Silicon Power 4GB (1x4GB) DDR3-1333 PC3-10600 Non-ECC 240-Pin SDRAM Desktop Memory Not a kit (Single) SP004GBLTU133V02 Designed to be highly compatible with different models of computers and motherboards using AMD and Intel platforms Capacity: 4GB (1x4GB) Speed: 1333Mhz Timing: CL 9, 9-9-9 240PIN Unbuffered DIMM Voltage: 1.5v Non-ECC Lifetime Warranty