Kingston HyperX 4 GB 1600 MHz RAM. Part : KHX1600C9D3B1/4G
G-Skill 4 GB DDR3 RAM for Apple Mac Laptops. Part : FA-10666CL9S-4GBSQ
G-Skill 4 GB DDR3 RAM for Apple Mac Laptops. Part : FA-8500CL7S-4GBSQ
Vengeance laptop memory upgrade kits are designed for getting the most performance from notebook and laptop PCs. Vengeance memory modules are built with DRAM chips specially selected for their high-performance potential.SKU# CMSX4GX3M1A1600C9
CORSAIR XMS3 1600 MHz 4 GB DDR3 RAM.
Corsair Vengeance DDR3 memory modules are designed with overclockers in mind. Vengeance DIMMs are built using RAM specially selected for their high-performance potential. Aluminum heat spreaders help dissipate heat, and provide the aggressive look that you want in your gaming rig
Corsair Value Select Memory — 4GB DDR3 Memory (CMV4GX3M1A1600C11)
Kingston 4 GB DDR3 Value RAM for Desktop.
Transcend 2GB DDR2 800 Hz RAM