Hardware Spec Index

Caldera CL-4903 Max 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4903-MAX · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index2,342 (CPU Coolers scale)
Category rank#40,745
Street price$169
Power17 W
Performance per dollar13.86
Released2025

Specifications

BrandCaldera
ModelCaldera CL-4903 Max
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,600 RPM
Pump2,800 RPM
Rated cooling330 W (manufacturer rating)
Noise26 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

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Cite this page: Hardware Spec Index, “Caldera CL-4903 Max 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/7512946 (accessed 2026-10-21).