Arch Memory Certified for Dell 8 GB (2 x 4 GB) SNP9F035CK2/8GWS A7088178 240-Pin DDR2 ECC FB-DIMM Server RAM Arch Memory is a Registered Trademark of Arch Computer, LLC 2 x 4GB DDR2-667 PC2-5300 240Pin FBDIMM CL5 Dual Rank (2Rx8) 667MHz Fully Buffered Lifetime Replacement Warranty Included