QNAP 16GB DDR4 SDRAM Memory Module - 16 GB - DDR4-2666/PC4-21333 DDR4 SDRAM - 2666 MHz - ECC - Unbuffered - 288-pin - DIMM Enables efficient and smooth execution of all your heavy-duty applications with maximum productivity No matter how heavy and numerous the applications that you are using, 2666 MHz memory speed will run them smoothly DIMM 16 GB capacity is enough to execute all memory hungry programs simultaneously 288-pin DDR4 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 288-pin for enhanced, dependable system performance with maximum usability DIMM form factor with 288-pin and 16 GB memory size effectively reduces minimizes the load on the server memory BUS to ensure maximum productivity Unbuffered signal processing allows higher accuracy and enhanced ram module performance