Hardware Spec Index

Caldera FN-1688 Plus 140mm PWM Case Fan

Case Fans · Caldera · SKU FN1688-PLUS · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index399 (Case Fans scale)
Category rank#33,425
Street price$19
Power4 W
Performance per dollar21.00
Released2019

Specifications

BrandCaldera
ModelCaldera FN-1688 Plus
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1688 Plus 140mm PWM Case Fan”, https://vextor7.com/item/1534482 (accessed 2026-10-22).