Buy, Sell, Rent, or Lease a Refurbished CISCO3945/K9. Contact us by calling 800-327-0730, activating our Live Chat feature, or filling out our Quote Form to get immediate pricing and availability.

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CISCO3945/K9 Overview

Product Name 3945 SPE150 3GE 4EHWIC-4SM 256MBCF 1GB DRAM IPB
Product Type Integrated Services Router
Dimensions 5.25" Height x 17.25" Width x 18.75" Depth
Expansion Slots (4 Total) PVDM

(4 Total) HWIC

(5 Total) Services Module

(2 Total) CompactFlash (CF) Card

(2 Total) SFP (mini-GBIC)

Interfaces/Ports 3 x RJ-45 10/100/1000Base-T Network WAN

2 x Type A USB

1 x Type B USB Management

1 x RJ-45 RS-232 Console Management

1 x RJ-45 RS-232 Auxiliary Management

Form Factor Rack-mountable
Product Model 3945
Number of Ports 3
Product Series 3900
Input Voltage 110 V AC

220 V AC

Maximum Memory 2 GB
Power Source Power Supply
Standard Memory 1 GB
Operating System IOS Software
  • Web Services Management Agent (WSMA)
  • CiscoWorks LAN Management Solution (LMS)
  • CiscoWorks Network Compliance Manager (NCM)
  • Cisco Configuration Engine
  • IEEE 802.1p QoS
  • IEEE 802.1q VLAN
  • SNMP
  • RMON
  • NetFlow
  • Syslog
Input Voltage Range 100 V AC to 240 V AC
Memory Technology DRAM
Additional Information
  • Cisco Unified CCME Sessions: 350
  • Cisco Unified SRST Sessions: 1200
  • Compact Flash (external): Maximum 4 GB

Expansion Slots:

  • 4 x Service Module
  • 1 x Internal Services Module (ISM)


Express Computer Systems state-of-the-art engineering lab and certified technicians will make sure that your CISCO3945/K9 is tested rigorously and in perfect working condition. To back it up, we carry a 100% Satisfaction Guarantee on all of our used and refurbished gear, in addition to one of the industries best warranties.

Shipping Policy

We stock all of our products. Items are fully tested and professionally packaged to ensure functionality on arrival.

The CISCO3945/K9 will ship the same day if the order is received with sufficient testing and packaging time.

*Alaska and Hawaii customers, please contact us for a shipping quote.

Shipping Methods

We ship via Fedex. Next Day and expedited shipping services are available. Please contact us for a quote to upgrade shipping.

We can also ship via UPS or FedEx on your account number. Other freight and carrier services are available, please contact us at to make arrangements.

Pickup & Delivery

Local customers may also arrange for pickup or delivery of items.

Net Terms

Approved Educational, Government, and Corporate customers may submit a purchase order to purchase the CISCO3945/K9.

Please contact us and we will FAX or Email you a credit application.

Finance & Leasing Options

We have solutions to help you finance your purchase. Please contact us at to learn more about our finance and leasing options.

Credit Card

To pay via credit card, please call us at (800) 327-0730


FAX your card type, card number, expiration date, name as it appears on the card, complete billing address including apartment number, zip code and phone number to us at (800) 327-0730.

Wire Transfer

International buyers must pay via Wire Transfer.

Please email us at to purchase this product with a wire transfer.


Business and Personal Checks must clear prior to shipment.