ADATA Premier DDR4 2666 unbuffered-DIMM memory is the latest upgrade solution that supports Intels newest platforms for faster data transfer & enhanced power efficiency. Utilizing a 288-pin design, operating voltage has been reduced from 1.5V on DDR3 to 1.2V, which not only helps save power by 20%, but also boosts transfer bandwidth speed to 21.3GB/s. Every chip in ADATA memory modules meets strict JEDEC & Ro HS standards, ensuring compatibility, stability, & environmentally friendly products. Lifetime Warranty All ADATA memory modules are produced & tested using a rigorous quality control process for rapid computing & stable operation. In addition, ADATA memory modules provide customers a lifetime warranty for maximum assurance with excellent service. Specifications Module Type: U-DIMM Form Factor: standard 1.23" height Memory Type: DDR4 Standard: JEDEC Interface: 288-pin Density: 8GB Speed: 2666 M Hz Power supply: VDD & VDDQ = 1.2V±0.06V DRAM activation power supply: VPP= 2.5V (+0.25V / -0.125V) DRAM spec/VCC DDR4 STD 1.2V Operating temperature: 0°C to 85°C Warranty: Lifetime