Hardware Spec Index

Caldera FN-6520 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6520-PRIME · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index666 (Case Fans scale)
Category rank#45,360
Street price$19
Power4 W
Performance per dollar35.05
Released2025

Specifications

BrandCaldera
ModelCaldera FN-6520 Prime
Size140 × 140 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6520 Prime 140mm PWM Case Fan”, https://vextor7.com/item/20091461 (accessed 2026-10-26).