Specs: 17.2 in x 12.8 in x 1.7 in, Wired, ATM, PPP, TDM, HDLC, MLPPP, FRF.12, Ethernet, Frame Relay, Fast Ethernet, Ethernet, HTTP, SNMP 3, IEEE 802.1Q, IEEE 802.1p, IEEE 802.1w, IEEE 802.1x, IEEE 802.3af, IEEE 802.3ad (LACP), External, Trunking, Stackable, Switching, Manageable, ALG support, NAT support, VPN support, DHCP support, E-mail alert, NAPT support, VLAN support, Syslog support, Wall mountable, DiffServ support, Packet filtering, Firewall protection, Firmware upgradable, Reverse NAT support, SMTP traffic control, DoS attack prevention, Quality of Service (QoS), Power over Ethernet (PoE), Weighted Fair Queuing (WFQ), Auto-uplink (auto MDI/MDI-X), Stateful Packet Inspection (SPI), Weighted Round Robin (WRR) queuing, 0, 11 lbs