Kingston ValueRAM KVR1333D3N9HK4/16G is a kit of four 512M x 64-bit 4GB (4096MB) DDR3-1333 PC3-10600 CL9 SDRAM, 2Rx8 memory modules, based on sixteen 256M x 8-bit DDR3-1333 FBGA components per module. Total kit capacity is 16GB. The SPDs are programmed to JEDEC standard latency 1333Mhz timing of 9-9-9 at 1.5V. Each 240-pin DIMM uses gold contact fingers and requires +1.5V.