Hardware Spec Index

Caldera FN-4897 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4897-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index237 (Case Fans scale)
Category rank#43,467
Street price$9
Power3 W
Performance per dollar26.33
Released2022

Specifications

BrandCaldera
ModelCaldera FN-4897 Ultra
Size140 × 140 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4897 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/33032657 (accessed 2026-10-25).