Hardware Spec Index

Zephyra FN-2978 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN2978-ULTRA · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index1,144 (Case Fans scale)
Category rank#27,452
Street price$39
Power3 W
Performance per dollar29.33
Released2019

Specifications

BrandZephyra
ModelZephyra FN-2978 Ultra
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-2978 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7945758 (accessed 2026-10-21).