16GB DDR3-1066 ECC RDIMM Kit (2 x 8GB) TAA Compliant - 16 GB (2 x 8 GB) - DDR3 SDRAM - 1066 MHz DDR3-1066/PC3-8500 - ECC - Registered - 240-pin - DIMM

Up to 1066 MHz speed is enough to run heavy software smoothly while surfing web with dozens of tabs open 16 GB bar will run multiple applications together and enhance your computers performance DDR3-1066/PC3L-8500 interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computers performance