Hardware Spec Index

Zephyra FN-4831 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4831-PRIME · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index455 (Case Fans scale)
Category rank#33,190
Street price$19
Power4 W
Performance per dollar23.95
Released2019

Specifications

BrandZephyra
ModelZephyra FN-4831 Prime
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4831 Prime 140mm PWM Case Fan”, https://vextor7.com/item/41311891 (accessed 2026-10-23).