Hardware Spec Index

Caldera FN-4491 Core 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4491-CORE · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index331 (Case Fans scale)
Category rank#4,396
Street price$9
Power4 W
Performance per dollar36.78
Released2025

Specifications

BrandCaldera
ModelCaldera FN-4491 Core
Size120 × 120 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4491 Core 120mm PWM Case Fan”, https://vextor7.com/item/8756480 (accessed 2026-10-21).