SNP20D6FC/16G-PCW is a Dell Compatible 16GB PC3-12800 DDR3-1600 2Rx4 1.35v ECC Registered RDIMM, generic for Dell PN# SNP20D6FC/16G. This is a 'major brand' module (from either Samsung, Micron, Hynix, Infineon, etc.), equivalent in every way to Dell original memory. All PCW modules meet or exceed OEM specifications and JEDEC standards.