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If your server, desktop computer, or laptop uses DDR memory, there is still a way to extend its life: Crucial DDR memory. Installing more memory gets more performance out of older systems and takes as little as five minutes – all while your data and files remain safe and unaffected. Crucial DDR modules are one of the fastest, easiest, and most affordable ways to speed up an aging computer.

Using the Crucial Advisor™ tool or System Scanner to find your upgrade guarantees compatibility when you order on Crucial.com. Check out our extensive library of resources for everything you need to know about buying and installing memory, beginning with our Memory Information Guide, and start your upgrade today.

8 DDR upgrades

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Crucial 512MB DDR-400 UDIMM

DDR PC3200 • CL=3 • UNBUFFERED • NON-ECC • DDR400 • 2.6V • 64MEG X 64 •

Crucial 1GB DDR-333 UDIMM

DDR PC2700 • CL=2.5 • UNBUFFERED • NON-ECC • DDR333 • 2.5V • 128MEG X 64 •

Crucial 1GB DDR-400 UDIMM

DDR PC3200 • CL=3 • UNBUFFERED • NON-ECC • DDR400 • 2.6V • 128MEG X 64 •

Crucial 1GB DDR-333 UDIMM

DDR PC2700 • CL=2.5 • UNBUFFERED • NON-ECC • DDR333 • 2.5V • 128MEG X 64 •

Crucial 1GB DDR-400 SODIMM

DDR PC3200 • CL=3 • UNBUFFERED • NON-ECC • DDR400 • 2.5V • 128MEG X 64 •

Crucial 1GB Kit (2 x 512MB) DDR-400 UDIMM

DDR PC3200 • CL=3 • UNBUFFERED • NON-ECC • DDR400 • 2.6V • 64MEG X 64 •

Crucial 2GB Kit (2 x 1GB) DDR-333 UDIMM

DDR PC2700 • CL=2.5 • UNBUFFERED • NON-ECC • DDR333 • 2.5V • 128MEG X 64 •

Crucial 2GB Kit (2 x 1GB) DDR-400 UDIMM

DDR PC3200 • CL=3 • UNBUFFERED • NON-ECC • DDR400 • 2.6V • 128MEG X 64 •