Hardware Spec Index

Teralux FN-5921 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN5921-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,039 (Case Fans scale)
Category rank#10,950
Street price$29
Power3 W
Performance per dollar35.83
Released2025

Specifications

BrandTeralux
ModelTeralux FN-5921 Ultra
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-5921 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/10733596 (accessed 2026-10-21).