Hardware Spec Index

Caldera FN-5991 Ti 140mm PWM Case Fan

Case Fans · Caldera · SKU FN5991-TI · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index396 (Case Fans scale)
Category rank#48,587
Street price$9
Power3 W
Performance per dollar44.00
Released2024

Specifications

BrandCaldera
ModelCaldera FN-5991 Ti
Size140 × 140 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5991 Ti 140mm PWM Case Fan”, https://vextor7.com/item/89450967 (accessed 2026-10-25).