Hardware Spec Index

Teralux FN-1857 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN1857-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index550 (Case Fans scale)
Category rank#41,383
Street price$19
Power4 W
Performance per dollar28.95
Released2021

Specifications

BrandTeralux
ModelTeralux FN-1857 Ultra
Size120 × 120 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-1857 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/19360992 (accessed 2026-10-20).