Caldera CL-4281 Ultra Dual tower Air CPU Cooler
CPU Coolers · Caldera · SKU CL4281-ULTRA · Released 2021 · Updated 2026-10-22
Key facts
| Benchmark index | 1,536 (CPU Coolers scale) |
|---|---|
| Category rank | #22,722 |
| Street price | $69 |
| Power | 6 W |
| Performance per dollar | 22.26 |
| Released | 2021 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera CL-4281 Ultra |
| Type | Dual tower air cooler |
| Heat pipes | 7× 6 mm copper |
| Height | 164 mm |
| Fans | 2× 120 mm PWM, up to 1,500 RPM |
| Rated cooling | 260 W (manufacturer rating) |
| Noise | 33 dBA (max) |
| RAM clearance | Offset fin stack, 45 mm |
| Socket support | AM4, LGA1700, LGA1200, LGA115x |
| Warranty | 6 years |
Related guides
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Cite this page: Hardware Spec Index, “Caldera CL-4281 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/52944233 (accessed 2026-10-22).