Hardware Spec Index

Caldera FN-4640 SE 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4640-SE · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index1,071 (Case Fans scale)
Category rank#32,305
Street price$39
Power3 W
Performance per dollar27.46
Released2025

Specifications

BrandCaldera
ModelCaldera FN-4640 SE
Size140 × 140 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4640 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/13734752 (accessed 2026-10-22).