Hardware Spec Index

Zephyra FN-3806 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3806-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index401 (Case Fans scale)
Category rank#5,553
Street price$19
Power4 W
Performance per dollar21.11
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3806 Ultra
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-9399 Core 120mm PWM Case Fan723$19Compare
Zephyra FN-4085 SE 140mm PWM ARGB Case Fan (3-Pack)1,084$39Compare
Caldera FN-2178 Ti 120mm PWM ARGB Case Fan985$29Compare
Teralux FN-7772 Ultra 120mm PWM Case Fan643$19Compare
Corvane FN-1598 Ti 120mm PWM ARGB Case Fan (3-Pack)1,340$39Compare
Zephyra FN-8406 SE 120mm PWM Case Fan416$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3806 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/7709258 (accessed 2026-10-21).