Unique Design The PoR 21 is a compact micro-ATX chassis designed with looks and formfactor in mind. The crisp white exterior and acrylic side panel show off your build and help you stand out from the crowd. Easy Building The PoR 21 features a power supply basement and rear-channeling for easy cable routing and clean, well-managed builds. The case supports up to 155mm high CPU coolers and 340mm long GPU’s. Optimal Cooling Two included 120mm blue and orange LED case fans ensure your build stays cool while allowing easy expandability with additional fans or liquid cooling radiators. Portal Elemental Shadow Aura Add to Cart Add to Cart Buying Options Add to Cart Customer Reviews 3.4 out of 5 stars 3 4.0 out of 5 stars 8 — 5.0 out of 5 stars 1 Price $109.99$109.99 $119.97$119.97 — no data $179.99$179.99 Dimensions W: 188mm H: 440mm D: 407mm W: 210 mm H: 460mm D: 421mm W: 210mm H: 468mm D: 438mm W: 210mm H: 468mm D: 438mm Weight 5.5kg 7.1kg 8.3kg 8.3kg Motherboard Support Mini-ITX, Micro-ATX Mini-ITX, Micro-ATX, ATX Mini-ITX, Micro-ATX, ATX Mini-ITX, Micro-ATX, ATX I/O Ports 1x USB 3.0, 2x USB 2.0, 1x HD Audio, 1x Mic 1x USB 3.0, 1x USB 2.0, 1x HD Audio, 1x Mic, LED Control Button 2x USB 3.0, 2x USB 2.0, 1x HD Audio, 1x Mic, LED Control Button 2x USB 3.0, 2x USB 2.0, 1x HD Audio, 1x Mic, LED Control Button Expansion Slots 4 7 7 7 Radiator Support Front: 240mm Front: 120mm, 140mm, 240mm, 280mm Top: 120mm, 240mm Rear: 120mm Front: 120mm, 140mm, 240mm, 280mm Top: 120mm, 140mm, 240mm, 280mm Rear: 120mm Front: 120mm, 140mm, 240mm, 280mm Top: 120mm, 140mm, 240mm, 280mm Rear: 120mm Fan Support Front: 3x 120mm (1 included) Top: 2x 120mm Rear: 1x 120mm (1 included) Front: 3x 120mm(3 included)/3x 140mm Top: 2x 120mm/2x 140mm Rear: 1x 120mm (1 included) Front: 2x 120mm Top: 2x 120mm (2 included) Rear: 1x 120mm (1 included) Front: 2x 120mm Top: 2x 120mm (2 included) Rear: 1x 120mm (1 included) GPU Max Length 340mm 330mm 360mm 360mm PSU Cables 20+4 MOBO, 4+4 CPU, 2x 6+2 GPU, 6x Sata, 2x Molex 20+4 MOBO, 4+4 CPU, 2x 6+2 GPU, 6x Sata, 2x Molex 20+4 MOBO, 4+4 CPU, 2x 6+2 GPU, 6x Sata, 2x Molex 20+4 MOBO, 4+4 CPU, 2x 6+2 GPU, 6x Sata, 2x Molex