Hardware Spec Index

Zephyra FN-3685 Pro 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3685-PRO · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index809 (Case Fans scale)
Category rank#21,221
Street price$29
Power3 W
Performance per dollar27.90
Released2026

Specifications

BrandZephyra
ModelZephyra FN-3685 Pro
Size120 × 120 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-9508 Pro 140mm PWM Case Fan275$9Compare
Teralux FN-9517 SE 140mm PWM Case Fan (3-Pack)627$19Compare
Teralux FN-7478 SE 140mm PWM ARGB Case Fan1,019$39Compare
Teralux FN-7083 Pro 120mm PWM ARGB Case Fan1,400$49Compare
Teralux FN-8663 Core 120mm PWM Case Fan (3-Pack)289$9Compare
Brontix FN-1833 Plus 120mm PWM Case Fan303$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3685 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/1733792 (accessed 2026-10-22).