Hardware Spec Index

Zephyra FN-3923 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3923-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index647 (Case Fans scale)
Category rank#14,358
Street price$19
Power3 W
Performance per dollar34.05
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3923 Ultra
Size120 × 120 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3923 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/72049909 (accessed 2026-10-19).