title_left:  "HP, 672631-B21, 16GB (1x16GB) Dual Rank"@en 672631-B21 "HP
description_left: "HP, 672631-B21, 16GB (1x16GB) Dual Rank"@en 
title_right:  "672631-B21 HP 16GB (1x16GB) SDRAM DIMM" "Null"
description_right:  "Description:HP 16GB (1x16GB) Dual Rank x4 PC3-12800R(DDR3-1600) Registered CAS-11 Memory KitPart Number(s) Option Part# 672631-B21 HP SmartBuy 672631-S21 Spare 684031-001 Assembly 672612-081"