Hardware Spec Index

Teralux FN-4857 Pro 140mm PWM Case Fan

Case Fans · Teralux · SKU FN4857-PRO · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index581 (Case Fans scale)
Category rank#40,057
Street price$19
Power4 W
Performance per dollar30.58
Released2022

Specifications

BrandTeralux
ModelTeralux FN-4857 Pro
Size140 × 140 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4857 Pro 140mm PWM Case Fan”, https://vextor7.com/item/21522195 (accessed 2026-10-24).