Hardware Spec Index

Caldera FN-4057 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4057-PRIME · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index229 (Case Fans scale)
Category rank#44,160
Street price$9
Power3 W
Performance per dollar25.44
Released2024

Specifications

BrandCaldera
ModelCaldera FN-4057 Prime
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4057 Prime 140mm PWM Case Fan”, https://vextor7.com/item/91585371 (accessed 2026-10-23).