Product Code

  Cisco ISR4221/K9

  Aggregate Throughput

  35 Mbps to 75 Mbps

  Total onboard WAN or LAN 10/100/1000 ports

  2

  RJ-45-based ports

  2

  SFP-based ports

 1

  NIM (Network Interface Modules) slots

  2

  Onboard ISC slot

  No

  Default memory double-data-rate 3 (DDR3) error- correction-code

  (ECC) DRAM (Combined control/services/data planes)

  4 GB

  Flash Memory

  8 GB

  Power-supply options

  External AC only

  Rack height

  1 RU

  Dimensions (H x W x D)

  1.72 x 12.7 x 10 in (43.7 x 322.6 x 254  mm)

  Weight with AC PS (no modules)

  7.1 lb (3.22 kg)