Hardware Spec Index

Caldera FN-3998 Plus 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3998-PLUS · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index623 (Case Fans scale)
Category rank#20,609
Street price$19
Power3 W
Performance per dollar32.79
Released2021

Specifications

BrandCaldera
ModelCaldera FN-3998 Plus
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3998 Plus 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/8196817 (accessed 2026-10-24).