4 gb modules of ddr3 1600 (pc3 12800).

Vaseky 2GB 4GB 8GB PC Memory RAM Memoria Module Computer Desktop PC3 12800 10600 DDR3 1333Mhz 1600Mhz Desktop RAM

Vaseky 2GB 4GB 8GB 2G 4G 8G Laptop Notebook Memory RAM Memoria Module Computer PC3 DDR3 10600 12800 S 1600MHZ 1333MHZ RAM

Samsung 4GB Laptop Memory Expansion DDR3-1600 / PC3-12800 204-pin DDR3-SDRAM S.O.DIMM 1.5V

Samsung Genuine 8GB Laptop Memory DDR3L Compatible Model with Both Voltage PC3-12800 (DDR3-1600) SO-DIMM (compatible 1.35V & 1.5V)

Crucial Brand Manufactured by DDR3 1600 4GB CL11 Unbuffered UDIMM CT51264BA160B [Crucial Micron] MT/s (PC3-12800) 240-pin

Silicon Power Desktop PC Memory DDR3 1600 8GB X 2 240Pin CL11 Mac Compatible SP016GBLTU160N22 PC3-12800 (16GB) 1.5V

princeton 4GB 240PIN DIMM PC3-12800 DDR3-1600

Transcend Desktop PC Memory DDR3 1600 8GB Compatible 240pin TS1GKR72V6H PC3-12800 1.5V REG-DIMM

Vaseky 2gb 4GB 8GB PC3 DDR3 12800 10600 1600MHZ 1333mhz Desktop MemoryAA

Adtech Unbuffered DIMM 8GB X 2 Disk Set DDR3-1600/PC3-12800 ADS12800D-8GW

SP Silicon Power Laptop Memory DDR3 1600 8GB X 2 204Pin Mac Compatible SP016GBSTU160N22 PC3-12800 (16GB)

ADTEC Server Unbuffered 8GB X DDR3-1600/PC3-12800 DIMM, 2, ECC, ADS12800D-E8GW

Silicon Power Desktop PC Memory DDR3 1600 8GB X 2 240Pin CL11 Mac Compatible SP016GBLTU160N22 PC3-12800 (16GB) 1.5V

Elecom Memory for Laptop PC DDR3-1600 PC3-12800 8G

Samsung Genuine 4GB Laptop Memory DDR3L Compatible Model with Both Voltage PC3-12800(DDR3-1600) SO-DIMM (Compatible 1.35V & 1.5V)

RAM Memory Kingston KCP3L16SD8/8 CL11 8 GB PC3-12800 DDR3 SDRAM

ELECOM Desktop Expansion Memory 4GB [2012 Model] DDR3-1600 PC3-12800 EV1600-4G/RO

ELECOM Laptop Memory Expansion 8GB DDR3-1600 PC3-12800 EV1600-N8G/RO