Hardware Spec Index

Caldera CL-3988 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL3988-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index1,171 (CPU Coolers scale)
Category rank#11,146
Street price$49
Power12 W
Performance per dollar23.90
Released2024

Specifications

BrandCaldera
ModelCaldera CL-3988 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 2,200 RPM
Pump3,000 RPM
Rated cooling250 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

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Cite this page: Hardware Spec Index, “Caldera CL-3988 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/2167249 (accessed 2026-10-23).