Kingston memory 4 gb so dimm 204 pin ddr3 1600 mhz pc3 12800 135 v unbuffered non ecc for sony vaio s series svs13 svs1313 svs13135 svs13a35 svs13a36 svs1513 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