The 4K "Big Open" chassis takes away optical drives, Drive cages and other clutter and leave a big open platform allowing for creative modification.
It's Strong, with no wobble , It's ideal for many applications where old style chassis no longer make sense. It can take dual front 120MM fans with easy clean dust filters, You can still add storage drives at the top of the chassis on a cross member.
It has Front USB 3 x 2
HDD support 3.5 "hard disk 2; 2.5" HDD six
motherboards support 12 "13" (305 * 340mm )industrial motherboard
fan a 12025 fan, optional (1 and 2 6025 12025 Fan Fan)
power supply supports standard ATX power
extension seven full-height PCI slots straight