Cisco ISR4321-AX/K9

4.8 8
8 Review(s)
Model: Cisco ISR4321-AX/K9 (2GE,2NIM,4G FLASH,4G DRAM,IP Base, Security, AppX)
Detail: 50Mbps-100Mbps system throughtput, 2 WAN/LAN ports, 1 SFP port, multi-Core CPU,2 NIM, Security, Voice, WAAS, Intelligent WAN, OnePK, AVC
List Price: US$3,495.00
Price: $1,175.00
You save: US$2,320.00 (66% OFF)
Condition: Brand New Sealed
Availability: In stock
Express Shipping to Newark, NJ, United States
2-6 Days, via DHL, FedEx, EMS, etc. ?
If you finish the payment today,
your order will arrive within the
estimated delivery time.
US$ 1,175.00 In stock Brand New Sealed

Cisco ISR4321-AX/K9 SMARTnet Service Tool

Order Cisco SMARTnet Warranty? Fast Quote Now

Ask Our Experts

Live Chat | Email

  • +1-626-239-8066 (USA)
  • +852-3174-6166 (HK)
  • +852-3050-1066 (Fax)
Get Quotes up to
2x Faster
Project Inquiry

Overview (Cisco ISR4321-AX/K9)


Cisco ISR4321-AX/K9
2 Gigabit Ethernet ports, 1 SFP-base ports
Application Experience Routers, Security, Data, Intelligent WAN
2 NIM slots, 1 onboard ISC slots
4GB RAM, 4GB flash memory,1 USB ports
Pay-as-you-grow performance model, up to 100Mbps system performance
AVC, Performance routing, WAAS, OnePk, AppNav

ISR4321-AX/K9 intelligent WAN bundle combines security features, application experience and Wide Area Application Services (WAAS) features together into one platform. The intelligent WAN bundle optimizes network traffic across the “best” link based on applications and monitors network conditions to deliver the best performance as possible. In this platform, you get tight control over application performance, bandwidth usage, data privacy, and availability of your WAN links - control that you need as your branches conduct greater volumes of mission-critical business.

ISR4321-AX/K9 comes with IP base image, Security, AppX licensing for 200 TCP connection resources for ISR WAAS optimization and 4-GB DRAM, 4GB Flash memory, 50Mbps WAN bandwidth by default, to enable the ISR WAAS service, update memory, flash memory and hard drive is required, vWAAS service is not available on this platform.


Specification (Cisco ISR4321-AX/K9)

Technical Specifications Cisco 4321
Aggregate Throughput 50 Mbps to 100 Mbps
Total onboard WAN or LAN 10/100/1000 ports 2
RJ-45-based ports 2
SFP-based ports 1
Enhanced service-module slots 0
Doublewide service-module slots 0
NIM slots 2
OIR (all I/O modules) Yes
Onboard ISC slot 1
Default memory double-data-rate 3 (DDR3) error-correction-code (ECC) DRAM (Combined control/services/data planes) 4 GB
Maximum memory DDR3 ECC DRAM (Combined control/services/data planes) 8 GB
Default memory DDR3 ECC DRAM (data plane) NA
Maximum memory DDR3 ECC DRAM (data plane) NA
Default memory DDR3 ECC DRAM (control/services plane) NA
Maximum memory DDR3 ECC DRAM (control/services plane) NA
Default flash memory 4 GB
Maximum flash memory 8 GB
External USB 2.0 slots (type A) 1
USB console port -type B mini (up to 115.2 kbps) 1
Serial console port - RJ45 (up to 115.2 kbps) 1
Serial auxiliary port - RJ45
(up to 115.2 kbps)
Power-supply options External: AC and PoE
Redundant power supply N/A
AC input voltage
AC input voltage 100 to 240 VAC autoranging
AC input frequency 47 to 63 Hz
AC input current range, AC power supply (maximum) 1.5 to 0.6A
AC input surge current 90 A peak and less than 3 Arms per half cycle
Typical power (no modules) (watts) 36
Maximum power with AC power supply (watts) 125
Maximum power with PoE power supply (platform only) (watts) 260
Maximum endpoint PoE power available from PoE power supply (watts) 120
Shipping & Payment


Cargo will be delivered within 1 day after payment arrived. Tracking Number will be offered once delivery done.

Delivery OptionsEstimated Delivery Time
DHL 2-4 business days
Fedex 2-4 business days
Hong Kong EMS 5-10 business days
Hong Kong Air Parcel 10-20 business days
By Sea 10-20 business days


Above mentioned information are just for your reference only,we will keep you posted for the tracking delivery schedule.There are two delivery options available for by air and by sea:

Deliver to port: is responsible for transporting goods to port. All subsequent customs and transportation fees are the
responsibility of the buyer. Router-switch will recommend trustworthy local freight forwarders to can facilitate the progress under buyer's permission and at buyer's expense.

Deliver to door: will quote all destination charge prior once we have confirmed order. is responsible for transporting goods to door after you have made the payment.

Payment Methods

Paypal Master Card Visa
Discover American
Wire Transfer eCheck WestUnion


100% Low Price Guarantee: provides high-quality products at low wholesale prices

100% Quality Assurance:

All items are ORIGINAL and GENUINE only.
Item conditions are "New Sealed" or "Used / Refurbished".
Used & refurbished items are fully tested with good conditions by Cisco-certified Engineers.

Free CCIE Technical Support:

Our FREE Cisco CCIE Expert Consultancy Support is over the phone, by chat, by email or by login remotely.

100% Money Back Guarantee:

You can contact our customer service team to exchange or return any product that you bought from us.

Flexible Secure Payment & Shipment:

Verified authorization: Mcafee Secure, VeriSign Secured

Return Material Authorization (RMA) Process

Standard Hardware Warranty Policy:

Original new sealed Cisco product: 1 Year
Used Cisco product: 3 Month

The Support Contacts:

If your Cisco products failed, you must contact your sales representative to verify product failure. If the problem still can't correct by remote support methods i.e. email or phone support, the RMA procedure will issue.


Customer Reviews

4.8 5
4.8 (8 reviews)
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars

Share your thoughts with other customers?

Posted on 11/8/2016
Verified Buyer
plan to visit

Will be in HK during 1 month. Would like a visit to discuss a project.

Posted on 11/6/2016
Verified Buyer
First business

It's the first time buying from All good.

Posted on 11/5/2016
Verified Buyer
Special discount

Asked for 40 units, Nancy provided special discount. Very nice!

Posted on 11/3/2016
Verified Buyer
Price so good

The price is pretty good, quite attractive.

Posted on 11/1/2016
Verified Buyer
Latest router

It's the newest CISCO router.

Posted on 4/6/2015
Verified Buyer
Cisco ISR 4321-UCS E-Series

Available on UCS E-Series.

Posted on 7/11/2014
Verified Buyer
isr 4321 Up to 8-GB control

The Cisco 4321 is Up to 8-GB control and services memory

Posted on 5/12/2013
Verified Buyer
ISR4321 voice features

voice features here. It includes voice features including PVDM4-64, CUBE, Cisco Unified Communications Manager Express (CME), and UC licenses.

Register now to get updates on promotions and coupons

We’ll never share your email address with a third-party. is neither a partner of nor an affiliate of Cisco Systems. Logos remain the property of the corresponding company.
Copyright @ 2002-2017 Router-switch Ltd. | HongKong Yejian Technologies Co., Ltd | All Rights Reserved.