Hardware Spec Index

Caldera FN-3921 Ti 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3921-TI · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index348 (Case Fans scale)
Category rank#49,915
Street price$9
Power4 W
Performance per dollar38.67
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3921 Ti
Size140 × 140 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3921 Ti 140mm PWM Case Fan”, https://vextor7.com/item/96520107 (accessed 2026-10-21).