Caldera CL-3641 Ultra Dual tower Air CPU Cooler
CPU Coolers · Caldera · SKU CL3641-ULTRA · Released 2020 · Updated 2026-10-22
Key facts
| Benchmark index | 2,025 (CPU Coolers scale) |
|---|---|
| Category rank | #21,630 |
| Street price | $139 |
| Power | 6 W |
| Performance per dollar | 14.57 |
| Released | 2020 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera CL-3641 Ultra |
| Type | Dual tower air cooler |
| Heat pipes | 7× 6 mm copper |
| Height | 165 mm |
| Fans | 2× 120 mm PWM, up to 1,600 RPM |
| Rated cooling | 260 W (manufacturer rating) |
| Noise | 25 dBA (max) |
| RAM clearance | Offset fin stack, 45 mm |
| Socket support | AM4, LGA1700, LGA1200, LGA115x |
| Warranty | 6 years |
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Cite this page: Hardware Spec Index, “Caldera CL-3641 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/53472580 (accessed 2026-10-22).