Caldera CL-6655 Prime 420mm AIO Liquid CPU Cooler
CPU Coolers · Caldera · SKU CL6655-PRIME · Released 2019 · Updated 2026-10-20
Key facts
| Benchmark index | 1,827 (CPU Coolers scale) |
|---|---|
| Category rank | #31,862 |
| Street price | $109 |
| Power | 17 W |
| Performance per dollar | 16.76 |
| Released | 2019 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera CL-6655 Prime |
| Type | All-in-one liquid cooler |
| Radiator | 420 mm, aluminum, 38 mm thick |
| Fans | 3× 140 mm, up to 2,200 RPM |
| Pump | 2,800 RPM |
| Rated cooling | 330 W (manufacturer rating) |
| Noise | 29 dBA (max) |
| Tubing | 400 mm, sleeved EPDM |
| Socket support | AM4, LGA1700, LGA1200, LGA115x |
| Warranty | 6 years |
Related guides
Similar CPU Coolers
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Teralux CL-6830 Prime 420mm AIO Liquid CPU Cooler | 1,930 | $129 | Compare |
| Teralux CL-9252 Pro Single tower Air CPU Cooler | 1,696 | $119 | Compare |
| Caldera CL-7693 Ti Dual tower Air CPU Cooler | 1,539 | $89 | Compare |
| Teralux CL-3420 Core Dual tower Air CPU Cooler | 2,195 | $169 | Compare |
| Zephyra CL-5959 Max 420mm AIO Liquid CPU Cooler | 1,909 | $109 | Compare |
| Zephyra CL-1717 Pro Dual tower Air CPU Cooler | 2,196 | $139 | Compare |
Cite this page: Hardware Spec Index, “Caldera CL-6655 Prime 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/6973953 (accessed 2026-10-20).