Hardware Spec Index

Caldera FN-2691 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN2691-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index421 (Case Fans scale)
Category rank#30,273
Street price$9
Power2 W
Performance per dollar46.78
Released2021

Specifications

BrandCaldera
ModelCaldera FN-2691 Ultra
Size140 × 140 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2691 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/19801151 (accessed 2026-10-24).