DDR3
From Amazon
Kingston ValueRAM 4GB 1600MT/s DDR3 Non-ECC CL11 DIMM 1Rx8 Height 30mm 1.5V KVR16N11S8H/4 Desktop Memory
Technoworld PLC
Kingston Technology ValueRAM KVR16N11S8H/4 memory module 4 GB DDR3 1600 MHz
AA2Z Supply
KINGSTON KVR16N11S8H/4 4GB 1600MHZ DDR3 NON-ECC CL11 DIMM SR X8 STD HEIGHT 30MM - 4 GB - DDR3 SDRAM - 1600 MHZ DDR3-1600/PC3-12800 - 1.50 V - NON-ECC - UNBUFFERED - 240-PIN - DIMM. BULK. .