Patriot Viper II Sector 5 Series Dimm Kit PVV34G1333LLK (2x2GB)  (Black) Extreme Performance PC3-14400 (DDR3 1333MHz) Low Latency (8-8-8-20) at 1.9V Equipped Patriot Viper II Heat Shields with integrated ACC (Aluminum Copper Composite) technology 100% Hand Tested and Verified RoHS Compliant Intel XMP Ready