Caldera CS-6621 Ultra E-ATX full tower Case
PC Cases · Caldera · SKU CS6621-ULTRA · Released 2020 · Updated 2026-10-24
Key facts
| Benchmark index | 2,386 (PC Cases scale) |
|---|---|
| Category rank | #8,483 |
| Street price | $289 |
| Performance per dollar | 8.26 |
| Released | 2020 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera CS-6621 Ultra |
| Type | E-ATX full tower |
| Motherboard support | E-ATX, ATX, Micro-ATX, Mini-ITX |
| Volume | 87 L |
| Max GPU length | 465 mm |
| Max CPU cooler height | 190 mm |
| Radiator support | Top 360 mm, front 360/420 mm, rear 120 mm |
| Fans included | 3× 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 |
Related guides
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| Model | Benchmark | Price | Compare |
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| Caldera CS-6150 Core Micro-ATX tower Case | 1,510 | $119 | Compare |
| Corvane CS-9543 XT E-ATX full tower Case | 2,262 | $309 | Compare |
| Caldera CS-2069 Pro E-ATX full tower Case | 2,439 | $329 | Compare |
| Solvane CS-8039 Ultra E-ATX full tower Case | 2,279 | $329 | Compare |
| Caldera CS-1616 Ultra Mini-ITX small form factor Case | 1,083 | $69 | Compare |
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Cite this page: Hardware Spec Index, “Caldera CS-6621 Ultra E-ATX full tower Case”, https://vextor7.com/item/179049 (accessed 2026-10-24).