16GB ( 1x 16GB Module ) DDR5 4800 MHz ( PC5-38400 ) DDR5 DIMM ( 288-Pin ) Non-ECC UDIMM ( Unbuffered DIMM ) 1.1V - DDR5 Standard Voltage Compatible Equivalent for Hynix HMCG78MEBUA081N, HMCG78MEBUA084N 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