 "Corsair 4GB 2X2GB DDR3 1333MHz CL9 Dual Channel Memory Kit" Kit - CMV4GX3M2A1333C9 NCIX"
 Quick Specs: Compatibility Desktop Error Checking Non-ECC Number of Modules 2 x 2 GB Number of Pins 240-pin Signal Processing Unbuffered Form Factor DIMM Memory Speed 1333 MHz Memory Size 4 GB Memory Technology DDR3 SDRAM Memory Standard DDR3-1333/PC3-10600 ProductId 1015767274
 "Corsair Vengeance Blue 4Gb DDR3 1600 (1x4Gb) CL9 Module" Module | CMZ4GX3M1A1600C9B"
"Corsair Vengeance Blue 4Gb DDR3 1600 (1x4Gb) CL9 Module" 
 Item Code : MEC-D3-4096EB6 Item : Corsair Vengeance Blue 4Gb DDR3 1600 (1x4Gb) CL9 Module Brand : Corsair Model : CMZ4GX3M1A1600C9B EAN : 8435910123556 Size : 4Gb Bus Speed : 1600MHz PC3-12800 CAS Latency : 9-9-9-24 Number of Pins : 240-pin Other : Cerulean Blue heatsink Weight (kg) : 0.20 Price : £28.27