Hardware Spec Index

Zephyra FN-6521 Pro 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN6521-PRO · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index753 (Case Fans scale)
Category rank#47,528
Street price$19
Power4 W
Performance per dollar39.63
Released2023

Specifications

BrandZephyra
ModelZephyra FN-6521 Pro
Size120 × 120 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6521 Pro 120mm PWM Case Fan”, https://vextor7.com/item/9248 (accessed 2026-10-19).