Hardware Spec Index

Caldera CL-6347 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL6347-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index946 (CPU Coolers scale)
Category rank#5,583
Street price$29
Power13 W
Performance per dollar32.62
Released2022

Specifications

BrandCaldera
ModelCaldera CL-6347 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 2,000 RPM
Pump2,900 RPM
Rated cooling280 W (manufacturer rating)
Noise29 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
Brontix CL-7549 Ultra Low profile Air CPU Cooler648$19Compare
Brontix CL-9998 Plus Dual tower Air CPU Cooler2,063$149Compare
Teralux CL-8193 Core 240mm AIO Liquid CPU Cooler761$19Compare
Brontix CL-4716 Prime 280mm AIO Liquid CPU Cooler1,723$89Compare
Teralux CL-5204 Pro 240mm AIO Liquid CPU Cooler733$29Compare
Teralux CL-1629 Edge Low profile Air CPU Cooler918$29Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-6347 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/5206372 (accessed 2026-10-25).