Specification: PCIE: 8PCS, Space 65mm between GPUs Power Port: 16x 6Pin (input)(8 on the front and 8 on the side), 16 ports (output) CPU: For Intel RAM: DDR3 4G 1600 HZ I/O: VGA/ 2x USB2.0 / 2x USB3.0 / Network OS: Linux / Windows Hark Disk: Support M-SATA / SATA Fan: 4x Fans Power Supply Support: ATX Chassis Size: As picture Package Included: 1x Motherboard （B85） 1x DDR3 4GB memory 1x Graphics card chassis 1x I3 series or equivalent CPU,Random delivery (including radiator) 4x 12038 cooling fan 8x 6 to 6+2 PIN cable