QNAP 4GB DDR3 RAM Module - For Server - 4 GB (1 x 4GB) DDR3 SDRAM - Non-ECC - DIMM - 2 Year Warranty

DIMM 4 GB memory allows you to have more programs open at a time DDR3 SDRAM 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