Hardware Spec Index

Zephyra FN-3940 XT 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3940-XT · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index330 (Case Fans scale)
Category rank#20,599
Street price$9
Power3 W
Performance per dollar36.67
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3940 XT
Size120 × 120 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-3757 XT 120mm PWM ARGB Case Fan (3-Pack)1,273$49Compare
Zephyra FN-8958 XT 120mm PWM Case Fan230$9Compare
Corvane FN-3951 XT 140mm PWM Case Fan409$9Compare
Zephyra FN-9906 Edge 140mm PWM ARGB Case Fan854$29Compare
Caldera FN-4390 XT 120mm PWM ARGB Case Fan1,202$39Compare
Brontix FN-7949 Ultra 120mm PWM ARGB Case Fan870$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3940 XT 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/78280514 (accessed 2026-10-24).