Hardware Spec Index

Caldera FN-4521 Core 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4521-CORE · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,215 (Case Fans scale)
Category rank#8,555
Street price$39
Power4 W
Performance per dollar31.15
Released2022

Specifications

BrandCaldera
ModelCaldera FN-4521 Core
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4521 Core 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/5883752 (accessed 2026-10-20).