Cas Latency: 9 Voltage: 1.5V Multi-channel Kit: Quad Channel Kit Timing: 9-9-9-24 Heat Spreader: Yes Features: Extreme Performance PC3-10666 (1333MHz) Enhanced Latency (9-9-9-24) Voltage: 1.5V 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