Hardware Spec Index

Caldera FN-4577 SE 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4577-SE · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index240 (Case Fans scale)
Category rank#26,161
Street price$9
Power3 W
Performance per dollar26.67
Released2019

Specifications

BrandCaldera
ModelCaldera FN-4577 SE
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4577 SE 120mm PWM Case Fan”, https://vextor7.com/item/8296352 (accessed 2026-10-20).