Cisco ASR1001X-10G-K9 Asr1001-x 10g Base Bundle, System Bandwidth 2.5G (default) / 5G, 10G, 20G (upgrade), Gigabit Ethernet port 6 x SFP ports, 2 x SFP+ ports, Quad-core 2.13Ghz processor, Rack-mounting 19-inch, DRAM Memory 4 GB, Flash Memory 8 GB, External USB flash memory 1-GB USB flash-memory support. The Cisco ASR1001X-10G-K9 is a 1-rack-unit (1RU) platform targeted towards the low to medium Enterprise and Managed Service Provider use cases. Its compact form factor has a built-in Route Processor.