Hardware Spec Index

Caldera FN-6540 Prime 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6540-PRIME · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index846 (Case Fans scale)
Category rank#34,923
Street price$29
Power4 W
Performance per dollar29.17
Released2021

Specifications

BrandCaldera
ModelCaldera FN-6540 Prime
Size120 × 120 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6540 Prime 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/4510592 (accessed 2026-10-25).