Crucial 4GB DDR3L SDRAM Memory Module - For Desktop PC - 4 GB (1 x 4GB) - DDR3L-1600/PC3-12800 DDR3L SDRAM - 1600 MHz - CL9 - 1.35 V - Non-ECC - Unbuffered - 240-pin - DIMM - Lifetime Warranty

No matter how heavy and numerous the applications that you are using, 1600 MHz memory speed will run them smoothly DIMM 4 GB of memory to refine your computers performance 240-pin-pin DDR3L SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computers performance