Details Brand : HIKVISION Capacity : 4GB - 8GB SRx4 DIMM - Single Rank DDR4 SDRAM Speed : 2666 MT/S (PC4-21300), 2,666 MHz Latency : CL19 Voltage : 1.2V Pin : 288-pin Buffered : DIMM Desktop SDRAM Compatible with systems that take DDR4 2666MT/s UDIMM memory. Speeds up to 3200 MT/s and faster data rates are expected to be available as DDR4 technology matures Increase bandwidth by up to 32 percent Reduce Power consumption by up to 40 percent Lifetime Warranty