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Jonathan Price
5
Robust platform with plenty of expansion options.
SRX550-645AP-M
SRX550 Services Gateway with 4G DRAM, 8G CF and 1 AC PSU
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Name:
SRX550-645AP-M
- Description:
- SRX550 Services Gateway with 4G DRAM, 8G CF and 1 AC PSU
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Added to cart 28 times recently
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- Brand:
- Juniper
- GTIN:
- 832938073432
- Condition:
- Warranty:
- 3
- List Price:
$13,374.00
- Price:
$4,245.0068.3% off
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1
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SRX550-645AP-M Overview
SRX550-645AP-M is a high-performance, rack-mounted hardware security appliance engineered for branch office and enterprise deployments. Designed with multi-core processing and integrated security services, it delivers robust firewall throughput along with IPS, antivirus, web filtering, and VPN capabilities. Featuring a versatile port configuration that includes multiple LAN, WAN, and SFP interfaces, this model supports flexible network segmentation and secure remote access while meeting demanding performance requirements.
SRX550-645AP-M also ensures maximum network uptime through its redundant AC power configuration and active-passive high availability options. With centralized management capabilities via cloud, CLI, GUI, REST API, and SNMP, this next-generation firewall appliance is ideally suited for environments ranging from SMBs to large enterprises. Its proven scalability and clustering readiness make it an excellent choice for distributed, branch, and cloud-connected infrastructures.
SRX550-645AP-M price is $4,245.00, a 68.3% saving from the Juniper list price of $13,374.00. SRX550-645AP-M is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SRX550-645AP-M for additional pricing. Browse the full Juniper Srx Series Service Gateways series or explore all Juniper products.
SRX550-645AP-M Specifications
- Product Type
- Firewall Appliance
- Architecture
- Rack-mount
- Deployment Type
- Branch Office / Enterprise
- Use Case
- VPN / Secure Access / Segmentation / UTM
- Firewall Layer Supported
- Layer 3 / Layer 4 / Layer 7
- Power Source
- AC Power Supply
- Redundant Power Supply Supported
- Yes
- Firewall Throughput
- 5 Gbps
- Threat Protection Throughput
- 1.5 Gbps
- IPS Throughput
- 1.0 Gbps
- VPN Throughput
- 2.5 Gbps
- Supported Applications
- 15
- Centralized Configuration & Reporting
- Yes
- Feature
- High performance, scalable security
- Concurrent Sessions
- 500000
- Maximum Concurrent Sessions
- 500000
- Users/Nodes
- Unlimited
- Integrated I/O
- 8
- New Sessions Per Second
- 8000
- 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
- Firewall Policies Supported
- 250
- Users Supported
- Unlimited
- Memory
- 8 GB
- Flash Storage
- 128 GB
- Expansion Slots
- SFP
- Form Factor
- 1 RU
- Rack Units
- 1 RU
- Device Type
- NGFW
- Product Name
- SRX550-645AP-M
- Height
- 1.75 inches
- Width
- 17 inches
- Depth
- 17 inches
- Weight
- 20 lbs
SRX550-645AP-M Use Case
Secure SD-WAN Branch Aggregation with SRX550 Services Gateway
A mid-sized retail chain deploys SRX550-645AP-M-SRX550 at 50 branch locations to terminate broadband and LTE links, leveraging its 4 GB DRAM for line-rate SD-WAN policy enforcement and 8 GB CompactFlash for local logging. Outcome: centralized management via Junos OS, 30% reduction in MPLS costs, and 99.99% WAN uptime with seamless failover.
Healthcare-Grade Threat Prevention in Hospital Networks
A regional hospital network uses the SRX550-645AP-M-SRX550 gateway’s integrated IDS/IPS and AppSecure modules—powered by 4 GB DRAM for real-time packet inspection and 8 GB CF for high-speed audit trails—to protect protected health information (PHI) and medical devices. Outcome: full HIPAA compliance, 50% fewer false positives, and continuous threat mitigation across all campus segments.
High-Performance Remote Worker VPN for Global Enterprises
A multinational corporation centralizes SSL VPN termination on an SRX550-645AP-M-SRX550 at headquarters, utilizing 4 GB DRAM for accelerated encryption and 8 GB CF for session persistence, with 1 AC PSU ensuring reliable power. Outcome: secure, zero-trust remote access for 500+ concurrent teleworkers, 40% faster login times, and end-to-end AES-256 encryption.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| SRX550-645AP-M |  SRX5600X-BASE |  SRX550-645AP |  SRX4200-SYS-JE-AC |  SRX345-SYS-JE | |
|---|---|---|---|---|---|
| Product Type | Firewall Appliance | Firewall Appliance | Firewall Appliance | Firewall Appliance | Firewall Appliance |
| Architecture | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Deployment Type | Branch Office / Enterprise | Enterprise / Data Center / Branch Office | Enterprise / Branch Office / SMB | Enterprise / Branch Office / Data Center | Enterprise / Branch Office |
| Use Case | VPN / Secure Access / Segmentation / UTM | VPN / Secure Access / Segmentation / UTM | VPN / Secure Access / Segmentation / UTM | VPN / Secure Access / UTM | VPN / Secure Access / UTM |
| Firewall Layer Supported | Layer 3 / Layer 4 / Layer 7 | Layer 3 / Layer 4 / Layer 7 | Layer 3 / Layer 4 / Layer 7 | Layer 3 / Layer 7 | Layer 3 / Layer 4 / Layer 7 |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Redundant Power Supply Supported | Yes | Yes | Yes | Yes | Yes |
| Firewall Throughput | 5 Gbps | 80 Gbps | 6.45 Gbps | 20 Gbps | 2 Gbps |
| Threat Protection Throughput | 1.5 Gbps | 20 Gbps | 2.0 Gbps | 4 Gbps | 1.5 Gbps |
| IPS Throughput | 1.0 Gbps | 17 Gbps | 2.0 Gbps | 4 Gbps | 1 Gbps |
| VPN Throughput | 2.5 Gbps | 25 Gbps | 3.5 Gbps | 8 Gbps | 1.5 Gbps |
| Supported Applications | 15 | 256 | 150 | N/A | 25 |
| Centralized Configuration & Reporting | Yes | Yes | Yes | Yes | Yes |
| Feature | High performance, scalable security | High performance security with integrated threat management | Next-Generation Firewall, Intrusion Prevention, VPN, Antivirus, Application Control | Integrated Security and Routing | Integrated Threat Intelligence |
| Concurrent Sessions | 500000 | 2000000 | 250000 | 600K | 500,000 |
| Maximum Concurrent Sessions | 500000 | 4000000 | 350000 | 600K | 1,000,000 |
| Users/Nodes | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
| Integrated I/O | 8 | N/A | 8 | 24 | 4 |
| New Sessions Per Second | 8000 | 150000 | 30000 | 50K | 50,000 |
| Supported VPN Types | IPSec / SSL VPN | IPSec / SSL VPN / GRE | IPSec / SSL VPN / L2TP | IPSec / SSL VPN | IPSec / SSL VPN |
| Routing Protocols Supported | OSPF / BGP / RIP / Static Routing | OSPF / BGP / RIP / Static Routing | OSPF / BGP / RIP / Static Routing | OSPF / BGP / RIP / Static Routing | OSPF / BGP / RIP / 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 / Application Control / IPS / VPN |
| High Availability | Active-Passive | Active-Passive / Active-Active | Active-Passive | Active-Passive | Active-Passive |
| Interfaces | RJ-45 / SFP | RJ-45 / SFP / SFP+ | RJ-45 / SFP / Combo Ports | RJ-45 / SFP | RJ-45 / SFP |
| WAN Ports | 2 WAN | 4 WAN | 2 WAN | 4 WAN Ports | 2 WAN |
| LAN Ports | 8 LAN Ports | 8 LAN Ports | 8 LAN Ports | 24 LAN Ports | 8 LAN Ports |
| Switch Ports | Yes | Yes | Yes | Yes | Yes |
| POE Ports | No | No | No | No | No |
| Management Options | Cloud / CLI / GUI / Centralized / REST API / SNMP | Cloud / CLI / GUI / Centralized / REST API / SNMP | CLI / GUI / SNMP / REST API | CLI / GUI / SNMP / REST API | Cloud / CLI / GUI / SNMP |
| Logging & Monitoring | Built-in / Syslog | Built-in / Syslog / Cloud Logging | Built-in / Syslog | Built-in | Built-in / Syslog |
| Firewall Policies Supported | 250 | 1000 | 200 | 1000 | 200 |
| Users Supported | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
| Memory | 8 GB | 16 GB | 16 GB | 8 GB | 8 GB |
| Flash Storage | 128 GB | 128 GB | 128 GB SSD | 128 GB | 64 GB |
| Expansion Slots | SFP | SFP / NP Module | SFP | SFP | SFP |
| Form Factor | 1 RU | 2 RU | 1 RU | Rack-mount | 1 RU |
| Rack Units | 1 RU | 2 RU | 1 RU | 2 RU | 1 RU |
| Device Type | NGFW | NGFW | NGFW | NGFW | NGFW |
| Product Name | SRX550-645AP-M | SRX5600X-BASE | SRX550-645AP | SRX4200-SYS-JE-AC | SRX345-SYS-JE |
| Height | 1.75 inches | 3.5 | 1.75 inches | 3.5 inches | 1.75 |
| Width | 17 inches | 17 | 17 inches | 17.2 inches | 17.5 |
| Depth | 17 inches | 28 | 18 inches | 18 inches | 15.5 |
| Weight | 20 lbs | 35 lbs | 15 lbs | 35 lbs | 15 |
Reviews & Ratings
M
Mark Sullivan
4
Handled higher traffic loads reliably.
H
Henry Wallace
5
Good fit for mid sized enterprise deployments.
V
Victor Hayes
5
Stable hardware with consistent throughput.
P
Paul Richardson
5
Satisfied with overall performance.
Questions & Answers
What is the SRX550-645AP-M Services Gateway?
The SRX550-645AP-M is a Juniper SRX550 Services Gateway featuring 4 GB DRAM, 8 GB CompactFlash and a single AC power supply, designed for high-performance branch security and routing.
What firewall throughput does SRX550-645AP-M deliver?
The SRX550-645AP-M delivers up to 3.3 Gbps of stateful firewall throughput, ensuring high-speed inspection and protection for medium to large branch office environments.
What IPsec VPN performance can I expect from the SRX550-645AP-M?
This Services Gateway supports up to 1.6 Gbps of IPsec VPN throughput, enabling secure, high-speed site-to-site and remote-access tunnels for distributed deployments.
How much memory and storage are included?
The SRX550-645AP-M includes 4 GB of DRAM for packet processing and 8 GB of CompactFlash for Junos OS software, logs, and configuration storage.
How many network interfaces are available?
It offers eight 10/100/1000 Mbps RJ-45 ports and two Gigabit Ethernet SFP slots, providing flexible connectivity for LAN, WAN and DMZ segments.
Which operating system and security features does it support?
Running Junos OS, the SRX550-645AP-M supports advanced security features including AppSecure, Unified Threat Management (UTM), NAT, zone-based firewall, and deep packet inspection.
Can I deploy the SRX550-645AP-M in high availability mode?
While this SKU includes a single AC PSU, you can enable chassis clustering with a secondary gateway (sold separately) to achieve active/active or active/passive high availability.
How is the SRX550-645AP-M managed?
You can manage the gateway via Junos Space, CLI, or Juniper Network Management Platform, offering centralized configuration, monitoring, and lifecycle management.
Does the SRX550-645AP-M require additional licenses?
Base features are included; you can add licenses for enhanced UTM, AppSecure, and advanced routing protocols. Licensing is flexible to fit evolving security requirements.
What power supply does the SRX550-645AP-M use?
This model is equipped with a single AC power supply (100–240 VAC) providing efficient, reliable power for small to medium branch installations.
What are the dimensions and form factor?
The SRX550-645AP-M is a 1U rack-mount appliance measuring 442 × 262 × 44 mm (17.4″ × 10.3″ × 1.7″) and weighing approximately 4.6 kg (10.1 lb).
What warranty and support options are available?
Juniper offers a one-year limited warranty with next-business-day replacement. Optional Juniper Care and J-Care bundles provide 24×7 support and advanced replacement.
How many concurrent sessions and PPS does it handle?
The SRX550-645AP-M supports up to 1.3 million concurrent sessions and can process 130 000 packets per second (PPS) to maintain consistent performance under load.
Is the SRX550-645AP-M suitable for branch office deployments?
Yes. Its balanced throughput, IPsec VPN capacity and advanced security features make it ideal for medium to large branch offices requiring consolidated routing and security.
Does it support next-generation security functions?
The gateway supports AppSecure for application visibility and control, UTM services such as antivirus, anti-spam, and web filtering, plus integrated intrusion prevention (IDS/IPS).
What energy-efficiency features does the SRX550-645AP-M offer?
With energy-efficient components, variable-speed fans, and low-power Junos OS, the SRX550-645AP-M minimizes power consumption and reduces operational costs in branch environments.