Hardware Spec Index

Caldera CL-6908 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL6908-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index971 (CPU Coolers scale)
Category rank#47,733
Street price$29
Power12 W
Performance per dollar33.48
Released2019

Specifications

BrandCaldera
ModelCaldera CL-6908 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 2,100 RPM
Pump3,400 RPM
Rated cooling250 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-6908 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/9914733 (accessed 2026-10-25).