Cisco ASA5550-UC-BUN-K8 1.2 Gbps Networking Security Appliance Firewall
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ASA5550-UC-BUN-K8 Cisco ASA 5550 Adaptive Security Appliance Refurbished

Availability: In Stock
Part Number#: ASA5550-UC-BUN-K8
List Price was: $26730.77
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Short Description:
ASA5550-UC-BUN-K8 ASA 5550 Adaptive Security Appliance UC Security Edition - 8 x 10/100/1000Base-T LAN, 1 x 10/100Base-TX LAN - 4 x SFP , 1 x CompactFlash (CF) Card | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Performance and Scalability

The Cisco ASA 5550 Adaptive Security Appliance is a high-performance network security device that provides advanced firewall, VPN, and content security capabilities for large enterprise and service provider networks. The ASA 5550-UC-BUN-K8 model is designed to provide comprehensive security features and services for unified communication networks, such as voice and video traffic, while maintaining high performance and scalability.

In terms of performance, the ASA 5550-UC-BUN-K8 can deliver up to 1.2 Gbps of firewall throughput and 425 Mbps of VPN throughput, which allows it to handle high volumes of network traffic with low latency and high reliability. It also supports up to 10,000 concurrent VPN connections, making it suitable for large-scale remote access and site-to-site VPN deployments.

In addition to its high performance, the ASA 5550-UC-BUN-K8 also offers scalability and flexibility. It supports up to 5000 IPsec VPN peers and up to 10 security contexts, which allows it to provide security services for multiple virtual networks or customers. It also includes multiple interface options, including gigabit Ethernet and fiber, and supports link aggregation and VLAN trunking for flexible network connectivity.

Firewall Functionality and Traffic Inspection

The ASA5550-UC-BUN-K8 Cisco ASA 5550 Adaptive Security Appliance is a comprehensive security solution that provides firewall functionality and traffic inspection. The firewall functionality of the ASA5550-UC-BUN-K8 enables it to monitor and control incoming and outgoing traffic based on pre-defined rules and policies. It helps protect the network from unauthorized access, viruses, and other malicious attacks.

The ASA5550-UC-BUN-K8 also has the ability to inspect traffic at the application level. This means that it can identify and block specific types of traffic, such as peer-to-peer file sharing, streaming media, and instant messaging, which may be a security risk to the network. The ASA5550-UC-BUN-K8 can also inspect SSL and IPsec encrypted traffic, allowing it to detect and block malicious activity within encrypted sessions.

Moreover, the ASA5550-UC-BUN-K8 has advanced threat detection capabilities, such as intrusion prevention and detection, which monitor network traffic for unusual activity and behavior. These features help protect the network from targeted attacks and can provide valuable information for incident response and forensic analysis.

Features and Benefits

The ASA5550-UC-BUN-K8 Cisco ASA 5550 Adaptive Security Appliance is a high-performance security device that provides robust protection to enterprise networks against a variety of threats. This appliance is designed to meet the security needs of large-scale networks and delivers comprehensive threat protection to keep critical business data secure.

The ASA5550-UC-BUN-K8 is equipped with advanced features such as firewall, VPN, intrusion prevention, and content filtering. The firewall provides protection against unauthorized access to the network, while the VPN allows secure remote access to the network. The intrusion prevention system detects and blocks malicious traffic, and the content filtering prevents access to harmful websites.

The appliance is designed for high availability and is equipped with redundant power supplies and fans to ensure that it is always up and running. It also supports multiple deployment modes, such as transparent mode and routed mode, to accommodate different network configurations.

One of the major benefits of the ASA5550-UC-BUN-K8 is its scalability. It can support up to 10 Gbps of firewall throughput, making it ideal for large-scale networks that require high-performance security. The appliance also supports up to 5,000 VPN peers, providing secure remote access to a large number of users.

Another benefit of the ASA5550-UC-BUN-K8 is its easy management. It comes with a user-friendly web-based interface that allows administrators to configure and manage the appliance easily. It also supports remote management via SSH, Telnet, or HTTPS.

General Information:

  • Brand Name: Cisco
  • Manufacturer: Cisco Systems, Inc
  • Manufacturer Part Number: ASA5550-UC-BUN-K8
  • Product Line: ASA
  • Product Series: 5500
  • Product Model: ASA 5550
  • Product Name: ASA 5550 Adaptive Security Appliance UC Security Edition
  • Device Type: Security appliance

Technical Information:

  • RAM 4 GB
  • Flash Memory 64 MB
  • Data Link Protocol Ethernet, Fast Ethernet, Gigabit Ethernet


  • VPN throughput : 425 Mbps
  • Firewall throughput : 1.2 Gbps
  • Connection rate : 36000 connections per second


  • Concurrent connections : 650000
  • IPSec VPN peers : 5000
  • SSL VPN peers : 2
  • UC proxy sessions : 3000
  • Virtual interfaces (VLANs) : 250
  • VoIP Protocols MGCP, SCCP, SIP, H.323 v3, H.323 v4, H.323 v1, H.323 v2
  • Power AC 120/230 V ( 47 - 63 Hz )
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

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Shipping Options and Estimated Delivery Time

UPS Shipping Options:

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UPS® First Overnight - Saturday
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FedEx Shipping Options:

FedEx Ground®
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Available throughout all 50 states (except Hawaii and Alaska)

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Available throughout all 50 states

FedEx Standard Overnight®
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Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
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FedEx First Overnight®
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Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
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