Hardware Spec Index

Caldera FN-3921 Plus 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3921-PLUS · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index659 (Case Fans scale)
Category rank#6,146
Street price$19
Power4 W
Performance per dollar34.68
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3921 Plus
Size140 × 140 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3921 Plus 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/91311429 (accessed 2026-10-22).