Fast, Easy, Configuration for AV Pros
A streamlined interface enables factory default AV settings or user-specified AV profiles to be assigned to individual ports with just a few clicks.

Focus on The Event Not Fan Noise
Most models have quiet mode which greatly reduces fan noise, and some models are even fanless.

Designed for AV Over IP right out of the box
With built-in NETGEAR IGMP Plus™, there's little-to-no setup required for flawless Video over IP delivery. Enable multicasting right out of the box.

Refined Design Provides Mounting Flexibility
Clean lines and port activity status is featured in the front of the switch, while cabling is neatly in the back. Universal mounting options allow VESA mounting or in standard racks.

Primary Port Speed : 1 Gigabit
Number of Ports : 48 (40x 1G PoE+, 8x SFP)
PoE Ports / Budget : 40 PoE+ (30W/port), 480W 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 (AVB4248P-10000S).
Acoustics : Fanless or 47dB@25ºC
Power Consumption : With PoE: 624.8W/2133.07Btu/hr; Without PoE: 59.5W/203.13Btu/hr; Standby without any port connection: 46.4W/158.41Btu/hr
Third party support : Domotz
Dimensions (WxDxH) : 440 x 400 x 43.2 mm
Weight : 5.85Kg (12.9lb)

What's in the Box : 
M4250-40G8F-PoE+ (GSM4230P)
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