Caldera CS-5821 Ultra E-ATX full tower Case
PC Cases · Caldera · SKU CS5821-ULTRA · Released 2021 · Updated 2026-10-24
Key facts
| Benchmark index | 2,058 (PC Cases scale) |
|---|---|
| Category rank | #42,769 |
| Street price | $229 |
| Performance per dollar | 8.99 |
| Released | 2021 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera CS-5821 Ultra |
| Type | E-ATX full tower |
| Motherboard support | E-ATX, ATX, Micro-ATX, Mini-ITX |
| Volume | 82 L |
| Max GPU length | 461 mm |
| Max CPU cooler height | 190 mm |
| Radiator support | Top 360 mm, front 360/420 mm, rear 120 mm |
| Fans included | 4× 120 mm |
| Front I/O | 1× USB 3.2 Gen 2 Type-C, 2× USB 3.0, audio |
| PSU support | ATX (up to 220 mm) |
| Side panel | Tempered glass |
| Rear-connector boards | Not supported |
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Cite this page: Hardware Spec Index, “Caldera CS-5821 Ultra E-ATX full tower Case”, https://vextor7.com/item/75533992 (accessed 2026-10-24).