Description Product Reviews GSM5212 Desktop 12 Port Gig 2 SFP POE or External Power 12 Ports – Manageable – 2 x Expansion Slots – 10/100/1000Base-T – Twisted Pair – Gigabit Ethernet – Shared SFP Slot – 2 x SFP Slots – 2 Layer Supported – Desktop, Wall Mountable M4100-D12G is a desktop 12 x 1000Base-T version, Layer 2+ 2 shared SFP External PSU; fanless Can be powered by PoE+ 0 Reviews Hide Reviews Product Reviews