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DTX (form factor)

Comparison of the form factors for motherboards ATX, μATX (micro-ATX), DTX, mini-ITX and mini-DTX

The DTX form factor is a variation of ATX specification[1] designed especially for small form factor PCs (especially for HTPCs) with dimensions of 8 × 9.6 inches (203 × 244 mm).[2] An industry standard intended to enable interchangeability for systems similar to Shuttle's original "SFF" designs,[3] AMD announced its development on January 10, 2007. AMD stated that the DTX form factor is an open standard, and is backward compatible with ATX form factor cases. They also present a shorter variant named Mini-DTX which is smaller in PCB size of 8 × 6.7 inches (203 × 170 mm).[2]

The specification provides for up to 2 expansion slots on a DTX motherboard, in the same position as the top two slots on an ATX or microATX board. The spec also provides for optional ExpressCard expansion slots on DTX motherboards.

  1. ^ "ATX Specification is inch-based". Archived from the original on 2008-11-08. Retrieved 2010-02-12.
  2. ^ a b "DailyTech report". Archived from the original on 2007-01-12. Retrieved 2007-01-11.
  3. ^ Early SFF Description
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