Full Details from Amazon.com : http://www.amazon.com/gp/product/B004SBV1W8?tag=onigi-20
4GB Kit 2 x 2GB Memory for Dell PowerEdge 2850 Server PC2-3200R ECC Registered DDR2-400 240
Speed PC2-3200 400MHz
Form Factor 184 pin ECC Registered DIMM 2RX4
Capacity 4GB Total 2 X 2GB KIT
Warranty Lifetime
