Hardware Spec Index

Zephyra FN-3920 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3920-PRIME · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index726 (Case Fans scale)
Category rank#23,303
Street price$19
Power3 W
Performance per dollar38.21
Released2019

Specifications

BrandZephyra
ModelZephyra FN-3920 Prime
Size120 × 120 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-8137 Max 140mm PWM ARGB Case Fan (3-Pack)894$29Compare
Zephyra FN-7382 Edge 120mm PWM Case Fan526$19Compare
Teralux FN-3612 Prime 120mm PWM ARGB Case Fan (3-Pack)989$29Compare
Caldera FN-1422 Max 140mm PWM ARGB Case Fan1,235$39Compare
Brontix FN-9422 SE 140mm PWM ARGB Case Fan870$29Compare
Caldera FN-7908 Edge 120mm PWM ARGB Case Fan1,163$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3920 Prime 120mm PWM Case Fan”, https://vextor7.com/item/3440422 (accessed 2026-10-23).