Kingston ValueRAM's KVR1333D3S8N9HK2/4G is a kit of two 256M x 64-bit 2GB (2048MB) DDR3-1333 PC3-10600 CL9 SDRAM memory modules, based on eight 256M x 8-bit DDR3-1333 FBGA components per module. Total kit capacity is 4GB. 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.

Note: This memory module may be not compatible with your motherboard
The module is built by eight 2 Gbit (256Mx8) DRAM chips. Some motherboards do not recognize modules with 2 Gbit chips. Please check with your motherboard manual for memory compatibility.