Hot-swappable chassis can support the installation of 12 * 13 (305 * 340mm) motherboard and the following dimensions of the motherboard; has eight 3.5-inch hard drive and two 2.5-inch hard drive, a notebook drive; rear window 7PCS PCI-E Full height slot, good performance; exnt heat dissipation is also a good chassis, this hot-swappable chassis built-in 3 and 80MM fans, forward and rear of the duct, the better for the chassis cooling.