Avexir ROG Impact 16GB (4 x 4GB) 288-Pin DDR4 SDRAM DDR4 2666 (PC4 21300) Desktop Memory Model AVD4UZ126661504G-4IPROG Cas Latency: 15 Voltage: 1.2V Multi-channel Kit: Quad Channel Kit Timing: 15-15-15-35 Heat Spreader: Yes Features: Intel Chipset motherboards Optimized Every Avexir Memory is 100% tested on PC motherboard environment Compatible with low-profile CPU coolers LED patent lighting tube, enable to the rhythm of breathing Exclusive ROG Certified auto O.C function High performance voltage stabilizing generator Each single IC has examined by AIST (AVEXIR IC Sorting Technology) Golden Finger Protector 10 layers PCB for maximum thermal conduction Double Copper PCB to maximized overclocking ability LED color: Red