[shortdesc] 1-2G system throughput 4 WAN/LAN ports 4 SFP ports 10 Core CPU Security, Voice WAAS Intelligent WAN OnePK AVC [/shortdesc] [properties] Properties ISR4451-X-K9 Description ISR 4451 with 4 onboard GE, 3 NIM slots, 1 ISC slot, 2 SM slots, 8 GB Flash Memory default, 2 GB DRAM default (data plane), 4 GB DRAM default (control plane) Product Family ISR 4000 Series Product Type Routers Total onboard WAN or LAN 10/100/1000 ports 4 RJ-45-based ports 4 SFP-based ports 4 Enhanced service- module slots 2 Aggregate Throughput (Default) 1 Gbps AC input voltage 100 to 240 VAC autoranging Power-supply options Internal: AC,DC and PoE Maximum power with AC power supply (watts) 450 (no PoE) Maximum power with PoE power supply (platform only) (watts) 1000 with PoE redundant1450 with PoE boost no redundancy Unit dimensions in. (W x D x H) 3.5 x 17.25 x 18.5 Rack-mount 19in. Included Wall-mount No [/properties][specifications] Specifications ISR4451-X-K9 Default memory double-data-rate 3 (DDR3) error-correction-code (ECC) DRAM NA Maximum memory DDR3 ECC DRAM (Combined control/services/data planes) NA Default memory DDR3 ECC DRAM (data plane) 2 GB Maximum memory DDR3 ECC DRAM (data plane) 2 GB Default memory DDR3 ECC DRAM (control/services plane) 4 GB Maximum memory DDR3 ECC DRAM (control/services plane) 16 GB Default flash memory 8 GB Maximum Flash Memory 32 GB Operating Temperature 32 to 104°F (0 to 40°C) Operating humidity 5% to 85% Safety UL 60950-1 CAN/CSA C22.2 No. 60950-1 EN 60950-1 AS/NZS 60950-1 IEC 60950-1 EMC 47 CFR, Part 15 ICES-003 Class A EN55032 Class A CISPR32 Class A AS/NZS CISPR 32 Class A VCCI V-3 CNS 13438 EN 300-386 EN 61000 (Immunity) EN 55024, CISPR 24 KN22, KN24 EN 50121-1 Protocols IPv4, IPv6, static routes, Routing Information Protocol Versions 1 and 2 (RIP and RIPv2), Open Shortest Path First (OSPF), Enhanced IGRP (EIGRP), Border Gateway Protocol (BGP), BGP Router Reflector, Intermediate System-to-Intermediate System (IS-IS), Multicast Internet Group Management Protocol Version 3 (IGMPv3), Protocol Independent Multicast sparse mode (PIM SM), PIM Source Specific Multicast (SSM), RSVP, CDP, ERSPAN, IPSLA, Call Home, EEM, IKE, ACL, EVC, DHCP, FR, DNS, LISP, OTV6, HSRP, RADIUS, AAA, AVC, Distance Vector Multicast Routing Protocol (DVMRP), IPv4-to-IPv6 Multicast, MPLS, Layer 2 and Layer 3 VPN, IP sec, Layer 2 Tunneling Protocol Version 3 (L2TPv3), Bidirectional Forwarding Detection (BFD), IEEE802.1ag, and IEEE802.3ah [/specifications] [accesories] Accessories There is no additional accessories. Bundles Features Application Experience with Voice (AXV) AX + Voice Voice with Security (VSEC) Voice + Security Application Experience (AX) IP Base + Security + advanced networking protocols: L2TPv3, BFD, MPLS, VRF, VXLAN10 (Bandwidth