Hardware Spec Index

Caldera FN-7646 Core 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN7646-CORE · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,127 (Case Fans scale)
Category rank#48,936
Street price$39
Power4 W
Performance per dollar28.90
Released2021

Specifications

BrandCaldera
ModelCaldera FN-7646 Core
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-7646 Core 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/19275331 (accessed 2026-10-20).