Hardware Spec Index

Caldera CL-3817 Ultra Single tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL3817-ULTRA · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,936 (CPU Coolers scale)
Category rank#42,445
Street price$109
Power3 W
Performance per dollar17.76
Released2022

Specifications

BrandCaldera
ModelCaldera CL-3817 Ultra
TypeSingle tower air cooler
Heat pipes6× 6 mm copper
Height160 mm
Fans1× 120 mm PWM, up to 1,500 RPM
Rated cooling220 W (manufacturer rating)
Noise30 dBA (max)
RAM clearanceUnrestricted
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

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

Similar CPU Coolers

ModelBenchmarkPriceCompare
Zephyra CL-5667 Plus Low profile Air CPU Cooler1,073$39Compare
Teralux CL-5812 Ti 280mm AIO Liquid CPU Cooler924$39Compare
Caldera CL-4821 Prime 280mm AIO Liquid CPU Cooler1,182$49Compare
Teralux CL-8149 Edge Single tower Air CPU Cooler1,942$119Compare
Teralux CL-2308 Core Dual tower Air CPU Cooler2,405$169Compare
Caldera CL-6453 XT Single tower Air CPU Cooler740$19Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-3817 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/53661912 (accessed 2026-10-21).