Kingston Technology 16 GB 1600MHz (PC3-12800) Reg ECC Memory Module for HP/Compaq Severs KTH-PL316/16G One 16 GB Module of 1600MHZ DDR3 Memory for select HP/Compaq Servers 672631-B21 (HP/Compaq); 684066-B21 (HP/Compaq) Backed by a lifetime warranty and free technical support From the industry leader in PC memory Designed and tested for compatibility in select HP/Compaq Servers