 "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
 "HyperX FURY - DDR3 4 GB DIMM 240-pin" " HyperX 240-pin HX316C10F/4 System Memory (RAM) CDWG.com
"HyperX FURY DDR3 memory automatically overclocks for hassle-free, plug-and-play functionality that gets you in the game faster and instant top-level performance that helps you win it. It draws less power and generates less heat. Its asymmetric, aggressive design lets you stand out from the crowd of squared designs and features quality aluminum and a diamond-cut finish." 