AddOn AM160D3SR4RN/4G x1 JEDEC Standard Factory Original 4GB DDR3-1600MHz Registered ECC Single Rank x4 1.5V 240-pin CL11 RDIMM - 100% compatible and guaranteed to work

Up to 1600 MHz speed for smooth computer performance 4 GB memory smoothly executes complex apps and games 240-pin-pin DDR3 SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computers performance