8GB -2X4GB- Memory Ram Compatible with Dell Poweredge 1850 Ddr2-Pc3200 for Server Only by CMS B47

8GB Total memory using 2pc of 4GB PC2-3200 DDR2-400 Dual-Rank Registered ECC DIMM. CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from CMS. IF YOU NEED ECC REG SINGLE RANK PLEASE EMAIL US Features Compatible with Dell PowerEdge 1850 First DIMM may be populated singularly, additional memory must be populated in pairs. This chipset supports a maximum of 8 ranks.