Which memory is a good one of these?

Patriot Viper II Sector 5 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory w/ 3DMark Vantage Model PVV34G1600LLKB


or

G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-4GBRL



Here is my build

CPU: Intel Core i5-760
CPU COOLER: COOLER MASTER Hyper 212 Plus
MOBO: ASUS P7P55D-E Pro
GPU: MSI GTX 460
PSU: Corsair 750W
HDD: Western Digital Caviar Black 500GB
Case: COOLER MASTER HAF 922
CD/DVD: