Asa5550 K8
Overview
Product sourcing insights & recommendations
The Cisco ASA5550-K8 is a legacy security appliance that reached its official End of Service Life (EOSL) on September 30, 2018 CiscoCisco. In 2026, it is considered an obsolete product, primarily found in the secondary market for maintenance of legacy environments or lab use.
Product Specifications & Status
* Performance: 1.2 Gbps firewall throughput with support for 500,000 concurrent connections Linknewnet.
* Encryption: The "K8" designation indicates standard DES encryption capabilities (typically for regions with export restrictions), whereas K9 units support 3DES/AES.
* Lifecycle: The unit was officially withdrawn from sale in September 2013 and has not received software updates (beyond version 9.1) or technical support for several years CiscoReddit.
Market Trends & Replacement Insights
* Market Demand: Demand has shifted entirely to Next-Generation Firewalls (NGFW) that integrate deep packet inspection and cloud-based threat intelligence.
* Successor Models: Cisco officially recommended the ASA 5555-X as the direct performance replacement, offering 4 Gbps of throughput and integrated FirePOWER services Cisco. Newer enterprise replacements include the Cisco Secure Firewall 3100 Series Cisco.
* Current Pricing (Secondary Market):
* Refurbished ASA5550-K8: Available units are priced between $196 and $469, often sold as "restored" or "used surplus" WalmartIt-PlanetOrangehardwares.
* Successor Pricing: Refurbished mid-range successors like the ASA 5512-X or 5515-X are currently listed in the $2,100 - $2,500 range on B2B platforms AlibabaAlibaba.
Migrating to the ASA 5555-X or newer Firepower models is highly recommended for any production environment due to the lack of security patches for the original 5550 hardware RackspaceReddit.
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Sources & References
50 sources cited · Verified industry data & reports
End-of-Sale and End-of-Life Announcement for the ...
Cisco Systems
Cisco announces the end-of-sale and end-of life dates for the Cisco ASA 5550 Adaptive Security Appliances. The last day to order the affected product(s) is ...
Cisco ASA5550-K8 EOL & EOSL Dates | Lifecycle Status
Layer23-Switch
As of 2026-05-28, this page records Cisco ASA5550-K8 lifecycle milestones from the available lifecycle database. The published EOSL date is 2018-09-30.
cisco asa 5550 security appliance
Service Express
View End of Life (EOL) & End of Service Life (EOSL) dates for CISCO ASA 5550 SECURITY APPLIANCE ASA5550-K8 hardware. Search our database for more.
CISCO ASA5550-DC-K8 End Of Life (EOL) | Firewalls
Router-Switch.com
ASA5550-DC-K8 EOL Data. End of-Life Announcement (EOL), 03/18/2013. End of Sale (EOS), 09/16/2013. End of Service Life (EOSL), 09/30/2018.
ASA5550-K8 - Cisco ASA 5500 Series Security Appliance
LinkNewNet
Memory (RAM) 1 GB Flash Memory 256 MB Performance 1.2 Gbps Connections 500,000 concurrent VPN Sessions 5,000 … 650 Mbps Power Supply. Dimensions 17.5 x 15.4 x ...
Cisco ASA5505-K8 End of Sale, End of Life Date ... - ITMall
itmall.sale
The Cisco ASA5505-K8 End of Life date is represented by the Last Date of Support, which is 2022-08-30. This is the key lifecycle date for support planning, ...