Cisco ISR4221/K9 Specifications:

• Code: ISR4221/K9 
• Aggregate Throughput: 35 Mbps to 75 Mbps
• Total Onboard WAN or LAN 10/100/1000 Ports: 2 (RJ-45-based)
• SFP-based Ports: 1
• Enhanced Service-Module Slots: 0
• Doublewide Service-Module Slots: 0
• NIM (Network Interface Modules) Slots: 2
• OIR (all I/O Modules): No
• Onboard ISC Slot: No
• Default Memory (DDR3 ECC DRAM): 4 GB (Combined control/services/data planes)
• Maximum Memory DDR3 ECC DRAM (Combined control/services/data planes): 4 GB
• Default Flash Memory: 8 GB
• Maximum Flash Memory: 8 GB
• External USB 2.0 Slots (Type A): 1
• USB Console Port – Type B Mini (up to 115.2 kbps): 0
• Serial Console Port – RJ45 (up to 115.2 kbps): 1 (combo CON/AUX port)
• Serial Auxiliary Port – RJ45 (up to 115.2 kbps): 1 (combo CON/AUX port)
• Power-Supply Options: External: AC Only
• Redundant Power Supply: N/A
• AC Input Voltage: 100 to 240 VAC autoranging
• AC Input Frequency: 47 to 63 Hz
• AC Input Current Range, AC Power Supply (Maximum): 1.5 to 0.6A
• AC Input Surge Current: 90 A peak and less than 3 Arms per half cycle
• Typical Power (No Modules) (Watts): 24
• Maximum Power with AC Power Supply (Watts): 90
• Maximum Power with PoE Power Supply (Platform Only) (Watts): NA (no PoE support)
• Maximum Endpoint PoE Power Available from PoE Power Supply (Watts): NA (no PoE support)
• Cisco Router ISR 4000 Datasheet

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