Hardware Spec Index

Caldera FN-4991 Ti 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4991-TI · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index1,166 (Case Fans scale)
Category rank#7,880
Street price$39
Power3 W
Performance per dollar29.90
Released2019

Specifications

BrandCaldera
ModelCaldera FN-4991 Ti
Size140 × 140 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4991 Ti 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/33334110 (accessed 2026-10-20).