Caldera CS-9991 Ultra Mini-ITX small form factor Case
PC Cases · Caldera · SKU CS9991-ULTRA · Released 2024 · Updated 2026-10-24
Key facts
| Benchmark index | 661 (PC Cases scale) |
|---|---|
| Category rank | #25,906 |
| Street price | $39 |
| Performance per dollar | 16.95 |
| Released | 2024 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera CS-9991 Ultra |
| Type | Mini-ITX small form factor |
| Motherboard support | Mini-ITX |
| Volume | 12 L |
| Max GPU length | 333 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 2x2 Type-C (20Gbps), 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 |
|---|---|---|---|
| Caldera CS-4115 Core E-ATX full tower Case | 2,529 | $339 | Compare |
| Solvane CS-2402 Plus Mini-ITX small form factor Case | 532 | $39 | Compare |
| Solvane CS-1263 Prime Micro-ATX tower Case | 1,085 | $79 | Compare |
| Solvane CS-7702 XT ATX dual-chamber mid tower Case | 2,327 | $239 | Compare |
| Brontix CS-7913 Edge ATX mid tower Case | 1,790 | $169 | Compare |
| Corvane CS-1315 Ti ATX mid tower Case | 1,991 | $229 | Compare |
Cite this page: Hardware Spec Index, “Caldera CS-9991 Ultra Mini-ITX small form factor Case”, https://vextor7.com/item/99837290 (accessed 2026-10-24).