Hardware Spec Index

Caldera FN-6521 Prime 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN6521-PRIME · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index1,162 (Case Fans scale)
Category rank#4,494
Street price$39
Power4 W
Performance per dollar29.79
Released2022

Specifications

BrandCaldera
ModelCaldera FN-6521 Prime
Size120 × 120 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6521 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/4640832 (accessed 2026-10-23).