4GB 1866MHz DDR3 Non-ECC CL9 DIMM XMP HyperX Savage. Attack the competition with HyperX® Savage memory. Its unique, asymmetrical red heat spreader is made from high-quality aluminium and has a black PCB and a diamond cut finish to make your game shine and help you stand out in the crowd. The heat spreader dissipates heat so that your system stays cool and reliable and its low profile fits under oversized CPU coolers.