Hardware Spec Index

Caldera FN-8521 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN8521-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index522 (Case Fans scale)
Category rank#38,403
Street price$19
Power4 W
Performance per dollar27.47
Released2019

Specifications

BrandCaldera
ModelCaldera FN-8521 Ultra
Size120 × 120 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-8521 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7538702 (accessed 2026-10-24).