Hardware Spec Index

Caldera FN-2306 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN2306-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index323 (Case Fans scale)
Category rank#35,320
Street price$9
Power3 W
Performance per dollar35.89
Released2021

Specifications

BrandCaldera
ModelCaldera FN-2306 Ultra
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2306 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/3734701 (accessed 2026-10-22).