Brontix CL-3740 Ultra 240mm AIO Liquid CPU Cooler
CPU Coolers · Brontix · SKU CL3740-ULTRA · Released 2025 · Updated 2026-10-21
Key facts
| Benchmark index | 1,005 (CPU Coolers scale) |
|---|---|
| Category rank | #17,061 |
| Street price | $29 |
| Power | 12 W |
| Performance per dollar | 34.66 |
| Released | 2025 |
Specifications
| Brand | Brontix |
|---|---|
| Model | Brontix CL-3740 Ultra |
| Type | All-in-one liquid cooler |
| Radiator | 240 mm, aluminum, 27 mm thick |
| Fans | 2× 120 mm, up to 1,800 RPM |
| Pump | 3,400 RPM |
| Rated cooling | 250 W (manufacturer rating) |
| Noise | 35 dBA (max) |
| Tubing | 400 mm, sleeved EPDM |
| Socket support | AM5, AM4, LGA1851, LGA1700 |
| Warranty | 5 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, “Brontix CL-3740 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/13489282 (accessed 2026-10-21).