Mushkin 996990 DDR3 UDIMM (2x4GB) 8GB PC3-16000 9-11-9-27 Frostbyte1.65V Sometimes simplicity delivers great results. In the case of the world-renowned Mushkin Enhanced FrostByte™ heatsink, you can expect top-quality memory cooling in an incredibly effective design. Every nook, cranny and curve on the FrostByte™ serves an important purpose. The distinctive upper cage provides greater surface area for heat dissipation, as well as a turbulence pocket for greater airflow. In addition, the pressure clips combine with a top-quality thermal pad to provide optimal thermal transfer. With memory modules outfitted with a FrostByte™ heatsink, you can expect reliable cooling with a classic, elegant appearance. * Dual Channel Kit Engineered for dual-channel architecture. * Enhanced Frequency This product has been programmed to operate at the ideal frequency for your system when properly installed. * Enhanced Timings This product has been programmed for timings that offer improved performance when properly installed. * Frostbyte Heatsink This product is equipped with the Frostbyte Heatsink. * Hand-Tested This product has been tested by hand for quality assurance. * Lifetime Warranty Quality guaranteed - we offer a lifetime warranty on this product and genuine, unmatched service and support. Model: 996991 Type: DDR3 Pins: 240 Voltage: 1.65V Speed Spec: PC3-16000 Frequency: 2000MHz Capacity Kit Quantity: Dual Kit Module Density: 4GB Module Config: 512x64 Timings tCL: 9 tRCD: 11 tRP: 9 tRAS: 27 Unbuffered Non-ECC Cooling Technology Heatsink: Ridgeback