Hardware Spec Index

Zephyra FN-4090 Plus 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4090-PLUS · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index546 (Case Fans scale)
Category rank#42,695
Street price$19
Power3 W
Performance per dollar28.74
Released2023

Specifications

BrandZephyra
ModelZephyra FN-4090 Plus
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-1429 Ti 140mm PWM ARGB Case Fan1,048$29Compare
Corvane FN-1651 SE 120mm PWM ARGB Case Fan (3-Pack)1,400$49Compare
Brontix FN-5193 Max 120mm PWM Case Fan277$9Compare
Zephyra FN-8789 Edge 120mm PWM ARGB Case Fan791$19Compare
Corvane FN-1207 SE 140mm PWM ARGB Case Fan (3-Pack)1,159$49Compare
Brontix FN-8731 Pro 120mm PWM Case Fan (3-Pack)794$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-4090 Plus 120mm PWM Case Fan”, https://vextor7.com/item/92634986 (accessed 2026-10-26).