Capacity: 32GB Kit ( 2x 16GB Modules ) | Type: DDR4 DIMM ( 288-Pin ) | Memory RAM for Desktop Computers Speed: DDR4 2666 / 2667 MHz ( PC4-21300 ) | ECC Type: Non-ECC UDIMM (Unbuffered DIMM) | Rank: 2Rx8 ( Dual Rank x8 ) | Voltage: 1.2V Designed for select Desktop Computers (not limited to) Acer, Alienware, ASRock, ASUS, Dell, DFI, Fujitsu, Gateway, Gigabyte, HP, HP Compaq, Intel, Lenovo, LG, MSI, Panasonic, QNAP, Samsung, Sony, Supermicro, Synology & Toshiba (DDR4 Capable) Models 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