PNY Anarchy X 16GB Kit (4x4GB) DDR4 2666MHz (PC4-21300) CL15 Desktop Memory (RED) - MD16GK4D4266615AXR Memory Type: DDR4 PC Type: Desktop Frequency Speed (JEDEC): 2666MHz (PC4-21300) Latency (CAS): CL15-15-15-35 Voltage: 1.2V XMP Support: Yes Speed Compatibility: Compatible with 2666MHz, 2400MHz, 2133MHz