Series Ripjaws Series
Type 240-Pin DDR3 SDRAM
Capacity 4GB (2 x 2GB)
Speed DDR3 1600 (PC3 12800)
Cas Latency 9
Multi-channel Kit Dual Channel Kit
Heat Spreader Yes
Features Compatible with Dual Channel Intel Core i5 CPU for P55 chipset motherboard, Dual Channel Core i7 CPU for P55 chipset motherboard, and AMD AM3 Platform.
I was doing more research today and it appears that G.SKILL designed this memory especially for i5 and i7 customers and there has been message board talk about how it will work with AMD but no one has really tried it.
To be honest, I bought it because it looked best for the price.