4 gb modules of ddr3 1600 (pc3 12800).

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

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

Buffalo Desktop DDR3 Memory 4GB Equivalent For Businesses D3U1600-4G (White Box) PC3-12800 MV-D3U1600-4G

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

Laptop Notebook Memory RAM DDR3 4GB 8GB 1600MHZ PC3 12800 1.35VAA

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

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

Desktop DDR3 8GB 1600MHz PC3-12800 PC DIMM Memory Ram Only For AMD Motherboard 16GAA

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

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

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

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

BUFFALO 204Pin DDR3 SDRAM 4GB PC3-12800 S.O.DIMM D3N1600-4G

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

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