PNY OPTIMA 2GB (2x1GB) Dual Channel Kit DDR 400 MHz PC3200 Desktop DIMM Memory Modules MD2048KD1-400

PNY OPTIMA 2GB (2x1GB) Dual Channel Kit DDR2 667 MHz PC2-5300 Desktop DIMM Memory Modules MD2048KD2-667

Crucial / 1GB / 240-pin DIMM / DDR2 PC2-5300 memory module

PNY OPTIMA 1GB DDR 400 MHz PC3200 Desktop DIMM Memory Module MD1024SD1-400

PNY OPTIMA 2GB (2x1GB) Dual Channel Kit DDR2 800 MHz PC2-6400 Desktop DIMM Memory Modules MD2048KD2-800

CORSAIR XMS3 DHX 4GB ( 2 X 2GB ) PC3-10666 1333MHz 240-pin DDR3 CL9 Dual Channel Desktop Memory Kit - TW3X4G1333C9DHX

PNY OPTIMA 2GB (2x1GB) Dual Channel Kit DDR2 533 MHz PC2-4200 Desktop DIMM Memory Modules MD2048KD2-533

PNY OPTIMA 1GB DDR 333 MHz PC2700 Desktop DIMM Memory Module MD1024SD1-333

Corsair Dominator 6 GB PC3-12800 1600MHz Triple Channel Core i7 DDR3 CAS 8 Memory Kit CMP6GX3M3A1600C8

Corsair TR3X6G1600C8D Dominator 6 GB 3 x 2 GB PC3-12800 1600MHz 240-Pin DDR3 Core i7 Memory Kit