Hardware Spec Index

Zephyra FN-4981 Ultra 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4981-ULTRA · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,357 (Case Fans scale)
Category rank#9,029
Street price$49
Power3 W
Performance per dollar27.69
Released2022

Specifications

BrandZephyra
ModelZephyra FN-4981 Ultra
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4981 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/16627740 (accessed 2026-10-21).