Buffalo A2F667-E2GX2 4GB DDR2 667MHz memory module

4GB Kit, 667MHz, PC2-5300 Fully Buffered x72 ECC, 240 Pin (MacPro) TechWorks memory by Buffalo Technology has been a leading memory upgrade solution for Apple computers since 1986, and was the first memory to include a lifetime warranty. Buffalo manufactures TechWorks modules to surpass Apple’s specifications and guarantees that they are 100% compatible with Apple computers. Let Buffalo exceed your expectations and be your Apple memory upgrades solution, giving you the Power to Perform™.