4GB (2X2GB) Nemix Ram Certified DDR2 ECC Memory for Dell PowerEdge 1800 1850 1855 A0751671 A1461052 DDR2 400MHz PC2-3200 BRAND NEW! **LIFETIME WARRANTY** **SAME DAY SHIPPING** Cas Latency 4 *** 1.8V 240 PIN *** 100% Compatible with Servers that takes 2GB DDR2 400MHz PC2-3200 Memory Major Brand like Samsung Micron Hynix Kingston Elpida