Patriot Gamer 2 Series Division 4 Edition 32 GB (4x8GB) 1600MHz 240-Pin DDR3 SDRAM PGQ332G1600ELQK Extreme Performance PC3-12800 (1600MHz) Enhanced Latency (9-9-9-24) Voltage: 1.6V XMP 1.3 Ready Equipped with an extruded aluminum shield to provide improved cooling 100% Tested and Verified RoHS Compliant Only compatible with Intel X79 chipsets