Hardware Spec Index

Caldera CL-3948 Ultra Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL3948-ULTRA · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index2,468 (CPU Coolers scale)
Category rank#31,345
Street price$189
Power6 W
Performance per dollar13.06
Released2020

Specifications

BrandCaldera
ModelCaldera CL-3948 Ultra
TypeDual tower air cooler
Heat pipes8× 6 mm copper
Height168 mm
Fans2× 120 mm PWM, up to 1,900 RPM
Rated cooling280 W (manufacturer rating)
Noise24 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-8441 Core 420mm AIO Liquid CPU Cooler2,223$179Compare
Teralux CL-3646 Plus 360mm AIO Liquid CPU Cooler2,143$139Compare
Zephyra CL-9529 Pro Dual tower Air CPU Cooler2,186$149Compare
Zephyra CL-1510 Ultra Single tower Air CPU Cooler1,570$79Compare
Zephyra CL-9943 Plus 420mm AIO Liquid CPU Cooler2,395$179Compare
Caldera CL-4529 Core 360mm AIO Liquid CPU Cooler1,403$69Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-3948 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/9412409 (accessed 2026-10-23).