Hardware Spec Index

Teralux FN-9121 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN9121-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index415 (Case Fans scale)
Category rank#34,128
Street price$19
Power4 W
Performance per dollar21.84
Released2021

Specifications

BrandTeralux
ModelTeralux FN-9121 Ultra
Size140 × 140 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9121 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/22013919 (accessed 2026-10-22).