Hardware Spec Index

Zephyra FN-4978 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4978-PRIME · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index265 (Case Fans scale)
Category rank#35,653
Street price$9
Power4 W
Performance per dollar29.44
Released2025

Specifications

BrandZephyra
ModelZephyra FN-4978 Prime
Size120 × 120 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4978 Prime 120mm PWM Case Fan”, https://vextor7.com/item/7499145 (accessed 2026-10-21).