ADD-ON COMPUTER PERIPHERALS, INC. AddOn AM1866D3DR8EN/4G AM1866D3DR8EN/4G x1 JEDEC Standard Factory Original 4GB DDR3-1866MHz Unbuffered ECC Dual Rank x8 1.5V 240-pin CL13 UDIMM - 100% compatible and guaranteed to work

Server device support for your ram module to allow maximum efficiency and dependability Unbuffered signal processing provides reliable optimization for your required applications to allow maximum usability 240-pin for optimal performance and maximum reliability Up to 1866 MHz speed with unbuffered signal for playing the latest games and using heavy software DIMM 4 GB memory smoothly executes complex apps and games DDR3 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate DIMM form factor with 240-pin and 4 GB memory size effectively reduces minimizes the load on the server memory BUS to ensure maximum productivity Enables efficient and smooth execution of all your heavy-duty applications with maximum productivity