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ASA 5516-X SSD variant ensures fast, reliable performance with stable operation for mid-sized networks.
ASA5516-SSD
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ASA 5516-X SSD
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ASA5516-SSD
- Description:
- ASA 5516-X SSD
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ASA5516-SSD Overview
ASA5516-SSD is a high-performance rack-mounted hardware appliance engineered to deliver robust security and rapid throughput for enterprise and branch office networks. Built with integrated IPS, antivirus, web filtering, and VPN capabilities, it offers an advanced defense against modern threats while maintaining optimal network performance.
Designed for flexible deployment in cloud-managed and on-premise environments, the ASA5516-SSD features a balanced port configuration that includes LAN, WAN, and SFP interfaces, along with redundant AC power supplies for maximum uptime. Its scalable architecture, high availability with active-passive clustering options, and comprehensive management features make it ideal for secure access, deep packet inspection, and unified threat management use cases.
ASA5516-SSD price is is available on request. Get immediate quote.
Request bulk order quote for ASA5516-SSD for additional pricing. Browse the full Cisco Asa With Firepower Services series or explore all Cisco products.
ASA5516-SSD Specifications
- Product Type
- Firewall Appliance
- Architecture
- Rack-mount
- Deployment Type
- Enterprise / Branch Office
- Use Case
- VPN / Secure Access / Segmentation / UTM
- Firewall Layer Supported
- Layer 7
- Power Source
- AC Power Supply
- Redundant Power Supply Supported
- Yes
- Firewall Throughput
- 4 Gbps
- Threat Protection Throughput
- 3 Gbps
- IPS Throughput
- 2 Gbps
- VPN Throughput
- 1.5 Gbps
- Supported Applications
- 100
- Centralized Configuration & Reporting
- Yes
- Feature
- Deep Packet Inspection, Advanced Threat Defense
- Concurrent Sessions
- 250000
- Maximum Concurrent Sessions
- 500000
- Users/Nodes
- Unlimited
- Integrated I/O
- 8
- New Sessions Per Second
- 30000
- Supported VPN Types
- IPSec / SSL VPN
- Routing Protocols Supported
- OSPF / BGP / RIP / Static Routing
- Security Services
- Antivirus / Web Filtering / Application Control / IPS / VPN
- High Availability
- Active-Passive
- Interfaces
- RJ-45 / SFP
- WAN Ports
- 2 WAN
- LAN Ports
- 8 LAN Ports
- Switch Ports
- Yes
- POE Ports
- No
- Management Options
- Cloud / CLI / GUI / Centralized / REST API / SNMP
- Logging & Monitoring
- Built-in / Syslog / Cloud Logging
- Firewall Policies Supported
- 1000
- Users Supported
- Unlimited
- Memory
- 8 GB
- Flash Storage
- 128 GB SSD
- Expansion Slots
- SFP
- Form Factor
- 1 RU
- Rack Units
- 1 RU
- Device Type
- NGFW
- Product Name
- ASA5516-SSD
- Height
- 1.75 inches
- Width
- 17 inches
- Depth
- 16 inches
- Weight
- 15 lbs
ASA5516-SSD Use Case
High-Throughput Threat Prevention with SSD-Accelerated Firepower Services
In a global retail chain’s distributed branches, the Cisco ASA5516-X with SSD drives Firepower Threat Defense at wire speed, enabling real-time deep-packet inspection and IPS without performance degradation. By offloading log writes and policy lookups to SSD, the security team detects and blocks zero-day attacks in under 50ms. Outcome: 40% faster threat mitigation, lower false positives and PCI DSS compliance through continuous, high-fidelity logging.
Scalable SSL VPN Termination for High-Performance Remote Access
A financial services firm deploys ASA5516-X SSD units to terminate 2,000+ concurrent SSL VPN sessions for its global workforce. The SSD’s low-latency I/O ensures session state data and user authentication caches are written instantly, delivering sub-100ms login times and seamless failover. Outcome: 3x faster access provisioning, 99.99% uptime SLA, and end-to-end AES-256 encryption meeting FIPS 140-2 requirements.
Real-Time Forensic Analysis and Compliance Reporting
In a healthcare network subject to HIPAA audits, ASA5516-X SSD stores and indexes Firepower eStreamer logs and NetFlow records locally. Security analysts run ad-hoc queries against terabytes of data in seconds, reconstructing event timelines for intrusion forensics and regulatory reporting. Outcome: 5x faster incident response, validated audit trails and up to 80% reduction in compliance-related man-hours.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| ASA5516-SSD |  ASA5506H-SP-BUN-K9 |  ASA5555-FTD-BUN |  ASA5506W-Z-K9 |  ASA5506W-E-K9 | |
|---|---|---|---|---|---|
| Architecture | Rack-mount | Desktop | Rack-mount | Desktop | Desktop |
| Centralized Configuration & Reporting | Yes | Cisco ASDM | Yes | Cisco Adaptive Security Device Manager (ASDM) & Cisco Security Manager | ASDM |
| Concurrent Sessions | 250000 | 50000 | 250000 | 50000 | 10,000 |
| Deployment Type | Enterprise / Branch Office | Small Business / Branch Office | Enterprise / Branch Office | Small Business / Enterprise / Branch Office | Small Business / Branch Office |
| Depth | 16 inches | 13 inches | 15 inches | 8.09 in | N/A |
| Device Type | NGFW | NGFW | NGFW | NGFW | NGFW |
| Expansion Slots | SFP | N/A | SFP | N/A | SFP |
| Feature | Deep Packet Inspection, Advanced Threat Defense | Next-Generation Firewall, Advanced Threat Protection | Next-Generation Firewall with integrated threat prevention | FirePOWER services integrated | Integrated Wireless Controller |
| Firewall Layer Supported | Layer 7 | Layer 3 / Layer 4 / Layer 7 | Layer 3 / Layer 7 | Layer 3 | Layer 3 |
| Firewall Policies Supported | 1000 | N/A | 1000 | N/A | N/A |
| Firewall Throughput | 4 Gbps | 300 Mbps | 5 Gbps | 650 Mbps | 0.3 Gbps |
| Flash Storage | 128 GB SSD | 16 GB | 128 GB | 32 GB | 8 GB |
| Form Factor | 1 RU | Desktop | Rack-mount | Desktop | Desktop |
| Height | 1.75 inches | 1.7 inches | 1.75 inches | 1.1 in | N/A |
| High Availability | Active-Passive | Active-Passive | Active-Passive | Active-Passive | Active-Passive |
| IPS Throughput | 2 Gbps | 100 Mbps | 2 Gbps | 150 Mbps | 0.25 Gbps |
| Integrated I/O | 8 | 8 | N/A | 8 | 8 |
| Interfaces | RJ-45 / SFP | RJ-45 / SFP | RJ-45 / SFP | RJ-45 / SFP | RJ-45 / SFP |
| LAN Ports | 8 LAN Ports | 8 LAN Ports | 8 LAN Ports | 8 LAN Ports | 8 LAN Ports |
| Logging & Monitoring | Built-in / Syslog / Cloud Logging | Built-in | Built-in / Syslog | Built-in | Built-in |
| Management Options | Cloud / CLI / GUI / Centralized / REST API / SNMP | CLI / GUI / Centralized / SNMP | Cloud / CLI / GUI / SNMP | CLI / GUI / ASDM / SNMP | CLI / GUI / ASDM |
| Maximum Concurrent Sessions | 500000 | 100000 | 500000 | 50000 | 30,000 |
| Memory | 8 GB | 4 GB | 16 GB | 4 GB | 2 GB |
| New Sessions Per Second | 30000 | N/A | 50000 | 3200 | 1,500 |
| POE Ports | No | No | No | No | No |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | ASA5516-SSD | ASA5506H-SP-BUN-K9 | ASA5555-FTD-BUN | Cisco ASA 5506W-Z-K9 | Cisco ASA5506W-E-K9 |
| Product Type | Firewall Appliance | Firewall Appliance | Firewall Appliance | Firewall Appliance | Firewall Appliance |
| Rack Units | 1 RU | N/A | 1 RU | N/A | N/A |
| Redundant Power Supply Supported | Yes | No | Yes | No | No |
| Routing Protocols Supported | OSPF / BGP / RIP / Static Routing | OSPF / BGP / RIP / Static Routing | OSPF / BGP / Static Routing | OSPF / Static Routing | OSPF / Static Routing |
| Security Services | Antivirus / Web Filtering / Application Control / IPS / VPN | Antivirus / Web Filtering / Application Control / IPS / VPN | Antivirus / Web Filtering / Application Control / IPS / VPN | Antivirus / Web Filtering / Application Control / IPS / VPN | Antivirus / Web Filtering / IPS / VPN |
| Supported Applications | 100 | N/A | 10 | N/A | N/A |
| Supported VPN Types | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN |
| Switch Ports | Yes | No | No | No | Yes |
| Threat Protection Throughput | 3 Gbps | 100 Mbps | 3 Gbps | 150 Mbps | N/A |
| Use Case | VPN / Secure Access / Segmentation / UTM | VPN / Secure Access / UTM | VPN / Secure Access / Segmentation / UTM | VPN / Secure Access / UTM | VPN / UTM |
| Users Supported | Unlimited | N/A | Unlimited | 250 | N/A |
| Users/Nodes | Unlimited | N/A | Unlimited | 250 | N/A |
| VPN Throughput | 1.5 Gbps | 100 Mbps | 1.5 Gbps | 250 Mbps | 0.075 Gbps |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | N/A | 1 WAN |
| Weight | 15 lbs | 5 lbs | 15 lbs | 6.6 lbs | N/A |
| Width | 17 inches | 17 inches | 17.5 inches | 8.66 in | N/A |
Reviews & Ratings
K
Kaia Barrett
5
Professional-grade appliance with minimal downtime and efficient management.
L
Luca Blake
4
Durable and easy to deploy for enterprise environments.
M
Maren Carter
5
Consistent, secure, and efficient firewall performance.
N
Nash Hayes
5
Handles critical applications reliably and securely.
Questions & Answers
What is Cisco ASA5516-SSD (SKU: ASA5516-SSD)?
The Cisco ASA5516-SSD is a next-generation firewall appliance in the ASA5500-X series featuring integrated SSD storage for high-speed log processing, threat inspection, and VPN termination.
What SSD storage capacity does the ASA5516-SSD include and support?
The ASA5516-SSD ships with a factory-installed 120 GB M.2 SATA SSD and can be upgraded to 480 GB using Cisco-approved M.2 SSD modules.
What firewall throughput can I expect from the ASA5516-SSD?
With threat inspection enabled, the ASA5516-SSD delivers up to 750 Mbps of firewall throughput.
How many VPN sessions does the ASA5516-SSD support?
It supports up to 250 IPsec VPN peers and up to 1,000 AnyConnect SSL VPN sessions concurrently.
Does the ASA5516-SSD support high availability configurations?
Yes, it supports active/standby high availability with stateful session synchronization for seamless failover.
Which network interfaces are included on the ASA5516-SSD?
The appliance offers eight Gigabit Ethernet data ports, one Gigabit management port, one RJ-45 console port, and two service module expansion slots.
What advanced security features are integrated in the ASA5516-SSD?
It combines stateful firewalling, intrusion prevention (IPS), URL filtering, malware protection, advanced threat defense, and VPN concentrator capabilities.
What are the form factor and power specifications for the ASA5516-SSD?
The unit is a 1 RU rack-mount chassis with dual internal power supplies (100–240 V AC) and a maximum power consumption of 60 W.
How do I upgrade or provision additional SSD storage?
Install a Cisco-approved M.2 SATA SSD module in the dedicated slot, then configure and format the drive using ASDM or the CLI.
Is the internal SSD on the ASA5516-SSD hot-swappable?
No, the internal SSD is not hot-swappable. The device must be powered down prior to SSD replacement or upgrade.
Which Cisco ASA software version is required for SSD support?
The ASA5516-SSD requires Cisco ASA Software version 9.8 or later to enable full SSD performance and feature support.
What management tools can I use with the ASA5516-SSD?
You can manage the device via Cisco ASDM, the CLI (SSH/console), or Cisco Security Manager for centralized policy and reporting.
What warranty and support options are available for ASA5516-SSD?
It includes a one-year limited hardware warranty and 90 days of software updates. Cisco SMARTnet is available for extended services and 24/7 support.
Can I enable disk encryption on the ASA5516-SSD?
Yes, full-disk AES-256 encryption is supported through Cisco Secure Boot and Secure Disk options to protect sensitive data at rest.
What are common use cases for the ASA5516-SSD?
Ideal for medium-sized enterprises needing high-speed logging, advanced threat detection, site-to-site and remote-access VPN termination.
How does integrated SSD storage improve ASA5516-SSD performance?
SSD storage reduces log‐write latency by up to 50%, accelerates threat analytics, and stabilizes VPN throughput under heavy loads.