Hardware Spec Index

Zephyra FN-4721 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4721-PRO · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,162 (Case Fans scale)
Category rank#37,619
Street price$39
Power4 W
Performance per dollar29.79
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4721 Pro
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4721 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/8424652 (accessed 2026-10-24).