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Cisco ISR4321-VSEC/K9 Integrated Services 4321 Voice Security Router

Cisco ISR4321-VSEC/K9 Integrated Services 4321 Voice Security Router

$ 562.99
$ 449.99
Only 2 remaining
In stock means that we have the product available to meet your delivery commitment. If it is on the web site, it is available for sale and we can ship it that day.
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Cutoff Ground / 3 day / 2 day - 2pm PT, Cutoff Overnight - 5pm PT. Overnight orders after 4pm PT require approval. Call 800-430-6950 to confirm overnight orders after 4pm PT.
Condition: Seller refurbished
Pre-owned, tested by qualified techs, working, reset-to-factory default, grade A condition, and parts needed for normal functions are included (as described in the listing).
Warranty: 365 days
Warranty coverage period
SKU: NSH-5567
UPC: 882658767142


The Cisco ISR4321-VSEC/K9 Integrated Services Router is designed for businesses looking to enhance their network security and voice capabilities. With 2x 1 Gigabit Ethernet RJ45 ports and 1x 1 Gigabit Ethernet SFP uplink port, this router offers reliable connectivity options.

The router comes with a total of 4 GB DDR3 DRAM (expandable up to 8 GB). Featuring an aggregate throughput ranging from Mbps to 100 Mbps, the Cisco ISR4321-VSEC/K9 can handle moderate network traffic efficiently. This ensures smooth operation in small or medium-sized business environments where maintaining consistent performance levels is crucial.

Cisco ISR4321-VSEC/K9: Cisco ISR 4321, 2 onboard GE, 2 NIM slots, 1 ISC slot, 4 GB flash memory default, 4 GB DRAM default.


  • Network Ports : 2x 1 Gigabit Ethernet RJ45
  • Uplink Ports : 1x 1 Gigabit Ethernet SFP
  • Management Ports : 1x RJ45 Serial Console, 1x Gigabit Ethernet RJ45 Management, 1x Mini-USB Type B, 1x AUX, 1x USB 2.0 slot (type A)
  • Module Slots and Options : 2x NIM (EHWIC) slots, 1x ISC Slot - modules not included
  • DRAM : 4 GB (installed) / 8 GB (max)
  • Flash : 4 GB (installed) / 8 GB (max)
  • Power Supplies : 1x AC External Included
  • Aggregate Throughput : 50 Mbps to 100 Mbps
  • Rack Mounts : Included (1-RU)
  • Model Number : ISR4321-VSEC/K9
  • Part Number : ISR4321-VSEC/K9, ISR4321-VSEC/K9=, ISR4321-VSEC/K9-WS
  • Condition : Seller refurbished


  • One (1) Seller Refurbished Cisco ISR4321-VSEC/K9 Integrated Services 4321 Voice Security Router as described above
  • One (1) Power Cord Included
  • One (1) Set of Rackmount Brackets Included

Not Included

  • Manuals or product brochures are not included. Software or Firmware DVDs or CDs are not included
    Product information and installation instructions may be found on the manufacturer's website or the web. Software or firmware updates may be available through the manufacturer's website
  • Transceiver Modules Not Included
  • Network Modules Not Included