Hardware Spec Index

Caldera FN-2684 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN2684-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index464 (Case Fans scale)
Category rank#4,779
Street price$19
Power4 W
Performance per dollar24.42
Released2021

Specifications

BrandCaldera
ModelCaldera FN-2684 Ultra
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2684 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/2485102 (accessed 2026-10-25).