Cisco ASR1002X-5G-K9 Asr1002-x 5g K9 Aes Router, Compatible Rack Unit 2U, Gigabit Ethernet, Expansion Slots-9, Rack-mountable, Network 10/100/1000Base-T, Standard Memory 4GB, Maximum Memory 16GB, Input Voltage 110 V AC, 220 V AC. The Cisco ASR 1000 Series provides a significant enhanced value compared to prior generations of Cisco midrange routing solutions by providing more than tenfold performance improvement with services running.