🧠 Product Overview
The Grandstream GWN7821P is a Layer 3 multi-gigabit managed PoE++ switch designed for scalable, secure, and high-performance business networks. It delivers robust switching performance with flexible management options and advanced networking features for enterprise deployments.
🔧 Key Features
- 8 × 2.5 GbE RJ45 ports with PoE++ support (up to 60 W per port, total 240 W) — powers IP phones, APs, cameras, and other PoE devices.
- 2 × 10 Gb SFP+ ports for high-speed uplinks or fiber connections.
- Layer 3 switching with 80 Gb/s switching capacity and ~59.52 Mpps forwarding rate.
- Advanced VLAN & QoS for traffic segmentation and prioritization.
- IPv4/IPv6 support and robust security features (ACLs, DoS protection, storm control).
- Stacking support (up to 4 units) for simplified management and redundancy.
- Multiple management options: Web UI, CLI, cloud with GDMS Networking, and GWN Manager.
📊 Technical Specifications
| Feature | Specification |
|---|---|
| Ethernet Ports | 8 × 2.5 GbE RJ45 PoE++ |
| SFP+ Uplinks | 2 × 10 Gb |
| PoE Budget | 240 W total (60 W per port) |
| Switching Capacity | 80 Gb/s |
| Forwarding Rate | 59.52 Mpps |
| Management | Web UI, CLI, GDMS, GWN Manager |
| Security | ACL, DoS protection, storm control |
| Stacking | Yes (up to 4) |
| Protocols | IPv4, IPv6, VLAN, QoS |
| Mounting | Rack or desktop |
| Certifications | FCC, CE, IC, RCM, UKCA |
📦 Ideal For
- Medium and large enterprise networks
- VoIP deployments with PoE-powered endpoints
- High-speed uplinks with SFP+ fiber connections
- Managed network environments requiring advanced VLAN and QoS
🔗 Useful Official Links
- Grandstream Product Page: Grandstream GWN7821P Official Page
- Grandstream Press Release: Grandstream Layer 3 Switches Announcement

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