The Tower 100 Mini ITX Chassis is the mini version of our iconic case The Tower 900 P/N: CA-1R3-00S1WN-00 Series: The Tower Model: The Tower 100; Case Type: Mini Tower; Dimension (H X W X D): 462.8 x 266 x 266 mm (18.2 x 10.5 x 10.5 inch); Net Weight: 6.1 kg / 13.45 lbs; Side Panel: Tempered Glass x 3 (4mm thickness); Color: Black; Material: SPCC cooling system top(exhaust): 120 x 120 x 25 mm Turbo fan (1000rpm, 16 dBA) x 1 Rear(exhaust): 120 x 120 x 25 mm Turbo fan (1000rpm, 16 dBA) x 1 Drive Bays: -Accessible -Hidden 2 x 2.5“(with side bracket); 2 x 3.5” (without rear fan); Expansion Slots: 2 motherboards: 6.7” x 6.7” (Mini ITX) I/O PORT: USB 3.2 (Gen 2) Type-C x 1, USB 3.0 x 2, HD Audio x 2 PSU: Standard PS2 PSU (optional); Fan Support: Top: 1 x 120mm, 1 x 140mm Rear: 1 x 120mm, 1 x 140mm Top of the PSU Cover: 1 x 120mm, 1 x 140mm; Radiator Support: Top: 1 x 120mm; Clearance: CPU cooler height limitation: 190mm VGA length limitation: 330mm PSU length limitation: 180mm.