Hardware Spec Index

Zephyra FN-2904 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN2904-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index768 (Case Fans scale)
Category rank#37,092
Street price$19
Power4 W
Performance per dollar40.42
Released2020

Specifications

BrandZephyra
ModelZephyra FN-2904 Ultra
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise28 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-6105 Ultra 120mm PWM ARGB Case Fan1,072$29Compare
Brontix FN-2246 Edge 120mm PWM Case Fan748$19Compare
Zephyra FN-3888 Ultra 120mm PWM ARGB Case Fan1,400$49Compare
Zephyra FN-3294 Max 120mm PWM ARGB Case Fan1,132$39Compare
Teralux FN-1756 SE 120mm PWM Case Fan (3-Pack)233$9Compare
Brontix FN-4048 Ultra 120mm PWM ARGB Case Fan1,198$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-2904 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/20160144 (accessed 2026-10-19).