Hardware Spec Index

Caldera FN-6553 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6553-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index463 (Case Fans scale)
Category rank#31,920
Street price$19
Power4 W
Performance per dollar24.37
Released2023

Specifications

BrandCaldera
ModelCaldera FN-6553 Ultra
Size140 × 140 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6553 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/54893972 (accessed 2026-10-23).