ValueRAM's KVR1066D3N7K2/4G is a kit of two 256M x 64-bit 2GB (2048MB) DDR3-1066 CL7 SDRAM (Synchronous DRAM) memory modules, based on sixteen 128M x 8-bit DDR3-1066 FBGA components. Total kit capacity is 4GB (4096MB). The SPDs are programmed to JEDEC standard latency 1066Mhz timing of 7-7-7 at 1.5V.