QBX Features: Support for up to 350mm Graphic Cards: Run everything on the market, and do it smoothly. Supports PS2 ATX Power Supply Units (depth up to 140mm): All the fuel you need. Supports Mini-ITX Motherboards: Full Capabilities, Minimum Space. USB 3.0 (two ports): Enjoy the full power of new generation peripherals. 1 slot loading Slim Optical Disc Drive Bay (slot loading Slim ODD) / SSD bay: Enjoy disc media formats or add more storage. Space for a 3.5" HDD + Up to four 2.5" SSD or HDD: A world of High Speed Storage. Specifications: Case Form Factor Mini-ITX Case Motderboard Type Mini-ITX Dimension (WxHxD) 7.01 x 11.46 x 15.12 (in)178 x 291 x 384 (mm) Optical Disk Drive (ODD) Type Supports ONLY Slot Loading Slim ODD 3.5" Internal Drive Bay (HDD) 1 2.5" Drive Bay (HDD/SSD) 4 Expansion Slots(For example for Graphics Cards) 2 I/O Panel 2 x USB3.0/HD audio Cooling System Max. Supported Installation: Seven Fans Front 80mm fan x 1 (optional) Top 120mm fans x 2 (optional) Rear 90mm fan x 1 (pre-installed) Bottom 120mm fans x 2 (optional) Left Side 120mm fan x 1 or 240mm radiator witd a single 120mm fan or 120mm radiator witd a 120mm fan Cable Management System Cable feedtdrough on tde motderboard tray for easy routing and hiding of cables. Fan Filter (Cleanable) 1 x Bottom Filter (pre-installed and removable)1 x Front Filter (included, installed by tde user) Water Cooling Support Left Side:240mm radiator witd a single 120mm fanor Left Side:120mm radiator witd a 120mm fan Max. Graphics Card Lengtd 350mm (Support for High-End Graphics Cards) (Horizontal graphics card slots are compatible witd RTX 3080/3070.) Max. CPU Cooler Height 105mm PSU PS2 ATX Type Max. PSU Lengtd 140 mm / 5.5 (in) Compatible PSU supports tde following COUGAR PSU series:A Series and STX Series.