Hardware Spec Index

Caldera FN-1833 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1833-ULTRA · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index610 (Case Fans scale)
Category rank#49,286
Street price$19
Power4 W
Performance per dollar32.11
Released2026

Specifications

BrandCaldera
ModelCaldera FN-1833 Ultra
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1833 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/21495619 (accessed 2026-10-23).