Hardware Spec Index

Zephyra FN-3961 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3961-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index796 (Case Fans scale)
Category rank#33,469
Street price$29
Power3 W
Performance per dollar27.45
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3961 Ultra
Size140 × 140 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-6236 Edge 140mm PWM ARGB Case Fan (3-Pack)1,340$49Compare
Teralux FN-7994 Plus 140mm PWM ARGB Case Fan1,190$39Compare
Corvane FN-4677 Prime 140mm PWM ARGB Case Fan (3-Pack)969$29Compare
Zephyra FN-3357 Ti 120mm PWM ARGB Case Fan944$29Compare
Teralux FN-3800 Ultra 120mm PWM Case Fan750$19Compare
Teralux FN-5043 XT 120mm PWM ARGB Case Fan1,097$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3961 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/93311299 (accessed 2026-10-19).