Hardware Spec Index

Zephyra FN-9939 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN9939-PRO · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index486 (Case Fans scale)
Category rank#42,054
Street price$19
Power4 W
Performance per dollar25.58
Released2022

Specifications

BrandZephyra
ModelZephyra FN-9939 Pro
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise35 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-7668 Max 140mm PWM Case Fan298$9Compare
Corvane FN-1323 Edge 140mm PWM ARGB Case Fan984$29Compare
Zephyra FN-7138 Edge 120mm PWM ARGB Case Fan (3-Pack)1,400$49Compare
Teralux FN-2331 Ultra 120mm PWM Case Fan627$19Compare
Zephyra FN-5436 Ultra 120mm PWM ARGB Case Fan1,210$49Compare
Brontix FN-7287 Max 140mm PWM Case Fan (3-Pack)304$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-9939 Pro 140mm PWM Case Fan”, https://vextor7.com/item/2942818 (accessed 2026-10-24).