Hardware Spec Index

Teralux FN-4577 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN4577-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index708 (Case Fans scale)
Category rank#47,324
Street price$19
Power3 W
Performance per dollar37.26
Released2024

Specifications

BrandTeralux
ModelTeralux FN-4577 Ultra
Size120 × 120 × 25 mm
Speed400–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4577 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/6729302 (accessed 2026-10-23).