Caldera CS-3921 Prime E-ATX full tower Case
PC Cases · Caldera · SKU CS3921-PRIME · Released 2019 · Updated 2026-10-23
Key facts
| Benchmark index | 2,042 (PC Cases scale) |
|---|---|
| Category rank | #16,287 |
| Street price | $199 |
| Performance per dollar | 10.26 |
| Released | 2019 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera CS-3921 Prime |
| Type | E-ATX full tower |
| Motherboard support | E-ATX, ATX, Micro-ATX, Mini-ITX |
| Volume | 85 L |
| Max GPU length | 463 mm |
| Max CPU cooler height | 190 mm |
| Radiator support | Top 360 mm, front 360/420 mm, rear 120 mm |
| Fans included | 3× 140 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 | Steel mesh |
| Rear-connector boards | Not supported |
Related guides
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| Model | Benchmark | Price | Compare |
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| Caldera CS-2429 Prime ATX mid tower Case | 1,927 | $189 | Compare |
| Solvane CS-6370 Prime E-ATX full tower Case | 2,296 | $279 | Compare |
| Caldera CS-7067 Prime Micro-ATX tower Case | 1,261 | $109 | Compare |
| Zephyra CS-2754 Prime ATX dual-chamber mid tower Case | 2,110 | $229 | Compare |
| Caldera CS-3036 Plus Micro-ATX tower Case | 1,528 | $149 | Compare |
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Cite this page: Hardware Spec Index, “Caldera CS-3921 Prime E-ATX full tower Case”, https://vextor7.com/item/9302510 (accessed 2026-10-23).