The Cisco ISR4431/K9 1U rack-mountable Gigabit Ethernet router has 500 Mbps data transfer rate for reliable performance. It supports DHC, IPSec, PPPoE, BGP, DVMRP, EIGRP, GRE, IGMPv3, IPv4-to-IPv6 Multicast, IS-IS, OSPF, PIM-SM, PIM-SSM, policy-based routing, RIP-1/2 and static IPv4/IPv6 routing protocols. This 6-port router measuring 1.7" x 17.3" x 20", has 8GB flash memory and 4GB DDR3 SDRAM RAM memory for storage. It supports 10/100/1000Base-T Gigabit Ethernet technology..Protocol: DHC, IPSec, PPPoE, BGP, DVMRP, EIGRP, GRE, IGMPv3, IPv4-to-IPv6 Multicast, IS-IS, OSPF, PIM-SM, PIM-SSM, RIP-1/2, static IPv4/IPv6 routing.Meets Safety - UL 60950-1, IEC 60950-1, EMC - 47 CFR, Part 15, VCCI V-3, KN22, KN24, Telecom - TIA-968-B and CS-03 certifications or standards.Network and communication: 10/100/1000Base-T Gigabit Ethernet technology, Wireless protocol: 802.11 ag/q, 802.3 ah.Power supply: 120 - 230 VAC, 50/60 Hz.Up to 500 Mbps transfer rate prevents any lag in downloads or uploads of picture, movies, music or data.Has 4GB DDR3 SDRAM RAM, 16GB maximum, 8GB flash memory for data storage.Features access control list support, class-based weighted fair queuing, ipfix, ipv6 support, netflow, quality of service and radius support.Dimensions: 1.7"H x 17.3"W x 20"D.Color: Black, Connectivity technology: Wired, Form factor: 1U Rack-mountable, wall Mountable.Includes four network (RJ-45), two 4-pin Type A USB 2.0, management and eight SFP expansion slot for added connectivity