Hardware Spec Index

Zephyra CL-3904 XT Single tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL3904-XT · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index1,083 (CPU Coolers scale)
Category rank#28,854
Street price$39
Power3 W
Performance per dollar27.77
Released2020

Specifications

BrandZephyra
ModelZephyra CL-3904 XT
TypeSingle tower air cooler
Heat pipes4× 6 mm copper
Height156 mm
Fans1× 120 mm PWM, up to 1,800 RPM
Rated cooling180 W (manufacturer rating)
Noise28 dBA (max)
RAM clearanceUnrestricted
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
Caldera CL-9103 Plus Dual tower Air CPU Cooler1,814$119Compare
Caldera CL-7467 Prime 360mm AIO Liquid CPU Cooler1,946$149Compare
Brontix CL-9106 Max 420mm AIO Liquid CPU Cooler2,289$159Compare
Zephyra CL-5298 Edge Low profile Air CPU Cooler1,223$59Compare
Zephyra CL-8904 Ti 360mm AIO Liquid CPU Cooler1,293$59Compare
Caldera CL-9157 XT Dual tower Air CPU Cooler2,085$129Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-3904 XT Single tower Air CPU Cooler”, https://vextor7.com/item/4595158 (accessed 2026-10-24).