ADATA Premier DDR4 2133 unbuffered-DIMM memory module is the latest upgrade solution that supports Intel's Haswell-E (X99) platform for faster data transfer & enhanced power efficiency Utilizing the 288-pin design the operating voltage reduces from 15V to 12V which not only helps to save power by 20 also improves the transfer bandwidth speed up to 17 G Bs for light speed performance! Every chip in ADATA memory modules meet the standards of JEDEC & Ro HS ensuring system compatibility & environmentally friendly products Memory Memory layout (modules x size)1 x 4 GBInternal memory 4 GBComponent for P Cserver Memory form factor 288-pin DIMMCAS latency 15 Memory voltage 12 VUnbuffered memory Yes Memory clock speed 2133 MHz Internal memory type DDR4