Hardware Spec Index

Caldera CL-6481 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL6481-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index2,327 (CPU Coolers scale)
Category rank#13,005
Street price$189
Power17 W
Performance per dollar12.31
Released2019

Specifications

BrandCaldera
ModelCaldera CL-6481 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,900 RPM
Pump3,000 RPM
Rated cooling330 W (manufacturer rating)
Noise28 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Brontix CL-5069 Prime 420mm AIO Liquid CPU Cooler2,185$159Compare
Caldera CL-8591 SE 240mm AIO Liquid CPU Cooler552$19Compare
Zephyra CL-4303 Prime 360mm AIO Liquid CPU Cooler1,856$109Compare
Teralux CL-9008 Max 240mm AIO Liquid CPU Cooler511$19Compare
Brontix CL-8622 SE 360mm AIO Liquid CPU Cooler1,824$129Compare
Zephyra CL-6213 Prime 360mm AIO Liquid CPU Cooler1,991$129Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-6481 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/11545646 (accessed 2026-10-25).