Hardware Spec Index

Caldera FN-5923 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN5923-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index273 (Case Fans scale)
Category rank#44,052
Street price$9
Power3 W
Performance per dollar30.33
Released2023

Specifications

BrandCaldera
ModelCaldera FN-5923 Ultra
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5923 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/74898513 (accessed 2026-10-22).