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Cisco ISR4321-V/K9 4321 Integrated Services Voice Router

Cisco ISR4321-V/K9 4321 Integrated Services Voice Router

$ 494.99
$ 484.99
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-7971
UPC: 882658767135


The Cisco ISR4321-V/K9 4321 Integrated Services Voice Router is a reliable and efficient networking solution for small to medium-sized businesses. With its advanced voice capabilities, this router enables high-quality VoIP communication, enhancing collaboration within your organization.

Equipped with powerful software features such as IP Security (IPsec), VPN support, and firewall protection, the CISCO ISR4321-V/K9 ensures secure data transmission over the network. The router also includes WAN optimization technology that optimizes network traffic flow to minimize latency and improve application performance.

Featuring four Ethernet ports for seamless connectivity, this integrated services voice router supports upgradable modules if additional functionality is needed in the future. Its compact design saves space while supporting multiple applications simultaneously without compromising speed or efficiency.

Cisco ISR4321-V/K9: Cisco ISR, 2 GE interfaces with 1 1G SFP port for uplink.


  • Network Ports : 2x 1 Gigabit Ethernet RJ-45
  • Uplink Ports : 1x 1 Gigabit Ethernet SFP
  • Management Ports : 1x RJ-45 Serial Console, 1x RJ-45 Gigabit Management, 1x Mini-USB Type B Console, 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-V/K9
  • Part Number : ISR4321-V/K9, ISR4321-V/K9=, ISR4321-V/K9-WS
  • Condition : Seller refurbished


  • One (1) Seller Refurbished Cisco ISR4321-V/K9 4321 Integrated Services Voice Router as described above
  • One (1) Power Cord Included
  • One (1) Set of Rack Mount 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