Hardware Spec Index

Zephyra FN-4778 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4778-ULTRA · Released 2020 · Updated 2026-10-18

Key facts

Benchmark index560 (Case Fans scale)
Category rank#37,019
Street price$19
Power2 W
Performance per dollar29.47
Released2020

Specifications

BrandZephyra
ModelZephyra FN-4778 Ultra
Size120 × 120 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4778 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/10696413 (accessed 2026-10-18).