Allied Telesis x250 Series 10 Gigabit Layer 3 stackable switches provide resilient high-speed edge connectivity. All ports support up to 10G speed enabling seamless communication for enterprise servers and other modern applications, with multi-gigabit or fiber connectivity.
Overview
Key Features
Specifications
| Product | 100/1000T/2.5G/5G/10G (RJ-45) Copper Ports | 1G/10G SFP+ Ports | Total Ports | Switching Fabric | Forwarding Rate |
|---|---|---|---|---|---|
| x250-18XTm | 16 | 2 | 18 | 360Gbps | 267.9Mpps |
| x250-28XTm | 24 | 4 | 28 | 560Gbps | 416.7Mpps |
| x250-18XS | – | 18 | 18 | 360Gbps | 267.9Mpps |
| x250-28XS | – | 28 | 28 | 560Gbps | 416.7Mpps |
Physical
| Product | Width | Depth | Height | Weight |
|---|---|---|---|---|
| x250-18XTm | 210 mm (8.27 in) | 346 mm (13.62 in) | 42.5 mm (1.67 in) | TBD |
| x250-28XTm | 440 mm (17.32 in) | 290 mm (11.41 in) | 44 mm (1.73 in) | 4.0 kg (8.8 lb) |
| x250-18XS | 210 mm (8.27 in) | 346 mm (13.62 in) | 42.5 mm (1.67 in) | 2.7 kg (5.9 lb) |
| x250-28XS | 440 mm (17.32 in) | 290 mm (11.41 in) | 44 mm (1.73 in) | 3.8 kg (8.3 lb) |
Power and Noise Characteristics
| Product | Max Power Consumption | Max Heat Dissipation | Noise |
|---|---|---|---|
| x250-18XTm | TBD | TBD | TBD |
| x250-28XTm | 160W | 540 BTU/h | 46-63 dBA |
| x250-18XS | 70W | 236 BTU/h | 39-48 dBA |
| x250-28XS | 86W | 293 BTU/h | 39-52 dBA |
Ordering Information
AT-x250-18XTm
16-port 100M/1/2.5/5/10G stackable copper
switch with 2 x SFP/SFP+ports, and a single
fixed PSU
AT-x250-28XTm
24-port 100M/1/2.5/5/10G stackable copper
switch with 4 x SFP/SFP+ports, and a single
fixed PSU
AT-x250-18XS
18-port SFP/SFP+ stackable fiber switch, with a
single fixed PSU
AT-x250-28XS
28-port SFP/SFP+ stackable fiber switch,
with a single fixed PSU
AT-BRKT-J24
Wall mount bracket
AT-RKMT-J14
Rack mount kit for x250-18XTm and
x250-18XS
AT-RKMT-J15
Rack mount kit for x250-18XTm and
x250-18XS
AT-STND-J03
Rack mount kit to install two devices side by side
in a 19-inch equipment rack – x250-18XTm and
x250-18XS
| Name | Description | Includes | Stack Licensing |
|---|---|---|---|
| AT-FL-x250-APP | VLAN Q-in-Q and PTP license | VLAN Q-in-Q PTP Transparent Mode VLAN translation |
One license per stack member |
| AT-FL-x250-OF13-1YR | OpenFlow license | OpenFlow v1.3 for 1 year | Not supported on a stack |
| AT-FL-x250-OF13-5YR | OpenFlow license | OpenFlow v1.3 for 5 years | Not supported on a stack |
All Models
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.
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Add to quoteAllied 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.
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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.
Notice: This product is not available for purchase.
End-of-Sale information
End of Sale Announced
End of Software Support
End of Life
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Notice: This product is not available for purchase.
End-of-Sale information
End of Sale Announced
End of Software Support
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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