HP 2GB PC3-10600 DDR3-1333 1Rx8 ECC UDIMM (HP PN# 647905-S21)

647905-S21-PCW is a HP Compatible 2GB PC3-10600 DDR3-1333 1Rx8 ECC UDIMM (HP PN# 647905-S21). This is a ‘major brand’ module (from either Samsung, Micron, Hynix, Infineon, etc.), equivalent in every way to HP original memory. All PCW modules meet or exceed OEM specifications and JEDEC standards.