Hardware Spec Index

Caldera FN-1654 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1654-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index561 (Case Fans scale)
Category rank#36,782
Street price$19
Power3 W
Performance per dollar29.53
Released2024

Specifications

BrandCaldera
ModelCaldera FN-1654 Ultra
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1654 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/689829 (accessed 2026-10-26).