Kingston Technology 8GB Kit (4x2 GB) 1600MHz DDR3 PC3 12800 240-Pin ECC Single Rank DIMM Memory for HP/Compaq KTH-PL316ESK4/8G Four 2GB Modules of 1600MHZ DDR3 ECC Single Rank Memory for HP/Compaq Servers and Workstations A2H30AV (HP/Compaq) Backed by a lifetime warranty and free technical support From the industry leader in PC memory Designed and tested for compatibility in various HP/Compaq servers and workstations