Hardware Spec Index

Zephyra FN-7921 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN7921-PRO · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index646 (Case Fans scale)
Category rank#39,398
Street price$19
Power4 W
Performance per dollar34.00
Released2021

Specifications

BrandZephyra
ModelZephyra FN-7921 Pro
Size120 × 120 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-7921 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3883441 (accessed 2026-10-21).