Caldera CS-8991 Plus ATX dual-chamber mid tower Case
PC Cases · Caldera · SKU CS8991-PLUS · Released 2025 · Updated 2026-10-24
Key facts
| Benchmark index | 2,319 (PC Cases scale) |
|---|---|
| Category rank | #31,349 |
| Street price | $259 |
| Performance per dollar | 8.95 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera CS-8991 Plus |
| Type | ATX dual-chamber mid tower |
| Motherboard support | E-ATX (≤ 277 mm), ATX, Micro-ATX, Mini-ITX |
| Volume | 64 L |
| Max GPU length | 437 mm |
| Max CPU cooler height | 180 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 2x2 Type-C (20Gbps), 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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| Caldera CS-7633 Plus ATX mid tower Case | 1,216 | $89 | Compare |
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| Zephyra CS-4003 Pro E-ATX full tower Case | 2,075 | $199 | Compare |
| Caldera CS-3692 Edge Mini-ITX small form factor Case | 642 | $49 | Compare |
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Cite this page: Hardware Spec Index, “Caldera CS-8991 Plus ATX dual-chamber mid tower Case”, https://vextor7.com/item/985578 (accessed 2026-10-24).