Hardware Spec Index

Teralux FN-4855 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN4855-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index825 (Case Fans scale)
Category rank#21,070
Street price$19
Power3 W
Performance per dollar43.42
Released2025

Specifications

BrandTeralux
ModelTeralux FN-4855 Ultra
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4855 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/92374974 (accessed 2026-10-19).