16GB Module ( 1x 16GB ) | DDR4 2666 / 2667 MHz ( PC4-21300 ) | DDR4 DIMM ( 288-Pin ) | Non-ECC UDIMM ( Unbuffered DIMM ) | 1.2V - DDR4 Standard Voltage. High performance Memory RAM upgrade designed for DDR4 DIMM compatible Desktop PC / Computers. Boosts the performance of your system by speeding up loading times improving system responsiveness and increasing your system's ability to handle greater workloads. All modules undergo quality assurance testing to ensure dependable and reliable performance | Please verify the supported memory (RAM) specifications of your system prior to purchase to ensure compatibility. A-Tech provides a Lifetime Warranty for all orders y offers complimentary United States based Tech Support before during y after your purchase.