Hardware Spec Index

Zephyra FN-3866 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3866-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index659 (Case Fans scale)
Category rank#27,027
Street price$19
Power4 W
Performance per dollar34.68
Released2019

Specifications

BrandZephyra
ModelZephyra FN-3866 Ultra
Size120 × 120 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-6468 Edge 120mm PWM Case Fan (3-Pack)347$9Compare
Zephyra FN-9475 Max 120mm PWM Case Fan733$19Compare
Teralux FN-4491 XT 120mm PWM ARGB Case Fan (3-Pack)1,107$39Compare
Corvane FN-2927 Ultra 120mm PWM Case Fan503$19Compare
Brontix FN-8184 Ti 120mm PWM ARGB Case Fan1,081$29Compare
Teralux FN-5662 Max 140mm PWM Case Fan684$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3866 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/5559976 (accessed 2026-10-23).