Hardware Spec Index

Caldera FN-1633 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1633-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index246 (Case Fans scale)
Category rank#40,218
Street price$9
Power3 W
Performance per dollar27.33
Released2022

Specifications

BrandCaldera
ModelCaldera FN-1633 Ultra
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1633 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7575166 (accessed 2026-10-19).