Hardware Spec Index

Caldera FN-1688 Plus 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1688-PLUS · Released 2019 · Updated 2026-10-18

Key facts

Benchmark index306 (Case Fans scale)
Category rank#36,679
Street price$9
Power3 W
Performance per dollar34.00
Released2019

Specifications

BrandCaldera
ModelCaldera FN-1688 Plus
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1688 Plus 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3028186 (accessed 2026-10-18).