Hardware Spec Index

Caldera FN-6851 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6851-PRIME · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index219 (Case Fans scale)
Category rank#9,036
Street price$9
Power3 W
Performance per dollar24.33
Released2021

Specifications

BrandCaldera
ModelCaldera FN-6851 Prime
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6851 Prime 140mm PWM Case Fan”, https://vextor7.com/item/11549262 (accessed 2026-10-24).