Corsair Memory ? 4gb (1x 4GB) ddr 4 2133 M Hz cl 15 dimm (cmv 4gx 4m 1a 2133c 15) Ultra Stable Memory from Corsair ? the Leader in Performance Memory Solutions Corsair built its reputation on performance memory that shines in the most demanding computing situations: extreme gaming & high-transaction processing environments. But not all computers are put to such extreme usage. So we brought the same reliability, testing & Corsair quality to a line of memory designed to support standard computing situations such as popular office applications. Now its one of our most popular memory lines. Backed with a lifetime warranty, it is memory you can rely on. Contents & Specifications Package contents 1 x 4gb memory modules Compatibility ddr 4 motherboards Technical Specifications Density: 4gb (1x 4GB) Speed: 2133 M Hz Tested Latency: 15-15-15-36 Voltage: 1.2v Format: dimm Pin Out: 288 Pin