HyperX HX426C15PB3K4/128 is a kit of four 4G x 64-bit (32GB) DDR4-2666 CL15 SDRAM (Synchronous DRAM) 2Rx8, memory module, based on sixteen 2G x 8-bit FBGA components per module. Each module kit supports Intel® Extreme Memory Profiles (Intel® XMP) 2.0. Total kit capacity is 128GB. Each module has been tested to run at DDR4-2666 at a low latency timing of 15-17-17 at 1.35V. The SPDs are programmed to JEDEC standard latency DDR4-2400 timing of 17-17-17 at 1.2V. Each 288-pin DIMM uses gold contact fingers.