NETGEAR AV LINE 40x1G Ultra 90 PoE++ 802.3bt 2,880W and 8xSFP+ Managed Switch (Preconfigured GSM4248UX-100NAS)

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Switching engineered for 1G AV over IP with rear-facing ports ensuring a clean integration in AV racks. Pre-configured for out of the box functionality!

Introducing the NETGEAR AV Line of M4250 Switches, developed and engineered for audio/video professionals with dedicated service and support. M4250 has been built from the ground up for the growing AV over IP market, combining years of networking expertise in AV with M4300 and M4500 series with best practices from leading experts in the professional AV market. AV codecs generally use 1Gbps or 10Gbps per stream and the AV Line of M4250 targets the widespread 1Gbps codecs.

PoE+, Ultra90 PoE++ and rear-facing ports ensure a clean integration in AV racks. M4250 switches come pre-configured for standard audio and video signals. When requirements are more specific, an AV user interface offers customization with port-based profiles. For audio Dante, Q-SYS and AES67 profiles are available, as well as an AVB profile requiring an AVB license sold separately. For video the M4250 offers profiles for NVX, AMX, Q-SYS, NDI, Dante etc. as well as audio/ video/control mixed profiles. When multiple switches are used, NETGEAR IGMP PlusTM brings automation for you to just connect them together, or with M4300 and M4500 switches.


  • 40-port 10/100/1000BASE-T (RJ45) Ultra90 PoE++ with 2,880W PoE budget
  • 8-port 1000/10GBASE-X (SFP+)
  • Compatible 802.3af (15.4W), 802.3at (30W), 802.3bt (60, 75 and 90W)
  • 3 internal, fixed PSUs (C14 inlets) with embedded RPS/EPS function
  • When one PSU is used, PoE budget is 720W
  • When two PSU are used, PoE budget is 1,650W
  • When three PSU are used, PoE budget is 2,880W
  • 240 Gbps non-blocking fabric across 48 ports
  • Out-of-band 1G Ethernet management port
  • USB-C and RJ45 RS232 console ports and USB-A storage port
  • Front black display panel and all ports in the back
  • Possible reversed mounting with ports in the front
  • Rack-mounting standard brackets
  • Longer brackets for recessed mounting (2 inches / 5 cm)
  • Threaded hole in front (1xM10) for clamps
  • Threaded holes on the bottom (4xM5) for 50x100mm VESA plates
  • Selectable fan modes for quiet or cool operation

Tech Specifications

Primary Port Speed 1 Gigabit
Number of Ports 48 (40x 1G PoE++, 8x SFP+)
PoE Ports / Budget 40 PoE++ (90W/port), 2,880W Budget
IGMP Support Enhanced (NETGEAR IGMP Plus™)
Jumbo Frame Support Yes, up to 12kb
AVB Support Yes. Electronic license required, activation key sent via email (AVB4248UX-10000S).
Acoustics Fanless or 60dB@25°C
Power Consumption Single AC With PoE: 912W/3113.57Btu/hr
Dual AC With PoE: 1998W/6821.17Btu/hr
Tripple AC With PoE: 3523W/12027.52Btu/hr
Without PoE: 82.6W/282Btu/hr
Standby without any port connection: 68.5W/233.86Btu/hr
Third party support Domotz
Dimensions (WxDxH) 440 x 350 x 86.4 mm 2U
Weight 9.76Kg (21.51lb)




  • NET-M4250-40G8XF-PoE++PC
  • Power cord(s)
  • Console USB Type-C and RJ45-DB9 cables
  • Rack-mounting standard brackets
  • Longer brackets for recessed mounting
  • Rubber footpads for tabletop installation
  • Installation guide