Plug and Play: Simple set up with no software or configuration needed Power over Ethernet: 8 PoE+ ports with 123W total power budget, and includes NETGEAR FlexPoE allowing to reduce the power budget to 83W or even 60W (w/separately purchased power supply modules) Flexible Mounting: Rack ,Desktop or Wall-Mount to be used in any environment Flexible Power: Interchangeable External Power Supply (60W, 90W, 120W) that allows to increase or decrease your PoE Budget Small and Silent: Small, sturdy metal case and fanless quiet operation