Shuttle Intel 6 Core Processor Support Intel Core i7 Chipset, DDR3 (Max 16 GB), 500W Power Supply Barebone System SX58J3 (Black) Shuttle Brand New J3 Chassis Supports Intel Core i7 Processor Extreme Edition/Core i7 Processor The Intel X58 Express Chipset supports the latest 45nm Intel Core i7 processor family at 6.4 GT/s and 4.8 GT/s speeds The SX58J3 supports DDR3 memory that features data transfer rates of 1600(OC)/1333/1066 MHz to meet the higher bandwidth requirements of the latest operation system The 80 PLUS performance specification requires power supplies in computers and servers to be 80% or greater energy efficient