EDGE Tech 4GB DDR3 SDRAM Memory Module - 4GB (1 x 4GB) - 1333MHz DDR3-1333/PC3-10600 - ECC - DDR3 SDRAM - 240-pin DIMM

Up to 1333 MHz speed with Registered signal for smooth computer performance 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