The Allied Telesis x550 Series of stackable 10 Gigabit Layer 3 switches feature advanced resiliency and capacity coupled with effortless management, to meet the needs of even the most demanding network core and distribution applications.
Overview
Key Features
Specifications
| Product | 1G/10G (RJ-45) Copper Ports | 1G/2.5G/5G/10G (RJ-45) Copper Ports | 1G/10G SFP+ Ports | 40G QSFP Ports | Max PoE Enabled Ports | Switching Fabric | Forwarding Rate |
|---|---|---|---|---|---|---|---|
| x550-18XTQ | 16 | – | – | 2 | – | 480Gbps | 357.1Mpps |
| x550-18XSQ | – | – | 16 | 2 | – | 480Gbps | 357.1Mpps |
| x550-18XSPQm | – | 8 | 8 | 2 | 8 | 480Gbps | 357.1Mpps |
Physical
| Product | Width | Depth | Height | Weight |
|---|---|---|---|---|
| x550-18XTQ | 210 mm (8.3 in) | 346 mm (13.6 in) | 44 mm (1.7 in) | 3.1 kg (6.85 lb) |
| x550-18XSQ | 210 mm (8.3 in) | 346 mm (13.6 in) | 44 mm (1.7 in) | 3.2 kg (7.00 lb) |
| x550-18XSPQm | 440 mm (17.3 in) | 260 mm (10.2in) | 44 mm (1.7 in) | 4.2 kg (9.15 lb) |
Power and Noise Characteristics
| Product | No PoE Load Max Power Consumption | No PoE Load Max Heat Dissipation | No PoE Load Noise | Full PoE+ Load Max Power Consumption | Full PoE+ Load Max Heat Dissipation | Full PoE+ Load Noise | Max PoE Power | Max PoE+ ports at 30W Per Port |
|---|---|---|---|---|---|---|---|---|
| x550-18XTQ | 128W | 436 BTU/h | 50 dBA | – | – | – | – | – |
| x550-18XSQ | 111W | 378 BTU/h | 46 dBA | – | – | – | – | – |
| x550-18XSPQm | 99W | 338 BTU/h | 47 dBA | 391W | 1334 BTU/h | 47 dBA | 240W | 8 |
Ordering Information
Model availability can vary between regions. Please check our website to see which models are available in your region.
Note: switches ship with 19-inch rack mount brackets
AT-x550-18XTQ-xx
16-port 1G/10G BaseT stackable switch with
2 QSFP ports, and a single fixed power supply
AT-x550-18XSQ-xx(1)
16-port 1G/10G SFP+ stackable switch with
2 QSFP ports, and a single fixed power supply
AT-x550-18XSPQm-xx(1)
8-port 1G/2.5G/5G/10G BaseT PoE+ and 8-port
1G/10G SFP+ stackable switch with
2 QSFP ports, and a single fixed power supply
AT-RKMT-J15
Rack mount kit to install two XTQ and/or XSQ
devices side by side in a 19-inch equipment rack
AT-STND-J03
Stand-kit for AT-x550-18XTQ and
AT-x550-18XSQ
(1) Trade Act Agreement compliant
Where xx =
10 for US power cord
20 for no power cord
30 for UK power cord
40 for Australian power cord
50 for European power cord
Feature Licenses
| Name | Description | Includes | Stack Licensing |
|---|---|---|---|
| AT-FL-x550-01 | x550 Premium license | BGP4 (256 routes) RIP (256 routes) OSPF (256 routes) PIMv4-SM, DM and SSM EPSR master VLAN double tagging (Q-in-Q) RIPng (256 routes) OSPFv3 (256 routes) MLDv1 and v2 PIM-SMv6/SSMv6 UDLD PTP Transparent mode |
One license per stack member |
| AT-SW-APM10-1YR(2),(3) | Cumulative AMF Plus Master license | AMF Plus Master license for up to 10 nodes for 1 year | One license per stack |
| AT-SW-APM10-5YR(2),(3) | Cumulative AMF Plus Master license | AMF Plus Master license for up to 10 nodes for 5 years | One license per stack |
| AT-SW-AWC10-1YR(4) | Cumulative AWC license | Autonomous Wave Control (AWC) license for up to 10 access points for 1 year | One license per stack |
| AT-SW-AWC10-5YR(4) | Cumulative AWC license | Autonomous Wave Control (AWC) license for up to 10 access points for 5 years | One license per stack |
| AT-SW-CB10-1YR-2022(5) | Cumulative AWC-CB and AWC-SC license | AWC Channel Blanket and AWC Smart Connect license for up to 10 access points for 1 year | One license per stack |
| AT-SW-CB10-5YR-2022(5) | Cumulative AWC-CB and AWC-SC license | AWC Channel Blanket and AWC Smart Connect license for up to 10 access points for 5 years | One license per stack |
| AT-FL-x550-OF13-1YR | OpenFlow license | OpenFlow v1.3 for 1 year | Not supported on a stack |
| AT-FL-x550-OF13-5YR | OpenFlow license | OpenFlow v1.3 for 5 years | Not supported on a stack |
| AT-FL-x550-8032 | ITU-T G.8032 license | G.8032 ring protection Ethernet CFM |
One license per stack member |
| AT-FL-x550-CPOE | Continuous PoE license | Continuous PoE power for XSPQm models | One license per stack member |
| AT-FL-x550-MSEC | MACSec license | Media Access Control Security | One license per stack member |
(2) From AW+ version 5.5.2-2 onwards, AMF Plus licenses provide all standard AMF network management and automation features. They also enable the AMF Plus intent-based networking features menu in Vista Manager EX (from version 3.10.1 onwards)
(3) Purchase one license per 10 nodes (up to 40 nodes maximum)
(4) 5 APs can be managed for free. Purchase one license per 10 additional APs (up to 40 APs maximum)
(5) Channel Blanket and Smart Connect are not available as free services. Both an AWC-CB license and an AWC license are required for Channel Blanket and/or Smart Connect to operate. Purchase one AWC-CB license per 10 APs (up to 40 APs maximum). Channel Blanket is supported on TQ6602, TQ5403, and TQ5403e access points. Smart Connect is supported on TQ5403, and TQ5403e access points
All Models
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Add to quoteAllied Telesis named in the 2026 CRN® Partner Program Guide
Allied Telesis is proud to be selected for the 2026 CRN Partner Program Guide, a high-value vendor program for solution providers.
Add to quoteAllied Telesis Wins Awards at the MEC Congress in Germany
Allied Telesis wins first place in Best Edge Computing Technology and Most Successful MEC Partnership categories.
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Notice: This product is not available for purchase.
End-of-Sale information
End of Sale Announced
End of Software Support
End of Life
Alternate Products
Benefits of No Compromise Wi-Fi
Hybrid wireless provides better wireless coverage and easier access point deployment for a no-compromise Wi-Fi experience
Notice: This product is not available for purchase.
End-of-Sale information
End of Sale Announced
End of Software Support
End of Life
Alternate Products
Allied Telesis Restructures and Commits to Middle East Operation
Kenneth Torp brings 25 years of industry experience and joins as Senior Vice President of the Middle East region.
Notice: This product is not available for purchase.
End-of-Sale information
End of Sale Announced
End of Software Support
End of Life
Alternate Products
5 Ways to Protect IP Video Surveillance Systems
The top 5 IP security and surveillance solutions to help protect your network from faults or breakdowns.
Notice: This product is not available for purchase.
End-of-Sale information
End of Sale Announced
End of Software Support
End of Life
Alternate Products
Industrial IoT and the Benefits of Edge Computing
We discuss the Industrial Internet of Things (IIoT) and the connectivity of "things" to maintain production efficiency.
Notice: This product is not available for purchase.
End-of-Sale information
End of Sale Announced
End of Software Support
End of Life
Alternate Products
Allied Telesis and Canopy Launch Joint, Fully Integrated Solutions for Single-Platform Device Management
Allied Telesis switches can be fully managed, monitored, and troubleshooted remotely with Canopy’s device management software.
Notice: This product is not available for purchase.
End-of-Sale information
End of Sale Announced
End of Software Support
End of Life
Alternate Products
Introducing the x980 Series Data Center Switches
x980 Series switches are a smarter, faster way to build GenAI- and Agentic AI-ready data centers.
Notice: This product is not available for purchase.
End-of-Sale information
End of Sale Announced
End of Software Support
End of Life
Alternate Products
Allied Telesis named in the 2026 CRN® Partner Program Guide
Allied Telesis is proud to be selected for the 2026 CRN Partner Program Guide, a high-value vendor program for solution providers.
Notice: This product is not available for purchase.
End-of-Sale information
End of Sale Announced
End of Software Support
End of Life
Alternate Products
Accessories
Allied Telesis Wins Awards at the MEC Congress in Germany
Allied Telesis wins first place in Best Edge Computing Technology and Most Successful MEC Partnership categories.
Get Closer to Your Users with Edge Computing
Edge computing offers many possibilities to increase business agility and improve user experience.
Allied Telesis Partners with Echelon to Deliver Solutions for Smart Cities and Smart Buildings
Allied Telesis Partners with Echelon to Deliver Solutions for Smart Cities and Smart Buildings.
Benefits of No Compromise Wi-Fi
Hybrid wireless provides better wireless coverage and easier access point deployment for a no-compromise Wi-Fi experience
Allied Telesis Restructures and Commits to Middle East Operation
Kenneth Torp brings 25 years of industry experience and joins as Senior Vice President of the Middle East region.
5 Ways to Protect IP Video Surveillance Systems
The top 5 IP security and surveillance solutions to help protect your network from faults or breakdowns.
Industrial IoT and the Benefits of Edge Computing
We discuss the Industrial Internet of Things (IIoT) and the connectivity of "things" to maintain production efficiency.
Allied Telesis and Canopy Launch Joint, Fully Integrated Solutions for Single-Platform Device Management
Allied Telesis switches can be fully managed, monitored, and troubleshooted remotely with Canopy’s device management software.
Introducing the x980 Series Data Center Switches
x980 Series switches are a smarter, faster way to build GenAI- and Agentic AI-ready data centers.
Allied Telesis named in the 2026 CRN® Partner Program Guide
Allied Telesis is proud to be selected for the 2026 CRN Partner Program Guide, a high-value vendor program for solution providers.
Documentation
Allied Telesis Wins Awards at the MEC Congress in Germany
Allied Telesis wins first place in Best Edge Computing Technology and Most Successful MEC Partnership categories.
Get Closer to Your Users with Edge Computing
Edge computing offers many possibilities to increase business agility and improve user experience.
Allied Telesis Partners with Echelon to Deliver Solutions for Smart Cities and Smart Buildings
Allied Telesis Partners with Echelon to Deliver Solutions for Smart Cities and Smart Buildings.
Benefits of No Compromise Wi-Fi
Hybrid wireless provides better wireless coverage and easier access point deployment for a no-compromise Wi-Fi experience
Allied Telesis Restructures and Commits to Middle East Operation
Kenneth Torp brings 25 years of industry experience and joins as Senior Vice President of the Middle East region.
5 Ways to Protect IP Video Surveillance Systems
The top 5 IP security and surveillance solutions to help protect your network from faults or breakdowns.
Industrial IoT and the Benefits of Edge Computing
We discuss the Industrial Internet of Things (IIoT) and the connectivity of "things" to maintain production efficiency.
Allied Telesis and Canopy Launch Joint, Fully Integrated Solutions for Single-Platform Device Management
Allied Telesis switches can be fully managed, monitored, and troubleshooted remotely with Canopy’s device management software.
Introducing the x980 Series Data Center Switches
x980 Series switches are a smarter, faster way to build GenAI- and Agentic AI-ready data centers.
Allied Telesis named in the 2026 CRN® Partner Program Guide
Allied Telesis is proud to be selected for the 2026 CRN Partner Program Guide, a high-value vendor program for solution providers.
Related Videos
Allied Telesis Wins Awards at the MEC Congress in Germany
Get Closer to Your Users with Edge Computing
Allied Telesis Partners with Echelon to Deliver Solutions for Smart Cities and Smart Buildings
Benefits of No Compromise Wi-Fi
Allied Telesis Restructures and Commits to Middle East Operation
5 Ways to Protect IP Video Surveillance Systems
Industrial IoT and the Benefits of Edge Computing
Allied Telesis and Canopy Launch Joint, Fully Integrated Solutions for Single-Platform Device Management