Hardware Spec Index

Caldera FN-1891 Core 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1891-CORE · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index295 (Case Fans scale)
Category rank#9,046
Street price$9
Power4 W
Performance per dollar32.78
Released2020

Specifications

BrandCaldera
ModelCaldera FN-1891 Core
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1891 Core 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1973242 (accessed 2026-10-21).