Kingston ValueRAM's KVR800D2N5K2/4G is a kit of two 256M x 64-bit (2048MB) CL5 DDR2-800 SDRAM (Synchronous DRAM) memory modules. These two modules are identical and are designed and tested to meet Dual Channel Architecture requirements. The components on each module include sixteen 128M x 8-bit (16M x 8-bit x 8 Bank) DDR2-800 SDRAM in FBGA packages. Total kit capacity is 4096 MB. Each 240-pin DIMM uses gold contact fingers and requires +1.8V.