Hardware Spec Index

Zephyra FN-4747 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4747-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index636 (Case Fans scale)
Category rank#45,704
Street price$19
Power3 W
Performance per dollar33.47
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4747 Ultra
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4747 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/7628402 (accessed 2026-10-21).