Zephyra CL-7721 Ultra 420mm AIO Liquid CPU Cooler
CPU Coolers · Zephyra · SKU CL7721-ULTRA · Released 2020 · Updated 2026-10-19
Key facts
| Benchmark index | 2,357 (CPU Coolers scale) |
|---|---|
| Category rank | #9,790 |
| Street price | $169 |
| Power | 17 W |
| Performance per dollar | 13.95 |
| Released | 2020 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra CL-7721 Ultra |
| Type | All-in-one liquid cooler |
| Radiator | 420 mm, aluminum, 27 mm thick |
| Fans | 3× 140 mm, up to 2,500 RPM |
| Pump | 2,900 RPM |
| Rated cooling | 330 W (manufacturer rating) |
| Noise | 34 dBA (max) |
| Tubing | 400 mm, sleeved EPDM |
| Socket support | AM4, LGA1700, LGA1200, LGA115x |
| Warranty | 5 years |
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Cite this page: Hardware Spec Index, “Zephyra CL-7721 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/6366175 (accessed 2026-10-19).