Hardware Spec Index

Zephyra FN-4321 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4321-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index265 (Case Fans scale)
Category rank#28,380
Street price$9
Power3 W
Performance per dollar29.44
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4321 Ultra
Size120 × 120 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4321 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7714993 (accessed 2026-10-24).