Hardware Spec Index

Caldera FN-4253 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4253-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index283 (Case Fans scale)
Category rank#38,603
Street price$9
Power2 W
Performance per dollar31.44
Released2019

Specifications

BrandCaldera
ModelCaldera FN-4253 Ultra
Size140 × 140 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 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-4253 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3628190 (accessed 2026-10-22).