Full Details from Amazon.com : http://www.amazon.com/gp/product/B003RCBHNM?tag=onigi-20
Komputerbay 1GB PC2700 DDR 333MHz CL2.5 ECC Registered 184 Pin - made for Servers not Desktops
100 COMPATIBLE MEMORY CAPACITY 1GB
Well Tested ECC Non parity
SUPPORTS DUAL CHANNEL
Lifetime Warranty
Memory Speed 333 MHz
