Hardware Spec Index

Zephyra FN-6540 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN6540-ULTRA · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#12,168
Street price$49
Power4 W
Performance per dollar28.57
Released2024

Specifications

BrandZephyra
ModelZephyra FN-6540 Ultra
Size140 × 140 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6540 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/635785 (accessed 2026-10-21).