Hardware Spec Index

Caldera FN-5691 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN5691-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index1,166 (Case Fans scale)
Category rank#6,973
Street price$39
Power3 W
Performance per dollar29.90
Released2023

Specifications

BrandCaldera
ModelCaldera FN-5691 Ultra
Size140 × 140 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5691 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/5384501 (accessed 2026-10-22).