Hardware Spec Index

Caldera CL-3899 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL3899-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index1,460 (CPU Coolers scale)
Category rank#1,245
Street price$79
Power13 W
Performance per dollar18.48
Released2019

Specifications

BrandCaldera
ModelCaldera CL-3899 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 2,400 RPM
Pump3,000 RPM
Rated cooling280 W (manufacturer rating)
Noise29 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

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Cite this page: Hardware Spec Index, “Caldera CL-3899 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/60006023 (accessed 2026-10-20).