Full Details from Amazon.com : http://www.amazon.com/gp/product/B008E77M8Y?tag=onigi-20
Crucial Ballistix Tactical Tracer 4GB Single DDR3 1866 MT/s (PC3-14900) CL9 @1.5V UDIMM 240-Pin
Designed for performance enthusiasts gamers and power users
Enhanced heat spreader
Crucial a trusted name in memory
Advanced Speeds and timings XMP Profile
Orange and Blue LEDs
Limited Lifetime Warranty
