The DTX Mechanical Interface Specification describes the requirements for the locations, dimensions, and keepouts of features/components on the motherboard and for the rear I/O connector panel. The DTX also provides the pinouts for the power connectors. The DTX is intended for both motherboard designers and chassis builders to assist them in independently designing compatible products.
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Duothink:
However, when evaluating PC chassis, consider getting a full-sized tower instead of a smaller tower even if you don't need the extra space.
Why?
A larger inter space means that less air need to go through the system per minute.
Therefore, careful mananement of the thermal design space is is critical to ensure a viable solution space for the DTX.
