Hardware Spec Index

Caldera FN-6520 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6520-PRO · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index774 (Case Fans scale)
Category rank#3,811
Street price$29
Power3 W
Performance per dollar26.69
Released2024

Specifications

BrandCaldera
ModelCaldera FN-6520 Pro
Size140 × 140 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6520 Pro 140mm PWM Case Fan”, https://vextor7.com/item/628551 (accessed 2026-10-19).