Hardware Spec Index

Zephyra FN-9121 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN9121-ULTRA · Released 2023 · Updated 2026-10-27

Key facts

Benchmark index649 (Case Fans scale)
Category rank#14,354
Street price$19
Power3 W
Performance per dollar34.16
Released2023

Specifications

BrandZephyra
ModelZephyra FN-9121 Ultra
Size120 × 120 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9121 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/46432450 (accessed 2026-10-27).