Hardware Spec Index

Caldera FN-4650 Plus 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4650-PLUS · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index811 (Case Fans scale)
Category rank#38,679
Street price$29
Power3 W
Performance per dollar27.97
Released2019

Specifications

BrandCaldera
ModelCaldera FN-4650 Plus
Size140 × 140 × 25 mm
Speed300–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4650 Plus 140mm PWM Case Fan”, https://vextor7.com/item/62813450 (accessed 2026-10-22).