Hardware Spec Index

Caldera CL-4390 Prime 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4390-PRIME · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index874 (CPU Coolers scale)
Category rank#44,446
Street price$29
Power13 W
Performance per dollar30.14
Released2023

Specifications

BrandCaldera
ModelCaldera CL-4390 Prime
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 2,100 RPM
Pump2,800 RPM
Rated cooling280 W (manufacturer rating)
Noise26 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 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Teralux CL-1225 Plus 240mm AIO Liquid CPU Cooler770$19Compare
Brontix CL-6419 Ti 360mm AIO Liquid CPU Cooler1,978$119Compare
Teralux CL-9755 Pro Single tower Air CPU Cooler615$19Compare
Brontix CL-2597 Ultra Dual tower Air CPU Cooler2,480$179Compare
Zephyra CL-2383 Max 240mm AIO Liquid CPU Cooler852$19Compare
Caldera CL-1969 Core Single tower Air CPU Cooler1,684$89Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-4390 Prime 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/63312789 (accessed 2026-10-22).