Hardware Spec Index

Zephyra FN-4856 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4856-PRIME · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index468 (Case Fans scale)
Category rank#9,925
Street price$19
Power3 W
Performance per dollar24.63
Released2022

Specifications

BrandZephyra
ModelZephyra FN-4856 Prime
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4856 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4845841 (accessed 2026-10-21).