FlexATX is a motherboard

Motherboard

In personal computers, a motherboard is the central printed circuit board in many modern computers and holds many of the crucial components of the system, providing connectors for other peripherals. The motherboard is sometimes alternatively known as the mainboard, system board, or, on Apple...

 form factor derived from ATX

ATX

ATX is a motherboard form factor specification developed by Intel in 1995 to improve on previous de facto standards like the AT form factor. It was the first big change in computer case, motherboard, and power supply design in many years, improving standardization and interchangeability of parts...

. The specification was released in 1999 by Intel as an addendum to the microATX

MicroATX

microATX, also known as µATX is a standard for motherboards that was introduced in December 1997. The maximum size of a microATX motherboard is 244 mm × 244 mm , but some microATX boards can be as small as 171.45 mm × 171.45 mm...

 specification. It uses a subset of the motherboard mounting holes required for microATX and the same I/O plate system as ATX and microATX.

FlexATX specifies that a motherboard be no larger than 9.0 x 7.5" (229 x 191 mm), and can have no more than 4 expansion slots

Expansion slots

Expansion slots are specific slots on a PC motherboard that facilitate the placement of expansion cards.All such expansion slots are colour coded, and are built in such a way that only a specific type of card or device can interface with/ be inserted into the device.- Types :Common types of...

.

External links

• FlexATX motherboard specification