Kingston memory is designed manufactured and rigorously tested to meet the exact specifications of each brand name system itrsquos guaranteed to be compatible and backed by a lifetime warranty and legendary kingston reliability memory memory layout modules x size 1 x 4 gb internal memory 4 gb component for pcserver memory form factor 288 pin dimm cas latency 17 memory voltage 12 v lead plating gold module configuration 512m x 64 row cycle time 4575 ns refresh row cycle time 260 ns row active