Eldo Systems is an independent reseller of refurbished and new-surplus enterprise networking equipment. We are not an authorized dealer of any manufacturer listed on this site.
Cisco ASA5516-FTD-K9 Firepower Threat Defense Security Appliance
Cisco Refurbished In Stock

Cisco ASA5516-FTD-K9 Firepower Threat Defense Security Appliance

SKU: ASA5516-FTD-K9

The Cisco ASA 5500 Series appliances integrate high-performance security services, like antivirus, antispam, antiphishing, and web filtering, enhancing user-based access control, worm mitigation, and malware protection. The Cisco ASA55016-FTD-K9 firewall is a crucial part of the Cisco Self-Defending Network, providing intelligent threat defense, application and network activity control, and secure connectivity.

$283 Free Ground Shipping
Lifetime Warranty
Genuine Hardware
Verified Serial Numbers
Free Ground Shipping
This is a refurbished/surplus product independently sourced by Eldo Systems. It is not sold by or through Cisco. All manufacturer trademarks are property of their respective owners.

Key Specifications

ModelCisco ASA 5516-X with Firepower Threat Defense
Interfaces8 x 10/100/1000 RJ-45 data, 1 x 10/100/1000 Mgmt
Stateful firewall throughputUp to 1.8 Gbps
NGIPS throughputUp to 900 Mbps (typical)
Max concurrent sessionsUp to 250,000
VPN peers (IPsec)Up to 250

Full Specifications

Appliance typeNext-Generation Firewall with integrated FTD
Ports8 x 1G RJ-45 data, 1 x 1G Mgmt, 1 x RJ-45 console, 1 x USB 2.0
AVC/URL throughputUp to 1.0 Gbps (typical)
Connections/secUp to 15,000 new connections per second
High availabilityActive/standby HA supported
StorageInternal 120 GB SSD (for FTD)
VPN performanceUp to 225 Mbps IPsec (typical, with AES)
Power100–240 VAC, 50/60 Hz, max ≈75 W
Form factor/dimensionsDesktop/1RU; approx. 1.72 × 17.2 × 12.1 in
Operating temperature0 to 40 °C (32 to 104 °F)

Frequently Asked Questions

Is the ASA5516-FTD-K9 in stock?

Yes, the Cisco ASA5516-FTD-K9 Firepower Threat Defense Security Appliance is currently in stock and available for immediate shipment from our Boulder, CO warehouse. Same-day shipping on orders placed before 2pm MT.

What condition is the ASA5516-FTD-K9 in?

This ASA5516-FTD-K9 is professionally refurbished or new-surplus enterprise hardware. Every unit is fully tested, factory-reset, and inspected before shipping. Cosmetic blemishes (rack marks, minor scuffs) may be present but never affect functionality.

What warranty does the ASA5516-FTD-K9 come with?

The ASA5516-FTD-K9 comes with the Eldo Systems Lifetime Warranty covering hardware defects. We are an independent reseller — manufacturer warranties do not apply, but our lifetime coverage matches or exceeds typical OEM terms.

How fast is shipping?

Free ground shipping on every order, included in the price. Orders ship same-day if placed before 2pm MT (Mon–Fri). Expedited overnight and 2-day options are available at checkout for urgent deployments.

Do you ship internationally?

Yes — we ship worldwide. International orders are quoted individually so we can present accurate freight, duties, and lead time. Use the Request a Quote form or call (484) 630-1533 to start.

Can I get bulk or project pricing for the ASA5516-FTD-K9?

Absolutely. We offer volume discounts and project pricing for resellers, integrators, and end-users buying in quantity. Submit a quote with your target quantity and our team will respond within 15 minutes during business hours.

Ready to Order?

Get the ASA5516-FTD-K9 from Eldo Systems with lifetime warranty and free ground shipping.

(484) 630-1533

Independent Reseller Notice: Eldo Systems is an independent reseller of refurbished and new-surplus enterprise networking equipment. We are not affiliated with, authorized by, or endorsed by Cisco, Juniper, Arista, HPE, Dell, Meraki, Fortinet, Mellanox, NVIDIA, Finisar, or any other manufacturer listed on this site. All product names, logos, and brands are property of their respective owners. All products sold are refurbished or new-surplus unless otherwise noted. Manufacturer warranties do not apply; all items are covered by the Eldo Systems Lifetime Warranty.

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