Hardware Spec Index

Caldera FN-4057 Max 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4057-MAX · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index259 (Case Fans scale)
Category rank#16,960
Street price$9
Power4 W
Performance per dollar28.78
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4057 Max
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4057 Max 140mm PWM Case Fan”, https://vextor7.com/item/2928366 (accessed 2026-10-19).