Brontix CS-9721 Ultra Mini-ITX small form factor Case
PC Cases · Brontix · SKU CS9721-ULTRA · Released 2021 · Updated 2026-10-23
Key facts
| Benchmark index | 969 (PC Cases scale) |
|---|---|
| Category rank | #26,484 |
| Street price | $59 |
| Performance per dollar | 16.42 |
| Released | 2021 |
Specifications
| Brand | Brontix |
|---|---|
| Model | Brontix CS-9721 Ultra |
| Type | Mini-ITX small form factor |
| Motherboard support | Mini-ITX |
| Volume | 17 L |
| Max GPU length | 337 mm |
| Max CPU cooler height | 70 mm |
| Radiator support | 240 mm (side) |
| Fans included | 1× 120 mm |
| Front I/O | 1× USB 3.2 Gen 2 Type-C, 2× USB 3.0, audio |
| PSU support | SFX / SFX-L |
| Side panel | Steel mesh |
| Rear-connector boards | Not supported |
Related guides
AIO Liquid Cooling vs Air Cooling for CPUsChoosing a GPU for 1440p GamingChoosing a GPU for 4K Gaming
Similar PC Cases
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Brontix CS-8405 Prime ATX mid tower Case | 1,168 | $79 | Compare |
| Zephyra CS-3458 Max ATX dual-chamber mid tower Case | 1,946 | $239 | Compare |
| Corvane CS-2770 Core ATX mid tower Case | 1,267 | $89 | Compare |
| Corvane CS-4203 SE ATX dual-chamber mid tower Case | 2,091 | $229 | Compare |
| Zephyra CS-6451 Ultra E-ATX full tower Case | 2,330 | $269 | Compare |
| Zephyra CS-7648 XT ATX mid tower Case | 1,903 | $209 | Compare |
Cite this page: Hardware Spec Index, “Brontix CS-9721 Ultra Mini-ITX small form factor Case”, https://vextor7.com/item/76016103 (accessed 2026-10-23).