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MiSTer Multisystem Cartridge I/O PCB (For Development)

MiSTer Multisystem

£2.39 (Inc. VAT)
£1.99 (Ex. VAT)
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Minimum Purchase:
5 units
Maximum Purchase:
100 units
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This is a single MiSTer Multisystem (MMS) Expansion Cartridge I/O Bare PCB, ready to be used for development of expansion ideas on the MiSTer Multisystem and DIY component soldering.

This PCB is produced in the UK to the highest quality standards and is RoHS (lead free) and REACH compliant.

If you wish to design your own expansion cartridge, or make use of the SNAC, USB, VIDEO or audio and general purpose I/O connections, this is a great starting point.

This PCB is designed to fit into our Expansion port on the Multisystem, and other Heber Products.

PCB Board :56-23005-2IO

Board Construction:

Material to be 1.6mm FR4 4-layer PCB lead-free (RoHS compliant) with an Electroless Nickel Immersion (ENIG) finish.
Green solder resist on both sides including vias.


Full source files and documentation is available from our GitHub page - Heber-co-uk/Multisystem: The MiSTer Multisystem console Hardware PCB - FPGA platform (

If you wish to use the GERBER files to produce your own PCB's, please feel free. This is a design we have released as open source under a GPL3.0 License.

Further images, a bill of materials and lots more details are available here - Multisystem/images at main · Heber-co-uk/Multisystem (

What you will receive - 

You will receive One (1) Bare PCB board for the MiSTer Multisystem Expansion I/O connector -56-23005-2IO

NOTE - These are development PCB's - the edge fingers will need to be chamfered (sanded down to 45 Degree angles) to allow use in the Multisystem expansion slot - please make sure you take care when using these development prototype PCB's. If you are not sure, then please just buy ready-made cartridges from us or alternative stores.


Shipping Information:

Orders will be shipped within 1-2 weeks of order being placed. Items will be shipped together if multiple items are purchased. When an item is pre-ordered, any other items in the order will be shipped with the pre-order product.



The Retro Collective

The Retro Collective is a vintage technology community hosting interactive museums and exhibition spaces based in Chalford, just outside Stroud in the heart of the Cotswolds in the UK.

Situated in a beautiful 18th century mill, The Retro Collective comprises Heber Ltd, and electronics design company, The Cave, a retro computer museum, and Arcade Archive, a classic video arcade museum.

A proportion of selected product sales goes towards supporting our hands-on museums at the Retro Collective. Thank you for your support. For more information visit The Retro Collective.


Heber Ltd

This product is designed and manufactured by Heber Ltd.

Heber have 40 years’ experience at the forefront of electronics design and production and are leading suppliers of gaming controllers and gaming peripherals.   

Heber also provides a bespoke design consultancy service which takes products from the earliest of concepts right through to volume manufacture. We can help at any or all of the stages depending on your needs.

With over 4 million Heber control systems in the world, we have established a reputation of designing innovative electronics and bespoke designs to deliver exactly what our clients need. If you have any ideas you’d like to see made reality visit for more information.