Premier DDR4 2666 Unbuffered DIMMPremier DDR4 2666 U-DIMM represents a new and appealing desktop memory upgrade option, with optimized support for the latest Intel processor and chipset platforms delivering high performance. Meticulous compliance with JEDEC DDR4 specifications means fast clock frequencies up to 2666MHz combined with 20% power draw savings compared to DDR3. Premier DDR4 2666 modules therefore boost both performance and environmental conservation.Features High speed up to 2666MHz Transfer bandwidth up to 21.3GB/s Energy efficient: saves 20% power compared to DDR3 8-layer PCB provides improved signal transfer and system stability Supports Intel Coffee Lake, Cannon Lake, Skylake-X and Kaby Lake-X CPU Supports AMD Socket AM4 and Socket TR4