Hardware Spec Index

Caldera FN-3948 Max 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3948-MAX · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index383 (Case Fans scale)
Category rank#15,091
Street price$19
Power3 W
Performance per dollar20.16
Released2022

Specifications

BrandCaldera
ModelCaldera FN-3948 Max
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3948 Max 140mm PWM Case Fan”, https://vextor7.com/item/3907610 (accessed 2026-10-24).