Corsair 4GB (1x4GB) DDR4 2133MHz Unbuffered CL15 DIMM - 4 GB (1 x 4GB) - DDR4-2133/PC4-17000 DDR4 SDRAM - 2133 MHz - CL15 - 1.20 V - Unbuffered - 288-pin - DIMM - Lifetime Warranty

Up to 2133 MHz speed for playing the latest games and using heavy software 4 GB memory allows you to have more programs open at a time DDR4 SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computers performance