A top I/O panel provides two USB 3.0 ports, one eSATA port and audio ports, and there are a total of five exposed 5.25" bays (one can be converted for two 2.5" SSDs). Inside the case is room for nine 3.5" HDDs, ten PCI slots, graphics cards as long as 340mm and four fans:
The HTPX-Tank also has multiple holes in the motherboard tray to help with cable management, a removable bar that supports heavy (up to 340mm-long) graphics cards, four pre-drilled holes at the back for the tubing of watercooling systems, plus four fans - one 230mm in front, two 140mm spinners on top, and another 140mm fan at the rear.The case is expected to arrive soon but pricing is still unknown.
Source: TC Mag