Caldera CL-3900 Ultra Single tower Air CPU Cooler
CPU Coolers · Caldera · SKU CL3900-ULTRA · Released 2024 · Updated 2026-10-21
Key facts
| Benchmark index | 1,030 (CPU Coolers scale) |
|---|---|
| Category rank | #37,720 |
| Street price | $39 |
| Power | 3 W |
| Performance per dollar | 26.41 |
| Released | 2024 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera CL-3900 Ultra |
| Type | Single tower air cooler |
| Heat pipes | 4× 6 mm copper |
| Height | 158 mm |
| Fans | 1× 120 mm PWM, up to 1,500 RPM |
| Rated cooling | 180 W (manufacturer rating) |
| Noise | 32 dBA (max) |
| RAM clearance | Unrestricted |
| Socket support | AM5, AM4, LGA1851, LGA1700 |
| Warranty | 6 years |
Related guides
AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 SocketIntel LGA1851 Socket
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Cite this page: Hardware Spec Index, “Caldera CL-3900 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/1759263 (accessed 2026-10-21).