title_left:  "672631-B21 HP 16GB (1x16GB) SDRAM DIMM" "Null"
description_left:  "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"
title_right:  "708641-B21 HP 16GB (1x16GB) SDRAM DIMM" "Null"
description_right:  "Description:HP 16GB (1x16GB) Dual Rank x4 PC3-14900R(DDR3-1866) Registered CAS-13 Memory KitPart Number(s) Option Part# 708641-B21 Spare 715274-001 Assembly 712383-081 HP SmartBuy Part## 708641-S21"