Hardware Spec Index

Caldera FN-4646 Core 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4646-CORE · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index536 (Case Fans scale)
Category rank#44,909
Street price$19
Power4 W
Performance per dollar28.21
Released2021

Specifications

BrandCaldera
ModelCaldera FN-4646 Core
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4646 Core 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/21789222 (accessed 2026-10-25).