Hardware Spec Index

Caldera FN-8640 Core 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN8640-CORE · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#16,812
Street price$49
Power3 W
Performance per dollar28.57
Released2026

Specifications

BrandCaldera
ModelCaldera FN-8640 Core
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise23 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-8640 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/72430 (accessed 2026-10-21).