Hardware Spec Index

Caldera CL-3903 Pro Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL3903-PRO · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index2,151 (CPU Coolers scale)
Category rank#46,392
Street price$149
Power6 W
Performance per dollar14.44
Released2024

Specifications

BrandCaldera
ModelCaldera CL-3903 Pro
TypeDual tower air cooler
Heat pipes8× 6 mm copper
Height167 mm
Fans2× 120 mm PWM, up to 1,700 RPM
Rated cooling280 W (manufacturer rating)
Noise27 dBA (max)
RAM clearanceOffset fin stack, 45 mm
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 SocketIntel LGA1851 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Caldera CL-9862 SE 360mm AIO Liquid CPU Cooler1,267$49Compare
Caldera CL-2470 Core Single tower Air CPU Cooler1,983$139Compare
Caldera CL-3891 Max Dual tower Air CPU Cooler2,388$189Compare
Caldera CL-1741 SE Single tower Air CPU Cooler604$19Compare
Zephyra CL-4807 Max Low profile Air CPU Cooler669$19Compare
Zephyra CL-3446 Prime Dual tower Air CPU Cooler1,913$139Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-3903 Pro Dual tower Air CPU Cooler”, https://vextor7.com/item/7964029 (accessed 2026-10-20).