Kingston the world's largest independent memory manufacturer has over 2000 memory products. In today's performance-driven environment memory upgrades provide an easy economical alternative to increase system performance. Primary InformationRAM Type : DRAM RAM Technology : DDR2 SDRAM RAM Module Configuration : 256 x 72 RAM / Memory Speed : 400 MHz RAM Form Factor : DIMM 240-pin RAM CAS Latency ( tCL ) : CL3 RAM / Storage Capacity : 2 GB Slot(s) Required : 1 x memory - DIMM 240-pin Data Integrity Check : ECC Registered Memory / Supply Voltage : +1.8 +3.3 +5 +12 V Service&SupportService & Support Type : Lifetime warranty UNSPSC CodeUNSPSC Code : 32101602 Product IDUPC: 740617081176Manufacturer Part: KVR400D2D4R3/2G