Hardware Spec Index

Caldera FN-9748 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN9748-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index489 (Case Fans scale)
Category rank#18,640
Street price$19
Power3 W
Performance per dollar25.74
Released2020

Specifications

BrandCaldera
ModelCaldera FN-9748 Ultra
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9748 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/6387396 (accessed 2026-10-25).