HP 4GB DDR3 SDRAM Memory Module - 4 GB (1 x 4GB) - DDR3-1866/PC3-14900 DDR3 SDRAM - 1866 MHz - Non-ECC - Unbuffered - 240-pin - DIMM
CTO 4GB 1X4GB DDR3-1866 1CPU
Technical Specifications:
Memory Size: 4 GBMemory Technology: DDR3 SDRAMNumber of Modules: 1 x 4GBMemory Speed: 1866 MHzMemory Standard: DDR3-1866/PC3-14900Error Checking: Non-ECCSignal Processing: UnbufferedNumber of Pins: 240-pinForm Factor: DIMM