Hardware Spec Index

Zephyra FN-4540 Prime 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4540-PRIME · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index1,104 (Case Fans scale)
Category rank#16,523
Street price$39
Power3 W
Performance per dollar28.31
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4540 Prime
Size120 × 120 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4540 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/16733136 (accessed 2026-10-21).