The HiSecEngine USG6655F is a flagship 1U rack-mount AI firewall in the USG6600F series, and a high-performance mainstay model for large enterprises, data centers, and carrier networks.

Its key features include a 16-core 2.0GHz high-performance CPU and 32GB of memory, standard dual power supply redundancy, a throughput of up to 80 Gbps, and fixed interfaces including 10 10GE SFP+ 10 Gigabit optical ports, 8 GE COMBO ports, 4 GE electrical ports, and 4 GE optical ports. It integrates intrusion prevention (IPS), antivirus (AV), URL filtering, and other AI security functions, making it ideal as a core egress point for large enterprises, a data center security gateway, or edge protection for carrier networks.

The HiSecEngine USG6650F-K is a high-performance rack-mount AI firewall in the USG6600F series, and a flagship mid-to-high-end model in the series designed for medium-sized enterprises and data center scenarios.

Its key features include a 16-core 2.0GHz high-performance CPU and 32GB of RAM, standard dual power supply redundancy, and a throughput of up to 80 Gbps. It integrates multiple AI security functions such as Intrusion Prevention System (IPS), Antivirus (AV), and URL filtering, making it ideal as a core egress point for medium-sized enterprises or a security gateway for small to medium-sized data centers.

The USG6686F is the flagship AI firewall (1U) in the USG6600F series, positioned for core perimeter protection in large enterprises/data centers, offering multi-link 10 Gigabit/25G/100G high-speed interconnection and comprehensive threat protection. Key features include: ultra-high performance, high-density high-speed interfaces, AI intelligent defense, dual power supply redundancy, and integrated security.

The HiSecEngine USG6656F is the top-of-the-line 100G flagship AI firewall in the USG6600F series, an ultra-high-speed enhanced version of the USG6655F. It features a 1U rack-mount design, natively integrating 100G/40G/25G high-speed interfaces, and a built-in Ascend AI chip with a multi-core NP hardware acceleration architecture. It boasts 90Gbps throughput, 32 million concurrent connections, and full-rate mixed ports, specifically designed for ultra-large data centers, cloud service providers, core backbone networks of financial institutions/carriers, and large enterprise headquarters, meeting the ultra-high-speed, high-density access and advanced threat protection needs of the 5G/cloud era.

The HiSecEngine USG6636F is the flagship high-performance AI firewall in the USG6600F series, an upgraded and enhanced version of the USG6635F. It features a 1U rack-mount design, adds 100G/40G/25G ultra-high-speed interfaces, and integrates an Ascend AI chip. It boasts 40Gbps throughput, 20 million concurrent connections, and full-rate mixed ports, specifically designed for ultra-large enterprise headquarters, large data centers, cloud service provider boundaries, and core backbone networks of financial institutions and telecom operators, meeting the ultra-high-speed, high-density access and advanced threat protection needs of the 5G/cloud era.

The HiSecEngine USG6635F is the mid-to-high-end flagship AI firewall in the USG6600F series. It adopts a 1U rack-mount design, integrates an Ascend AI chip and a multi-core hardware acceleration architecture, and boasts a powerful configuration with 35Gbps throughput, 20 million concurrent connections, and 10 10 Gigabit optical ports. It is designed for high-bandwidth and high-reliability scenarios such as large enterprise headquarters, medium-sized data centers, financial core networks, and government extranet boundaries, providing full-stack threat protection and microsecond-level forwarding capabilities.

The HiSecEngine USG6625F is the next-generation AI firewall in the USG6600F series. It adopts a 1U compact rack-mount design, integrates an Ascend AI acceleration chip, and focuses on high throughput, high concurrency, and easy expansion. It is suitable for medium and large enterprise headquarters, data center exits, and core business areas of finance/internet, supporting 10 Gigabit network boundary security and high-density terminal access.

The USG6620F is a mid-to-high-end AI-powered next-generation firewall in the USG6600F series, positioned as a 10 Gigabit security gateway for large enterprises, data centers, and campus cores. It features a 1U rack-mount design, 18Gbps firewall throughput, rich interfaces (10×10GE SFP+ + 8×GE COMBO), and a built-in AI intelligent detection engine. It boasts high concurrency, low latency, and strong scalability, making it suitable for core scenarios such as 10 Gigabit campus exits, data center boundaries, and high-density Wi-Fi 6/7 networking. It can support the secure and stable operation of a 6000-person enterprise network.

The HiSecEngine USG6615F, part of the USG6600F series, is a 10 Gigabit AI firewall designed for large enterprises, data centers, and industry cores. Its compact 1U rack-mount design integrates 15Gbps firewall throughput and a rich array of interfaces including a 10 Gigabit fiber port and a Gigabit COMBO. Equipped with an Adaptive Security Engine (ASE) and NP hardware acceleration, it boasts low latency, high concurrency, and robust security capabilities. Adaptable to core scenarios such as high-density wireless, data center perimeters, and multi-branch interconnects, it can support secure and stable operation at the egress point of a 5000-person campus/enterprise.

The USG6590F-K is a high-end AI-powered next-generation firewall (NGFW) in the USG6500F series, positioned as a perimeter security gateway for medium to large enterprises, data centers, and industry cores. It's a 1U rack-mount device with 16Gbps firewall throughput, a performance upgrade from the USG6585F. It integrates a 10 Gigabit optical port and a Gigabit combo port, and features built-in AI threat detection, VPN, IPS/AV, and Anti-DDoS integrated security capabilities, making it suitable for high-concurrency security scenarios such as 10 Gigabit campus exits, data center boundaries, and high-density wireless networking.

The USG6585F is a mid-range AI-powered next-generation firewall (NGFW) in the USG6500F series, positioned as a boundary security gateway for medium to large enterprises, government agencies, and financial institutions. It features a 1U rack-mount design, 9Gbps ​​firewall throughput, integrated 10 Gigabit optical ports + Gigabit combo ports, and built-in AI threat detection, VPN, IPS/AV, and Anti-DDoS integrated security capabilities, making it suitable for high-concurrency security scenarios such as campus exits, data center boundaries, and branch interconnections.

The HiSecEngine USG6565F is a high-end 1U rack-mount AI firewall in the USG6500F series. Positioned for core scenarios involving 10 Gigabit Ethernet, high density, and high concurrency, such as headquarters of medium to large enterprises, data center boundaries, and multi-carrier leased line aggregation, it integrates full-stack security capabilities and AI intelligent detection. It is a leading model for building high-performance core security gateways that comply with the Cybersecurity Classified Protection 2.0 standard.