For those who missed out my previous post: http://www.hotukdeals.com/deals/8gb-corsair-xms3-8192mb-2x4096mb-me/798542
Faster memory (2000Mhz), but higher latency.
MAKE SURE THAT YOUR MOTHERBOARD SUPPORTS 2000Mhz RAMs!!!
Again some videos from YouTube:
Corsair Memory 4GB vs 8GB performance - Do more with more RAM http://www.youtube.com/watch?v=z3fIRK0GgvY
4GB vs 8GB RAM: Mac - http://www.youtube.com/watch?v=4QfCxzsvQ94
Corsair high performance XMS3 8GB kit (2x4GB) 2000MHz 9-10-9-27 for AMD and Intel Core i3, i5 and Core i7 dual channel memory processors and platform. The XMS3 family is Corsair’s mainstream line of performance DDR3 memory. These modules allow users to experience outstanding memory performance and stability. Available in Corsair’s XMS heat spreaders, each module is built using carefully selected RAMs.