Cisco ISR4321/K9
ISR 4321 (2GE.2NIM.4G FLASH.4G DRA

Key facts
Overview
CISCO ISR 4321 (2GE.2NIM.4G FLASH.4G DRA
The Cisco 4000 Family Integrated Services Router (ISR) revolutionizes WAN communications in the enterprise branch. With new levels of built-in intelligent network capabilities and convergence, it specifically addresses the growing need for application-aware networking in distributed enterprise sites. These locations tend to have lean IT resources. But they often also have a growing need for direct communication with both private data centers and public clouds across diverse links, including Multiprotocol Label Switching (MPLS) VPNs and the Internet.
- With Gigabit Ethernet, retrieve up to 10x faster than standard Ethernet connectivity and provides high-performance
- Rack mounting enables you to organize wires & secure cables for professional installation
- Management capability provides control over the router's setup and configuration
- With 10/100/1000Base-T technology, get up to 1000 mbps data transfer rate over twisted pair cable
- Built-in power supply to ensure all components are being supplied with accurate voltage
- Create a wired network with all the PCs connected with this router and share your Internet connection as well as files while checking emails
Specifications
General
- Security Features
- ACLRADIUSAAAIPsecDMVPN
- Memory Technology
- DDR3 SDRAM
- Compatible Rack Unit
- 1U
- Package Contents
- 4321 RouterRack-mount 19inch EIA
- Certifications & Standards
- Safety:UL 60950-1CAN/CSA C22.2 No. 60950-1EN 60950-1AS/NZS 60950-1IEC 60950-1GB-4943EMC:ICES-003 Class AEN55022 Class ACISPR22 Class AAS/NZS 3548 Class AVCCI V-3CNS 13438EN 300-386EN 61000 (Immunity)EN 55024CISPR 24EN50082-1KN22KN24Telecom:TIA-968-BCS-03ANSI T1.101ITU-T G.823, G.824IEEE 802.3RTTE Directive
- Network Technology
- 10/100/1000Base-T
- Ethernet Technology
- Gigabit Ethernet
- Product Type
- Router
Manufacturer Website Address
- Manufacturer
- Cisco Systems, Inc
- Product Model
- 4321
- Product Name
- 4321 Router
- Product Series
- 4000
- Brand Name
- Cisco
- Expansion Slot Type
- SFP
Network Interface Module (NIM)
- Total Number of Expansion Slots
- 4.0
- Input Voltage
- 120 V AC
230 V AC
- Power Source
- Power Supply
- Redundant Power Supply Supported
- No
- USB
- Yes
- Number of Network (RJ-45) Ports
- 2
- Powerline
- No
- Management Port
- Yes
- Total Number of Ports
- 2
- Serial V.35 Interface
- No
Reference price history
Recorded reference and list prices over time. Not Prology selling prices.
- Latest
- AUD 6,413.14≈ USD 4,480
- Oct 2026
- Lowest recorded
- AUD 6,413.14≈ USD 4,480
- Highest recorded
- AUD 6,413.14≈ USD 4,480
- Recorded
- 2026
- 1 price point
- RRP
- Prology AU
- Prology US
- List price
Buy or sell Cisco ISR4321/K9
Buying Cisco routers
Prology stocks the Cisco ISR4321/K9 from AUD 274 on Prology AU and Prology US. Need more than one, or a different condition? Request a quote for volume pricing.
Selling Cisco routers
Have a spare or decommissioned ISR4321/K9? Prology buys used and surplus Cisco routers — single units or whole lots — and replies with an offer within 1 business day. Sell your ISR4321/K9.
- What is the Cisco ISR4321/K9?
- The Cisco ISR4321/K9 is a Cisco router – ISR 4321 (2GE.2NIM.4G FLASH.4G DRA.
- How much does the Cisco ISR4321/K9 cost?
- The reference price on record is AUD 6,413.14 (Oct 2026). It is a reference figure, not a selling price — the live price is on the Prology store page.
- Where can I buy the Cisco ISR4321/K9?
- It is listed on Prology AU and Prology US. Use the “View on Prology” button above for live price, condition and stock, or request a quote for volume pricing.
- Can I sell a used Cisco ISR4321/K9?
- Yes. Prology buys used and surplus Cisco routers, including the ISR4321/K9. Get an offer — sell outright or trade in against your next order.
Request a quote for ISR4321/K9
Tell us the quantity and condition you need. Prology replies with a firm price and lead time within 1 business day.