Hardware Spec Index

Zephyra FN-3791 Pro 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3791-PRO · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index1,110 (Case Fans scale)
Category rank#9,010
Street price$39
Power4 W
Performance per dollar28.46
Released2019

Specifications

BrandZephyra
ModelZephyra FN-3791 Pro
Size120 × 120 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-4612 Plus 140mm PWM Case Fan645$19Compare
Caldera FN-4138 Prime 120mm PWM Case Fan628$19Compare
Brontix FN-3699 Ultra 120mm PWM ARGB Case Fan1,360$39Compare
Zephyra FN-3195 XT 120mm PWM ARGB Case Fan1,045$29Compare
Corvane FN-6471 XT 140mm PWM ARGB Case Fan1,243$49Compare
Caldera FN-6675 Core 120mm PWM Case Fan732$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3791 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/2233857 (accessed 2026-10-25).