Zephyra CS-6421 Ultra E-ATX full tower Case
PC Cases · Zephyra · SKU CS6421-ULTRA · Released 2026 · Updated 2026-10-23
Key facts
| Benchmark index | 2,099 (PC Cases scale) |
|---|---|
| Category rank | #37,087 |
| Street price | $239 |
| Performance per dollar | 8.78 |
| Released | 2026 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra CS-6421 Ultra |
| Type | E-ATX full tower |
| Motherboard support | E-ATX, ATX, Micro-ATX, Mini-ITX |
| Volume | 86 L |
| Max GPU length | 469 mm |
| Max CPU cooler height | 190 mm |
| Radiator support | Top 360 mm, front 360/420 mm, rear 120 mm |
| Fans included | None |
| 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 | Supported |
Related guides
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Cite this page: Hardware Spec Index, “Zephyra CS-6421 Ultra E-ATX full tower Case”, https://vextor7.com/item/3209465 (accessed 2026-10-23).