It seems to be a durable, stable product.
Sangfor NGAF offers 24/7 technical support and quick response times alongside features like VPN connectivity, WAN optimization, and comprehensive security capabilities such as ransomware detection. Its affordability surpasses Sophos, Fortinet, and SonicWall, while strong integration ensures network management. Despite needing more ports and enhanced provisioning, its few security breaches are rapidly resolved. However, licensing costs are high, and further research development is necessary for improvement.