Desktop ram - 8gb ddr4 form factor dimm 288 pin total capacity 8gb warranty limited lifetime specs ddr4 pc4-21300 ,cl=19 ,unbuffered ,non-ecc ,ddr4-3200 ,1.2v series samsung speed 3200 mhz voltage 1.2v dimm type unbuffered component for desktop pc`s speeds start at 3200 mt/s increase bandwidth by up to 30% reduce power consumption by up to 40% and extend battery life faster burst access speeds for improved sequential data throughput optimized for next generation processors and platforms available in modules.