Hardware Spec Index

Caldera FN-6353 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6353-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index770 (Case Fans scale)
Category rank#38,397
Street price$19
Power4 W
Performance per dollar40.53
Released2022

Specifications

BrandCaldera
ModelCaldera FN-6353 Ultra
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6353 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/4308071 (accessed 2026-10-22).