Crucial Ballistix MAX 16GB (2x8GB) DDR4 UDIMM 4000MHz CL18 Desktop PC Gaming Memory Black Extreme Domination Designed for extreme overclocking2 enthusiasts to get that extra edge in game, or to blow away world-record speeds. Ultimate Mod Create your own custom light bar with a 3D printer and provided 3D files. Control light pattern and brightness via software utilities. Engineered Design High-quality aluminum heat spreaders provide max heat dissipation while precision temp sensors monitor thermals as you push performance thresholds. Extensive Compatibility Our engineers work with AMD and Intel, as well as motherboard designers and system builders, to ensure our memory is optimized for high performance. Precision Parts As the manufacturer of memory components, we do more than bin parts. We optimize performance at the die level. Speed - DDR4-4000  Warranty - Limited 10-year warranty  CAS latency - 18  DRAM family - Ballistix Density - 16GB Kit (8GBx2)  Brand - Crucial Module type - UDIMM  Extended timings - 18-19-19-39  Form factor - UDIMM  Technology - DDR4  Voltage - 1.35V  PC speed - PC4-32000  Kit Qty - 2  Specs - DDR4 PC4-32000 • 18-19-19-39 • Unbuffered • NON-ECC • DDR4-4000 • 1.35V • 1024Meg x 64 •  DIMM type - Unbuffered 