Hardware Spec Index

Zephyra FN-8521 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN8521-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index332 (Case Fans scale)
Category rank#2,947
Street price$19
Power4 W
Performance per dollar17.47
Released2025

Specifications

BrandZephyra
ModelZephyra FN-8521 Ultra
Size120 × 120 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-8521 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/12817152 (accessed 2026-10-24).