16GB ( 1x 16GB Module ) DDR4 2666 MHz ( PC4-21300 ) DDR4 DIMM ( 288-Pin ) Non-ECC UDIMM ( Unbuffered DIMM ) 1.2V - DDR4 Standard Voltage Compatible Equivalent for Hynix HMA82GU6AFR8N-VK, HMA82GU6CJR8N-VK, HMA82GU6DJR8N-VK, HMA82GU6JJR8N-VK High performance Memory RAM upgrade designed for Desktop Computers 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 & offers complimentary United States based Tech Support before, during, & after your purchase