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by Cisco
Product Line: Cisco Series
Product Type: Firewall
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Title: Surplus

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Product Description

The ASA5585-S20C20-K9 is a Cisco ASA 5585-X series firewall that features 16 1 Gigabit Ethernet RJ-45 network ports, 2 RJ-45 Gigabit management ports, and a single RJ-45 serial console for robust connectivity. It delivers a stateful throughput of 4 Gbps, VPN throughput of 1 Gbps, and supports up to 750,000 concurrent sessions with 2 Gbps firewall plus intrusion prevention throughput. This 2 RU form factor unit is equipped with 6 GB DRAM, 2 GB flash memory, supports up to 5000 IPSec VPN peers, and comes with mounting brackets and a single AC power supply.

FAQs for the ASA5585-S20C20-K9

  • What is the form factor of the ASA 5585-X?
    The ASA 5585-X has a 2 RU form factor.
  • How many network ports are available on this device?
    The Chassis ASA 5585-X features 16 network ports.
  • What type of network ports does the ASA 5585-X support?
    It supports 1 Gigabit Ethernet RJ-45 network ports.
  • What is the stateful throughput capability of the ASA 5585-X?
    The Chassis ASA 5585-X offers a stateful throughput of 4 Gbps.
  • How many USB ports are on the ASA 5585-X?
    There are 2 USB ports on the device.
  • What is the maximum number of concurrent sessions supported by the ASA 5585-X?
    The Chassis ASA 5585-X supports up to 750,000 concurrent sessions.
  • What is the VPN throughput of the ASA 5585-X?
    It has a VPN throughput of 1 Gbps.
  • How much DRAM is available on the ASA 5585-X?
    The Chassis ASA 5585-X comes with 6 GB of DRAM.
  • What are the power supply specifications for the ASA 5585-X?
    The device includes 1 AC power supply.
  • How many IPSec VPN peers can the ASA 5585-X support?
    The Chassis ASA 5585-X can support up to 5000 IPSec VPN peers.

Product Review

The CISCO ASA5585-S20C20-K9 offers a stateful throughput of 4 Gbps and supports up to 5000 IPSec VPN peers, catering well to medium to large-sized network environments. However, its limitation to 1 Gigabit Ethernet ports may hinder performance in scenarios demanding higher bandwidth connectivity. With a compact 2 RU form factor and including mounting brackets, it allows for efficient use of rack space, though the single AC power supply could be a potential single point of failure.


The CISCO ASA5585-S20C20-K9 represents a pinnacle in high-performance security appliances designed for enterprise-level networks. This model, part of the ASA 5585-X series, is engineered to protect networks and facilitate secure data communication across a wide range of infrastructures. Its hardware specifications underline its capability to handle intense workloads, manage large volumes of data, and provide advanced security measures without compromising on throughput. At its core, the chassis ASA 5585-X is built to be durable and efficient, ensuring long-term reliability for network security tasks. The device is equipped with 16 network ports, all of which are 1 Gigabit Ethernet RJ-45, allowing for high-speed connectivity and data transfer rates that are essential for modern business operations. The inclusion of a single RJ-45 serial console port, along with two RJ-45 Gigabit management ports, and one RJ-45 AUX port, adds to its versatility in network management and configuration. Connectivity options are further expanded with two USB ports, facilitating easier management and file transfers. The device's performance metrics are impressive, with a stateful throughput of 4 Gbps, ensuring that data flows efficiently through the network without bottlenecks. For organizations relying heavily on remote access and secure communication, the VPN throughput stands at 1 Gbps, supporting up to 5000 IPSec VPN peers. This capability ensures secure and reliable remote connections, which are crucial in today’s distributed work environments. The ASA5585-S20C20-K9 is also notable for its ability to handle up to 750,000 concurrent sessions, making it suitable for high-demand networks. Its firewall and intrusion prevention throughput of 2 Gbps demonstrate its robustness in guarding against threats and unauthorized access. The hardware is supported by 6 GB of DRAM and 2 GB of flash memory, providing sufficient capacity for operating system functionalities and future updates.
  • Form Factor: 2 RU, allowing for efficient use of rack space and easier integration into existing network infrastructure.
  • Mounting Brackets Included: Ensuring easy installation in various environments without the need for additional accessories.
  • Power Supply: 1 AC, designed to deliver consistent power and performance with a focus on energy efficiency.
This security appliance is built to cater to demanding network environments where security, reliability, and performance cannot be compromised. Its comprehensive set of features and capabilities make it a suitable choice for businesses looking to protect their network resources and data from an ever-evolving landscape of cyber threats. With the CISCO ASA5585-S20C20-K9, organizations can achieve a balance between high-security standards and the need for high-speed network connectivity, making it a valuable addition to any enterprise network.


Item Code CISCO ASA5585-S20C20-K9
Enclosure Type ASA 5585-X
Total Ports 16
Port Specification 1 GbE RJ-45
Console Interface (RJ-45) 1
Management Interface Ports (RJ-45 GbE) 2
AUX Interface (RJ-45) 1
USB Interface Count 2
Throughput under Load 4 Gbps
VPN Data Rate 1 Gbps
Maximum Active Sessions 750,000
Throughput with Firewall and IPS 2 Gbps
Memory (DRAM) 6 GB
Storage (Flash) 2 GB
VPN Tunnel Capacity 5000
Device Size 2 RU
Bracket Availability Yes
Power Unit Type AC

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