Hardware Spec Index

Caldera CL-3747 Ultra Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL3747-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,632 (CPU Coolers scale)
Category rank#8,154
Street price$99
Power6 W
Performance per dollar16.48
Released2021

Specifications

BrandCaldera
ModelCaldera CL-3747 Ultra
TypeDual tower air cooler
Heat pipes8× 6 mm copper
Height165 mm
Fans2× 120 mm PWM, up to 2,100 RPM
Rated cooling280 W (manufacturer rating)
Noise26 dBA (max)
RAM clearanceOffset fin stack, 45 mm
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Zephyra CL-9431 Edge 240mm AIO Liquid CPU Cooler948$29Compare
Brontix CL-8835 Plus 240mm AIO Liquid CPU Cooler529$19Compare
Caldera CL-8921 XT Dual tower Air CPU Cooler1,483$69Compare
Caldera CL-4872 Plus 240mm AIO Liquid CPU Cooler948$29Compare
Zephyra CL-9312 Plus Single tower Air CPU Cooler930$29Compare
Caldera CL-9448 Pro 240mm AIO Liquid CPU Cooler1,198$49Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-3747 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/1491295 (accessed 2026-10-25).