Hardware Spec Index

Caldera FN-4520 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4520-PRIME · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index222 (Case Fans scale)
Category rank#33,336
Street price$9
Power3 W
Performance per dollar24.67
Released2022

Specifications

BrandCaldera
ModelCaldera FN-4520 Prime
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4520 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4497379 (accessed 2026-10-20).