Kingston Technology 2 GB (1x2 GB Module) 1333MHz DDR3 PC3-10600 240-Pin Single Rank DIMM Memory for Select HP/Compaq Servers KTH9600BS/2G 2GB Module of 1333MHz DDR3 Single Rank Memory for HP/Compaq Desktops Backed by a lifetime warranty and free technical support From the industry leader in PC memory