Hardware Spec Index

Caldera FN-5223 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5223-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index372 (Case Fans scale)
Category rank#17,602
Street price$9
Power4 W
Performance per dollar41.33
Released2026

Specifications

BrandCaldera
ModelCaldera FN-5223 Ultra
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5223 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4374848 (accessed 2026-10-25).