Hardware Spec Index

Caldera FN-4791 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4791-PRO · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index686 (Case Fans scale)
Category rank#1,520
Street price$19
Power3 W
Performance per dollar36.11
Released2023

Specifications

BrandCaldera
ModelCaldera FN-4791 Pro
Size120 × 120 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4791 Pro 120mm PWM Case Fan”, https://vextor7.com/item/62815972 (accessed 2026-10-22).