Exceptional 512MB DDR2 400MHz ECC Registered DIMM memory upgrades

This item is in-stock!

98% of all orders received before 1PM PST, will ship same day. An acceptance email will be sent confirming we received your order, a second email when it is in warehouse processing and when we ship you will be emailed a third time with a tracking number.

An even better deal with FREE SHIPPING! *

PRO Memory Upgrade will ship your order free of charge via Fedex ground. The free shipping is limited to four kits, above that there may be some additional charge. This service is ground and may take 3-7 days, but it is FREE.

* Continental US Only

Why Buy From Us?

We understand there are many places you can buy the 512MB DDR2 400MHz 240-PIN ECC Registered online. We want to earn your business so PRO Memory Upgrade chooses to offer the absolute highest quality memory products available anywhere in the world. We deliver genuine factory original memory modules only to our customers.

The same standards Apple, Dell, HP, IBM and other computer OEMs demand when configuring new systems for the first time. PRO Memory Upgrade is owned and operated by a team that has been in the memory industry since 1988. PRO Memory Upgrade is supported by a huge infrastructure as well as deep relationships within the DRAM community allowing us to bring the latest memory upgrade technology to the online market first. There is no other place online to find this standard of memory quality at these values. We care about your memory upgrade and want to surpass your expectations.