Arch Memory Certified for Dell 8 GB (1 x 8 GB) SNPFN6XKC/8G A8058238 288-Pin DDR4-2133 PC4-17000 UDIMM RAM Arch Memory is a Registered Trademark of Arch Computer, LLC 1 x 8GB DDR4-2133 PC4-17000 288-Pin UDIMM 1.2v Dual Rank (2Rx8) Non-ECC Unbuffered 2133Mhz Lifetime Replacement Warranty Included