Arch Memory Certified for Dell 8 GB (1 x 8 GB) SNPPKCG9C/8G A7990613 240-Pin DDR3L-1600 PC3L-12800 ECC RDIMM Server RAM Arch Memory is a Registered Trademark of Arch Computer, LLC 1 x 8GB DDR3L-1600 PC3L-12800 240-Pin RDIMM 1.35v Dual Rank (2Rx8) ECC Registered 1600MHz Lifetime Replacement Warranty Included