ITA-5231W - 2U Rack-mount EN 50155 Rail PC with 16GB DDR4, DVI-I graphics, 2x M12 Gigabit Ethernet ports and multiple wireless module options


Underwriters Laboratories (UL) is an independent product safety certification organisation based in the United States. UL develops standards for products, materials, components, assemblies, tool and equipment, mainly dealing with product safety.

EN 50155

EN 50155 is the European standard for electronic devices used in railway applications. The device must adhere to the strict specifications of EN 50155 including -25C to +70C wide operating temperature range, resistance to humidity, shocks, vibrations and radiation – all environmental demands encountered in the rail industry.

Extended Wide Temperature

These products utilise high quality industrial grade components enabling them to work in extended wide temperature environments. They are capable of running below -20C and above +70C and offer further protection than standard wide temperature rated products.

EN 50121

EN 50121 Industrial standard for Railway Networking and Communication products


M.2, formerly known as the Next Generation Form Factor (NGFF), is a specification for internally mounted computer expansion cards and associated connectors. M.2 replaces the mSATA standard, which uses the PCI Express Mini Card physical card layout and connectors. Employing a more flexible physical specification, the M.2 allows different module widths and lengths, and, paired with the availability of more advanced interfacing features, makes the M.2 more suitable than mSATA in general for solid-state storage applications


CE is a mandatory standard for products on the market in the European Economic Area. By CE marking a product, the manufacturer ensures that the item meets the essential safety requirements set out in the applicable CE directive.


This product fully adheres to the Restriction of Hazardous Substances Directive 2002/95/EC, RoHS for short.  The directive covers the restriction of use of certain hazardous substances in electrical and electronic equipment and was adopted in February 2003 by the European Union.

FCC Approved

The Federal Communications Commission (FCC) is an independent agency of the United States government that sets standards and governs the testing of conducted and radiated emissions such as EMI.

Windows 10

This system can be supplied with Windows 10 configured to your specification, including disk partitioning, driver and software installations, along with Windows feature setup and application-specific configuration.


This system features USB3 ports for fast communication to peripheral devices.

MiniPCI Express

This system features one or more miniPCI Express (mPCIe) slots for board level expansion.

ITA-5231W EN 50155 Rail Rack PC

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ITA-5231W with Intel Core i7-6822EQ 2.0GHz processor and 24V DC M12 power


ITA-5231W with Intel Core i5-6442EQ 1.9GHz processor and 24V DC M12 power


ITA-5231W with Intel Core i7-6822EQ 2.0GHz processor and 110V DC M12 power


ITA-5231W with Intel Core i5-6442EQ 1.9GHz processor and 110V DC M12 power

* Lead time is indicative and is subject to change at time of ordering. Next business day delivery on in-stock products only (when ordered before 3pm).
** Contact us for quantity or project pricing.
† Additional delivery charge may be incurred for certain postcodes (calculated at checkout)
VELA Rack - Powerful Industrial PCs, configured for your industry
Combining 38 years of Advantech's world-leading industrial computing development with 28 years of Impulse's industrial computing capabilities, the new VELA Rack range of configurable rack PC systems has the pedigree to support the most critical applications.
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ITA-5231W overview

  • Fanless computer for railway vehicle applications, fully compliant with EN 50155
  • Intel Skylake-H platform with QM170 chipset
  • Meets temperature standard: EN 50155 TX (-40°C to +70°C) and IEC 61373 body mount class B
  • Compliant with EN 50121-3-2/EN 50121-4 EMC test standard
  • Ruggedised connectors (M12) used for communication and power ports
  • Supports 2x miniPCIe and 4x M.2 sockets for GPS/3G/LTE/WiFi modules with 12 SIM slots
  • Supports 12 sets of N-type antenna holes
  • Supports easy-swap storage module and I/O module
  • No RED certification
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+44(0)1782 337 800
STOCK ALERT!Rack PCs, Embedded Box PCs, SBCs, and IIoT devices in stock and ready to ship.
Peter B.
Received excellent service from Impulse Embedded. We needed a bespoke industrial PC in a hurry and Impulse pulled out all the stops to deliver exactly what we wanted, on time and within our budget. Highly recommended.
Sep 2021
+44(0)1782 337 800