Hardware Spec Index

Teralux FN-4257 XT 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN4257-XT · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index325 (Case Fans scale)
Category rank#20,158
Street price$9
Power3 W
Performance per dollar36.11
Released2024

Specifications

BrandTeralux
ModelTeralux FN-4257 XT
Size120 × 120 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4257 XT 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/51450556 (accessed 2026-10-20).