Hardware Spec Index

Caldera FN-5643 Prime 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN5643-PRIME · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index998 (Case Fans scale)
Category rank#29,542
Street price$29
Power2 W
Performance per dollar34.41
Released2020

Specifications

BrandCaldera
ModelCaldera FN-5643 Prime
Size140 × 140 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5643 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/1691024 (accessed 2026-10-19).