Kingston's KVR400X64C3AK2/1G is a kit of two 512MB DDR400 CL3 (3-3-3) SDRAM memory modules. These two modules are identical and are designed and tested to meet Dual Channel Architecture requirements. Total kit capacity is 1GB. The components on each module include sixteen 16M x 16-bit DDR400 SDRAM in TSOP packages. Each 184-pin DIMM uses gold contact fingers and requires +2.5V.