Caldera CS-4540 Ultra Mini-ITX small form factor Case
PC Cases · Caldera · SKU CS4540-ULTRA · Released 2021 · Updated 2026-10-19
Key facts
| Benchmark index | 579 (PC Cases scale) |
|---|---|
| Category rank | #2,909 |
| Street price | $39 |
| Performance per dollar | 14.85 |
| Released | 2021 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera CS-4540 Ultra |
| Type | Mini-ITX small form factor |
| Motherboard support | Mini-ITX |
| Volume | 16 L |
| Max GPU length | 330 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 | Tempered glass |
| 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-8169 SE Micro-ATX tower Case | 1,465 | $129 | Compare |
| Zephyra CS-5917 SE Micro-ATX tower Case | 1,480 | $139 | Compare |
| Brontix CS-2705 Ultra E-ATX full tower Case | 2,455 | $349 | Compare |
| Zephyra CS-3725 Ti Micro-ATX tower Case | 600 | $49 | Compare |
| Brontix CS-6256 Max ATX mid tower Case | 2,188 | $249 | Compare |
| Caldera CS-1566 Edge E-ATX full tower Case | 2,304 | $299 | Compare |
Cite this page: Hardware Spec Index, “Caldera CS-4540 Ultra Mini-ITX small form factor Case”, https://vextor7.com/item/579145 (accessed 2026-10-19).