Description: The Enthoo Pro 2 Server Edition is designed with extreme performance in mind and features Phanteks’ innovative High-Performance Fabric, offering a new airflow performance standard. With an extremely spacious and versatile interior design and state-of-the-art features, the Pro 2 Server Edition is ready to house any high-end configuration. The Pro 2 Server Edition features support for the largest server and workstation-grade motherboards with up to 11 PCI slots in the rear. Numerous storage and cooling options are available to meet any cooling demand. High Performance full tower capable of extreme workstation and server systems Spacious open interior supports up to SSI-EEB motherboards, 480 and 360 radiators, 11 PCI slots and storage up to 10 HDDs or 11 SSDs Up to 15 fans can be installed of which 3 fans are positioned directly over the PCI and CPU area Case Specifications Dimension 240 x 580 x 560 mm | 9.45 x 22.83 x 22.05 in Form Factor Full Tower Material(s) Steel Chassis Mainboard Support XL-ATX | SSI-EEB | E-ATX | ATX | Micro-ATX | Mini-ITX Front I/O 1x USB-C Gen 2, 4x USB 3.0, Microphone/Headphone Combo, Reset Button, Power Button Connectors Power Switch, Reset Switch, HD-Audio, USB 3.0, USB 3.2 Gen2 Type-E Expansion & Drive Bays Expansion Slots 11 Vertical GPU Support No Internal 3.5” 10x (4x included) Internal 2.5” 11x Cooling 120mm (Fan) 140mm (Fan) Front 4x 3x Top 3x 3x Side 4x - Rear 1x - Bracket 3x - Liquid Cooling 120mm (Radiator) 140mm (Radiator) Front Up to 480 Up to 420 Top Up to 360 - Side Up to 480 - Rear 120 - Bracket - - Clearance Mainboard 375 x 330mm | 14.76 x 12.99 in Graphic Card Length 503 mm | 19.95 in CPU Cooler Height 195 mm | 7.67 in Front Radiator 142 x 475 mm | 5.59 x 18.70 in Top Radiator 120 x 475mm (Max 55 mm mainboard height)4.72 x 18.70 in (Max 2.16 inch mainboard height) Side Radiator 134 x 525 x 35 mm | 5.27 x 20.66 x 1.37 in