Hardware Spec Index

Caldera CL-5540 Pro 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL5540-PRO · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index1,095 (CPU Coolers scale)
Category rank#29,280
Street price$39
Power13 W
Performance per dollar28.08
Released2026

Specifications

BrandCaldera
ModelCaldera CL-5540 Pro
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 1,900 RPM
Pump3,300 RPM
Rated cooling280 W (manufacturer rating)
Noise30 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 SocketIntel LGA1851 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Brontix CL-1265 Ultra 360mm AIO Liquid CPU Cooler1,915$109Compare
Teralux CL-7375 Max Low profile Air CPU Cooler979$29Compare
Zephyra CL-8347 Edge Single tower Air CPU Cooler1,891$119Compare
Zephyra CL-4697 Prime Single tower Air CPU Cooler1,173$59Compare
Zephyra CL-1061 Ultra Dual tower Air CPU Cooler2,292$199Compare
Caldera CL-5809 Pro Dual tower Air CPU Cooler1,653$99Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-5540 Pro 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/176491 (accessed 2026-10-21).