Hardware Spec Index

Caldera FN-1851 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN1851-PRIME · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index428 (Case Fans scale)
Category rank#37,126
Street price$9
Power3 W
Performance per dollar47.56
Released2019

Specifications

BrandCaldera
ModelCaldera FN-1851 Prime
Size140 × 140 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1851 Prime 140mm PWM Case Fan”, https://vextor7.com/item/21752159 (accessed 2026-10-25).