Hardware Spec Index

Caldera CL-9311 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL9311-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index743 (CPU Coolers scale)
Category rank#36,543
Street price$19
Power12 W
Performance per dollar39.11
Released2025

Specifications

BrandCaldera
ModelCaldera CL-9311 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 38 mm thick
Fans2× 120 mm, up to 2,500 RPM
Pump3,400 RPM
Rated cooling250 W (manufacturer rating)
Noise33 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-9311 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/12147239 (accessed 2026-10-20).