Hardware Spec Index

Zephyra FN-4839 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4839-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index286 (Case Fans scale)
Category rank#28,280
Street price$9
Power3 W
Performance per dollar31.78
Released2019

Specifications

BrandZephyra
ModelZephyra FN-4839 Ultra
Size120 × 120 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4839 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/82324967 (accessed 2026-10-25).