Dataram 4GB DDR3 SDRAM Memory Module - For Server - 4 GB (1 x 4GB) - DDR3-1333/PC3-10600 DDR3 SDRAM - 1333 MHz - ECC - Unbuffered - 240-pin - DIMM - Lifetime Warranty

No matter how heavy and numerous the applications that you are using, 1333 MHz memory speed with Unbuffered signal will run them smoothly DIMM 4 GB memory allows you to have more programs open at a time 240-pin-pin DDR3-1333/PC3-10600 operates at an effective bus speed with minimal power consumption and as a result, you get optimal computer performance with an improved memory heat dissipation