- 24 × 1G Ultra90 PoE++ (802.3bt) ports delivering up to 90 W per port for high‑power PoE devices.
- 1,440 W total PoE budget, allowing simultaneous powering of many devices.
- 2 × 1G Gigabit RJ45 ports for additional network connectivity.
- 4 × Gigabit SFP ports for flexible fibre uplink or backbone connections.
- Advanced Layer 2/Layer 3 switching for VLANs, routing, QoS, and ACLs.
- Dedicated AV‑friendly GUI & color port profiles supporting Dante, Q‑SYS, AES67, AVB, etc.
- Enhanced multicast automation (NETGEAR IGMP Plus™) for AV over IP deployments.
- Rack‑mountable 1U design with selectable fan modes and flexible mounting options.
Specifications
| Model Name | M4250‑26G4F‑PoE++ (GSM4230UP) |
| Total Ports | 30 (24×1G PoE++, 2×1G, 4×SFP) |
| PoE++ Ports | 24 × 10/100/1000 RJ45 (Ultra90 PoE++, 802.3bt) |
| PoE Budget | 1,440 W total (dual PSU) |
| Non‑PoE Ports | 2 × 1G RJ45 |
| Uplink Ports | 4 × 1G SFP |
| Primary Port Speed | 1 Gigabit |
| Switch Fabric | 60 Gbps non‑blocking |
| PoE per Port | Up to 90 W (802.3bt) |
| Multicast Support | Enhanced IGMP Plus™ |
| Jumbo Frame Support | Up to 12 KB |
| Management Interfaces | Web GUI, SNMP, CLI, console (USB‑C/RJ45) |
| AVB Support | Yes (license required) |
| Dimensions (WxDxH) | 440 × 400 × 43.2 mm |
| Weight | ~6.75 kg |
| Acoustics / Fan Mode | Fanless or ~60 dB @ 25 °C |



