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Original and Brand New Cisco Router ISR4451-X/K9: 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 Specifications | |
| Product Code | ISR4451-X/K9 |
| Aggregate Throughput (Default) | 1 Gbps |
| Total onboard WAN or LAN 10/100/1000 ports | 4 |
| RJ-45-based ports | 4 |
| SFP-based ports | 4 |
| NIM slots | 3 |
| OIR (all I/O modules) | Yes |
| Default memory DDR3 ECC DRAM (data plane) | 2 GB |
| Default flash memory | 8 GB |
| Maximum flash memory | 32 GB |
| External USB 2.0 slots (type A) | 2 |
| Power-supply options | Internal: AC, DC and PoE |
| Redundant power supply | Internal: AC, DC and PoE |
| AC input voltage | 100 to 240 VAC autoranging |
| AC input frequency | 47 to 63 Hz |
| Dimensions (H x W x D) | 3.5 x 17.25 x 18.5 in (88.9 x 438.15 x 469.9 mm) |
| Shipping Box Dimensions (H x W x D) | 9.75 x 22.25 x 26 in (24.76 x 56.51 x 66.04 mm) |
| Rack height | 2 Rack Units (2RU) |
| Rack-mount 19in. (48.3 cm) EIA | Included |
| Wall-mount | No |
| Typical weight (fully loaded with modules) | 42.7 lb (19.4 kg) |
| Packaging | 6.4 lb (2.9 kg) |




Click below pictures to find more related Cisco products!
| Cisco 4000 Series Family Integrated Services Routers | |
| ISR4461/K9 | Cisco ISR 4461 with 4 onboard GE, 3 NIM slots, 1 ISC slot, 3 SM slots, 8 GB Flash Memory default, 2 GB DRAM default (data plane), 4 GB DRAM default (control plane) |
| ISR4451-X/K9 | 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) |
| ISR4431/K9 | ISR 4431 with 4 onboard GE, 3 NIM slots, 1 ISC slot, 8GB Flash Memory default, 2 GB DRAM default (data plane), 4 GB DRAM default (control plane) |
| ISR4351/K9 | ISR 4351 with 3 onboard GE, 3 NIM slots, 1 ISC slot, 2 SM slots, 4 GB Flash Memory default, 4 GB DRAM default |
| ISR4331/K9 | ISR 4331 with 3 onboard GE, 2 NIM slots, 1 ISC slot, 1 SM slots, 4 GB Flash Memory default, 4 GB DRAM default |
| ISR4321/K9 | ISR 4321 with 2 onboard GE, 2 NIM slots, 1 ISC slot, 4 GB Flash Memory default, 4 GB DRAM default |
| ISR4221/K9 | ISR 4221 with 2 onboard GE, 2 NIM slots, 1 ISC slot, 8 GB Flash Memory default, 4 GB DRAM default |






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