Hardware Spec Index

Caldera FN-3953 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3953-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index761 (Case Fans scale)
Category rank#32,084
Street price$19
Power4 W
Performance per dollar40.05
Released2022

Specifications

BrandCaldera
ModelCaldera FN-3953 Ultra
Size140 × 140 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3953 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/15432181 (accessed 2026-10-26).