Hardware Spec Index

Caldera FN-6591 Plus 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6591-PLUS · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index554 (Case Fans scale)
Category rank#26,751
Street price$19
Power4 W
Performance per dollar29.16
Released2021

Specifications

BrandCaldera
ModelCaldera FN-6591 Plus
Size140 × 140 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6591 Plus 140mm PWM Case Fan”, https://vextor7.com/item/93678950 (accessed 2026-10-22).