Hardware Spec Index

Caldera CL-4921 XT 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4921-XT · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index1,726 (CPU Coolers scale)
Category rank#41,604
Street price$89
Power13 W
Performance per dollar19.39
Released2023

Specifications

BrandCaldera
ModelCaldera CL-4921 XT
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 1,800 RPM
Pump3,300 RPM
Rated cooling280 W (manufacturer rating)
Noise33 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

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Cite this page: Hardware Spec Index, “Caldera CL-4921 XT 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/5659622 (accessed 2026-10-21).