FlexATX

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FlexATX is a motherboard form factor derived from ATX. The specification was released in 1999 by Intel as an addendum to the microATX specification. It uses a subset of the motherboard mounting holes required for microATX and the same I/O plate system as ATX and microATX.

ATX motherboard size comparison; rear is on left.
  FlexATX (229 × 191 mm)

  microATX (244 × 244 mm)

  Mini ATX (284 × 208 mm)

  Standard ATX (305 × 244 mm)

  Extended ATX (EATX) (305 × 330 mm)

  WTX (356 × 425 mm)

FlexATX specifies that a motherboard be no larger than 9 × 7.5 in (229 × 191 mm), and can have no more than three expansion slots.

The term is used also for the form factor of a PSU that is smaller than a standard ATX PSU and is used in small cases that host a FlexATX or Mini-ITX motherboard or in thin rackmount servers such as 1U racks.

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This article uses material from the Wikipedia article FlexATX, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.