Hardware Spec Index

Zephyra FN-2477 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN2477-ULTRA · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index540 (Case Fans scale)
Category rank#48,296
Street price$19
Power3 W
Performance per dollar28.42
Released2020

Specifications

BrandZephyra
ModelZephyra FN-2477 Ultra
Size120 × 120 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-5139 XT 120mm PWM Case Fan400$9Compare
Teralux FN-2739 Ti 140mm PWM Case Fan322$9Compare
Zephyra FN-7142 XT 140mm PWM Case Fan577$19Compare
Teralux FN-4444 SE 120mm PWM ARGB Case Fan (3-Pack)1,020$29Compare
Brontix FN-8661 Prime 140mm PWM ARGB Case Fan907$29Compare
Teralux FN-8442 Edge 140mm PWM Case Fan779$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-2477 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/8769023 (accessed 2026-10-23).