672633-B21 I GENUINE HP 16GB (1x16GB) Dual Rank x4 PC3-12800R Memory BRAND NEWTechnical Information Memory Size 16 GB Memory Technology DDR3 SDRAM Number of Modules 1 x 16 GB Memory Speed 1600 MHz Memory Standard DDR3 1600 PC3 12800 Error Checking ECC Signal Processing Registered CAS Latency CL11 Physical Characteristics Number of Pins 240 pin Form Factor DIMM We ship all products according to manufacturer specifications. If the manufacturer does not include an option as standard with the product (power supply, fan tray etc) we