Hardware Spec Index

Teralux FN-3421 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3421-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index1,368 (Case Fans scale)
Category rank#10,112
Street price$49
Power3 W
Performance per dollar27.92
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3421 Ultra
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3421 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/74895580 (accessed 2026-10-22).