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Corporate · August 6, 2026

Grandstream GWN7721PE Adds 90-Watt PoE++ Port to the GWN7721 Series: What the New Switch Means for PTZ Camera and Wi-Fi 7 Access Point Deployments

A third GWN7721 variant adds a 10GbE PoE++ port and a 130W total power budget for power-hungry endpoints.

By AVinBrief Editorial Desk · · Updated August 12, 2026

What is the Grandstream GWN7721PE and how does it differ from the rest of the GWN7721 Series?
The GWN7721PE is a Layer 2-Lite managed switch that adds a single 10GbE copper port with PoE, PoE+, and PoE++ (IEEE 802.3bt) support to the GWN7721 platform. The series now has three SKUs. The GWN7721 carries 8 × 2.5GbE ports and two 10G SFP+ uplinks with no PoE at all. The GWN7721P adds PoE and PoE+ across those eight 2.5GbE ports at up to 30W per port. The new GWN7721PE replaces one of the two SFP+ uplinks with a 10GbE copper port that can deliver up to 90W to a single powered device. The PE variant is the only member of the series that can supply 802.3bt-class power.
What does the GWN7721PE's port layout look like, and what is the total PoE budget?
The switch ships with 10 total ports, including 8 × 2.5GbE RJ45 ports that each support up to 30W via IEEE 802.3af/at, one 10GbE RJ45 port that supports up to 90W via IEEE 802.3af/at/bt, and one 10G SFP+ uplink port for the backbone connection. Total PoE budget across all nine powered ports is 130W. The SFP+ uplink stays unaffected by PoE draw, which keeps the backbone connection bottleneck-free under full concurrent load.
Which powered devices actually need 90 watts, and why does that matter for an AV or IT installer?
PTZ cameras and Wi-Fi 6/7 access points are the two device classes that most commonly push past the 30W ceiling of standard PoE+. A high-end PTZ camera with pan-tilt motors, integrated IR illumination, and onboard heating for outdoor enclosures can approach or exceed 60W. Wi-Fi 7 multi-radio access points from several manufacturers now carry 802.3bt requirements in the 60W to 90W range. Without a PoE++ port, installers run a separate power supply or a midspan injector to those devices, which adds cost and a point of failure. The GWN7721PE's 10GbE port removes that workaround for one high-draw device per switch, the configuration that fits most small-room or single-zone deployments.
What does PoE Watchdog do, and how does it change day-two management?
PoE Watchdog monitors the link status of each powered device and automatically power-cycles any port whose device stops responding. For a camera or access point that has locked up, a routine failure mode in always-on deployments, this replaces a truck roll with an automatic reboot. Across a hotel property, a school, or a multi-tenant building, fewer on-site visits can materially affect service cost over a one- or two-year support contract.
What Layer 2 and security features does the GWN7721PE carry?
The switch supports port-based VLAN isolation and VLAN transparent mode to segment guest, office, VoIP, and camera traffic. Multi-layer Quality of Service (QoS) covers priority mapping, queue scheduling, and bandwidth control with both DSCP and IEEE 802.1p marking. Security features include IGMP snooping, storm control, DHCP snooping, and loop detection. Spanning Tree Protocol (STP) and Rapid STP (RSTP) provide redundancy and faster convergence. Diagnostic tools include cable testing and port mirroring. Jumbo frame support runs to 9,216 bytes. Switching capacity is 80 Gbps with 40 Gbps non-blocking forwarding throughput.
How is the GWN7721PE managed, and what does it cost?
The switch supports four management paths, including a local web GUI, GDMS Networking (Grandstream's cloud management platform, available at no charge), GWN Manager (an on-premise management option, also free), and the GWN App. The metal enclosure fits a desktop footprint or a rack mount, and a mounting kit is included. The GWN7721PE is available now through Grandstream's worldwide channel partner network. Confirm pricing through those channel partners before speccing.

The Take

Where does the GWN7721PE fit in a real AV infrastructure stack, and what should integrators verify before specifying it?

The GWN7721PE is built for the installation type that keeps coming up in small-to-medium commercial work: a single closet or IDF feeding a mix of IP phones, a PTZ camera or two, one or two Wi-Fi access points, and a handful of workstations. In those rooms the 30W ceiling of standard PoE+ is a recurring constraint, and running a separate power supply to the camera adds cost and a failure point the client will eventually call about.

The 90W port solves that problem for one device per switch. That is the right scope for most single-zone deployments. Integrators specifying multi-PTZ or multi-radio Wi-Fi 7 environments, where two or more 802.3bt devices land in the same closet, will still need a switch with a broader PoE++ port count. The GWN7721PE is not that switch.

Three questions are worth putting to Grandstream before the spec is locked. First, if the total PoE budget is 130W across nine ports, what is the thermal behavior when the 90W port is fully loaded at the same time as all eight 2.5GbE ports near their 30W ceiling? The published budget headroom math puts that scenario near the rated maximum. Second, confirm that the GWN7721PE-specific regulatory certifications (FCC, CE, or UL listing where required) are in hand before specifying into a government, healthcare, or education project with compliance sign-off on the schedule. Third, PoE Watchdog’s automatic power-cycle behavior is a net positive for unattended deployments, but confirm whether cycle events are logged in GDMS and whether alerts can be pushed. A camera rebooted at 2:00 a.m. is operationally different from finding out after the fact.

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