Memory 2 GB DDR2 SDRAM Memory Module 2 GB 800MHz DDR2800/PC26400 DDR2 SDRAM 240pin DIMM (SNPYG410C/2G)

The Dell Certified Memory 2 GB DDR2 SDRAM Memory Module is perfect for upgrading your desktop's memory. With 2GB of memory, 240-Pins DIMM, and non-ECC/non-Register, you can trust that it will boost your computer's performance. It comes with a lifetime warranty, so you can have peace of mind.

What We Like
Easy to install
Improves computer performance
Lifetime warranty
#TOP 2

Kingston 2GB DDR2 Memory

KTD-DM8400B/2G
2 Gb
Kingston 2GB DDR2 Memory Cover
Kingston Technology 2 GB DIMM Memory 2 667 MHz (PC2 5300) 240-Pin DDR2 SDRAM Single (Not a kit) KTD-DM8400B/2G

Kingston 2GB DDR2 Memory is a single 667MHz module designed for Dell computers. It replaces various Dell memory modules and is tested to meet specific system requirements. This memory module is from a leading PC memory manufacturer, ensuring quality and compatibility. With 240-pin DIMM type, it offers easy installation and reliable performance for your computer tasks.

What We Like
667MHz Speed
Brand Compatibility
Industry-Leading Quality
#TOP 3

Kingston 4 GB DDR2 SDRAM Memory Modules

KTA-MB667K2/4G
4 Gb
Kingston 4 GB DDR2 SDRAM Memory Modules Cover
Kingston 4 GB DDR2 SDRAM Memory Modules 4 GB (2 x 2 GB) 667MHz DDR2667/PC25400 DDR2 SDRAM 200pin KTA-MB667K2/4G

This memory module comes with a 4GB capacity with a 667MHz DDR2-667/PC2-5300 speed. The non-ECC and unbuffered module has a 200-pin SODIMM form factor and is compliant with China RoHS, RoHS, and WEEE standards. It is ideal for upgrading the performance of your laptop.

What We Like
Large 4GB capacity provides good performance upgrade for your laptop
667MHz speed allows for smooth multitasking
Non-ECC and unbuffered design makes installation easy
#TOP 4

Kingston 2GB DDR2 Memory Module

KTH-XW4400E6/2G
2 Gb
Kingston 2GB DDR2 Memory Module Cover
Kingston 2 GB DDR2 SDRAM Memory Module 2 GB (1 x 2 GB) 800MHz DDR2800/PC26400 ECC DDR2 SDRAM 240pin DIMM KTH-XW4400E6/2G

The Kingston 2GB DDR2 is a reliable memory module designed to enhance your computer's performance. With its 800MHz speed, this module allows for quicker data processing, making multitasking smoother and more efficient. The ECC technology helps prevent data corruption, ensuring that your files remain intact and secure. Additionally, the 240-pin DIMM layout makes installation straightforward, so you can easily upgrade your system without hassle. This memory module is ideal for users looking to improve their computer's speed and reliability without breaking the bank.

What We Like
Enhanced multitasking capabilities
Data integrity protection
Easy installation
Cost-effective upgrade
#TOP 5

Kingston 2GB DDR2 Memory Module

KTH-ZD8000C6/2G
2 Gb
Kingston 2GB DDR2 Memory Module Cover
Kingston 2 GB DDR2 SDRAM Memory Module 2 GB (1 x 2 GB) 800MHz DDR2800/PC26400 DDR2 SDRAM 200pin SoDIMM KTH-ZD8000C6/2G

The Kingston 2GB DDR2 is a reliable memory module designed to enhance your computer's performance. With a capacity of 2GB, it provides enough memory for smooth multitasking and efficient operation of software applications. Operating at a speed of 800MHz, this module ensures quick data transfer, allowing you to enjoy faster load times and a better overall computing experience. Its 200-pin SoDIMM format makes it compatible with various laptops and compact systems, offering easy installation. This memory module is a great choice for users looking to upgrade or replace their existing RAM for improved performance.

What We Like
Increased multitasking capability
Faster data transfer speeds
Easy installation
Compatible with many devices
#TOP 6

Lenovo 40Y7734 1GB DDR2 Memory

40Y7734
1 Gb
Lenovo 40Y7734 1GB DDR2 Memory Cover
Lenovo 40Y7734 1GB PC2-5300 667MHz DDR2 SDRAM SODIMM Memory

The Lenovo 1GB DDR2 Memory is designed for a variety of ThinkPad models, making it a versatile choice for users looking to upgrade their system. With a capacity of 1 GB, this memory module provides a boost in performance, allowing you to run applications more smoothly. Its SODIMM form factor is compact, perfect for laptops, ensuring easy installation. Operating at a speed of 667 MHz, it enhances data transfer rates, which can improve overall system responsiveness. This memory module features 200 pins, ensuring compatibility with many older ThinkPad systems, giving you the flexibility to enhance your device’s capabilities.

What We Like
Compatible with many ThinkPad models
1 GB capacity for better performance
SODIMM form factor for laptops
667 MHz speed for improved responsiveness
#TOP 7

HP DDR2 SDRAM Memory

HP
EBE10RD4ABFA-4A-E
1 Gb
HP DDR2 SDRAM Memory Cover
HP 1GB PC2-3200R-333 DDR2 SDRAM Memory 345113-051

HP Memory is a DDR2 SDRAM module manufactured by Elpida. It comes with a 90-day warranty, ensuring reliability. This memory is perfect for upgrading your PC's performance, allowing for smoother multitasking and faster data processing. The Elpida manufacturer guarantees quality, giving you peace of mind. With HP Memory, you can enhance your computer's speed and efficiency effortlessly.

What We Like
Reliable Warranty
Enhanced Performance
Quality Manufacturer
#TOP 8

Kingston 2GB DDR2 SDRAM Memory Module

KTH-XW4400C6/2G
2 Gb
Kingston 2GB DDR2 SDRAM Memory Module Cover
Kingston 2 GB DDR2 SDRAM Memory Module 2 GB (1 x 2 GB) 800MHz DDR2800/PC26400 DDR2 SDRAM 240pin DIMM KTH-XW4400C6/2G

This memory module has a capacity of 2GB with a speed of 800MHz. It is made with DDR2 SDRAM and has a 240-pin DIMM. The product is RoHS, China RoHS, and WEEE compliant.

What We Like
Large 2GB capacity
Fast 800MHz speed
RoHS, China RoHS, and WEEE compliant
#TOP 9

Patriot Signature 2GB DDR2 SODIMM

PSD22G6672S#
2 Gb
Patriot Signature 2GB DDR2 SODIMM Cover
Patriot Signature PSD22G6672S DDR2 2GB CL5 PC2-5300 (667MHz) SODIMM - 667MHz DDR2-667/PC2-5300 - Non-ECC - DDR2 SDRAM - 200-pin SoDIMM (Patriot Memory PSD22G6672S)

The Patriot 2GB DDR2 Memory module is designed to enhance your computer's performance. With a speed of 667MHz, it ensures smooth multitasking and efficient operation, making it perfect for everyday tasks. This non-ECC memory is ideal for users who need reliable performance without the complexities of error correction. The 200-pin SoDIMM form factor makes it easy to install in compatible laptops, providing a convenient upgrade option for improved speed and responsiveness. Whether you're browsing the web or working on documents, this memory module can help boost your system's overall capability.

What We Like
Reliable performance
Easy installation
Improved multitasking
Cost-effective upgrade
#TOP 10

Kingston 8 GB DDR2 SDRAM Memory Module

KTM2759K2/8G
8 Gb
Kingston 8 GB DDR2 SDRAM Memory Module Cover
Kingston 8 GB DDR2 SDRAM Memory Module 8 GB (2 x 4 GB) 667MHz ECC Chipkill DDR2 SDRAM 240pin KTM2759K2/8G

This memory module offers True Enhanced Performance with the latest technical development. Designed for servers, it is ECC Registered, ensuring data integrity and reducing errors. The module includes 2 x 4 GB memory chips, and operates at 667MHz with Chipkill DDR2 SDRAM 240pin technology.

What We Like
Provides True Enhanced Performance
ECC Registered for servers
Reduces errors and ensures data integrity
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is DDR2 SDRAM used for?

DDR2 SDRAM is a type of memory module used in information technology for high-speed storage of working data. It is the second generation of Double Data Rate memory technology.

2. What is the capacity of DDR2 SDRAM?

The maximum capacity of commercially available DDR2 DIMMs is 8GB, although chipset support and availability for these DIMMs is limited. More commonly, 2GB per DIMM is used.

3. Is DDR2 RAM any good?

DDR2 RAM offers enhanced performance compared to its predecessor, DDR. It has faster transfer rates due to an enhanced input/output bus signal and a 4-bit prefetch, which is twice that of DDR. DDR2 RAM can achieve data rates of 533 to 800MT/s.

4. Can DDR2 have 8GB?

Yes, DDR2 RAM can support a maximum capacity of 8GB. However, chipset support and availability for these DIMMs are limited, so more commonly, 2GB per DIMM is used.

5. Does DDR2 have 4GB?

Yes, DDR2 RAM can have a capacity of 4GB. Certain manufacturers offer 4GB modules designed to run at specific speeds and latency timings.

6. Can DDR2 RAM be upgraded?

No, DDR2 RAM cannot be upgraded to DDR3 or any other type of memory. Motherboards are designed to work with specific memory types, and DDR2 and DDR3 are not compatible with each other. Attempting to install incompatible RAM may result in physical incompatibility and system instability.

7. Is DDR2 outdated?

Yes, DDR2 technology is considered outdated. It was introduced in 2003, and DDR3, its successor, was introduced in 2008. However, DDR2 can still be found in some older systems or specific use cases where DDR3 or newer memory technologies are not compatible or necessary.

Editor's Notes

During our ddr2-sdram memory research, we found 24 ddr2-sdram memory products and shortlisted 10 quality products. We collected and analyzed 5,993 customer reviews through our big data system to write the ddr2-sdram memory list. We found that most customers choose ddr2-sdram memory with an average price of $15.49.

The ddr2-sdram memory are available for purchase. We have researched hundreds of brands and picked the top brands of ddr2-sdram memory, including Dell, Kingston, Lenovo, HP, Patriot Memory. The seller of top 1 product has received honest feedback from 3,667 consumers with an average rating of 4.7.

Written by
Mike Davis Avatar

Mike Davis is a professionally trained electrician with six years of working experience in the electronics industry. He has written an array of web and mobile-based articles for e-magazines and blogs. He loves trying out some novel and popular gadgets and his expertise is in the areas of electronics and computers which is built over many years of working and personal experiences.