Also known as ATX12V, ATX power supply, ATX Power Connector, ATX power connector, ATX form factor, ATX PSU, Advanced Technology eXtended
thumb|An ATX motherboard right|thumb|400px|Comparison of some common motherboard form factors (pen for scale)
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~49 min read
Article
48 sectionsContents
- Overview
- BTX
- Connectors
- Variants
- Power supply
- Physical characteristics
- Main changes from AT and LPX designs
- Power switch
- Power connection to the motherboard
- Airflow
- {{anchor|0.9|1.0|1.1|2.0|2.01|2.02|2.03|2.1|2.2|}}ATX power supply revisions
- Original ATX
- ATX12V 1.x
- ATX12V 1.0
- ATX12V 1.1
- ATX12V 1.2
- ATX12V 1.3
- ATX12V 2.x
- ATX12V 2.0
- ATX12V 2.01
- ATX12V 2.1
- ATX12V 2.2
- ATX12V 2.3
- ATX12V 2.31
- ATX12V 2.32
- ATX12V 2.4
- {{anchor|ATX12V_2.5}}ATX12V 2.51
- ATX12V 2.52
- ATX12V 2.53
- {{anchor|3.0|3.01|3.1}}ATX 3.x
- ATX power supply derivatives
- ATX12VO{{Anchor|ATX12VO}}
- SFX
- TFX
- WTX
- AMD GES
- EPS12V
- Specification changes and additions
- Interchanging PSUs
- Efficiency
- See also
- Explanatory notes
- References
- Further reading
- ATX specifications
- ATX-related power supply design guides
- EPS12V
- External links
thumb|An ATX motherboard right|thumb|400px|Comparison of some common motherboard form factors (pen for scale)
ATX (Advanced Technology Extended) is a motherboard and power supply form factor and configuration specification developed by Intel. It aimed to improve on previous de facto standards such as the AT design. Originally released in July 1995, it was the first major change in desktop computer enclosure, motherboard and power supply design in many years, improving standardization and interchangeability of parts. ATX as a motherboard standard defines the dimensions of the board, the mounting points to connect with the computer case, the input/output (I/O) connector panel, expansion slot placement, and power supply connectors. ATX as a power supply form factor defines the dimensions, electrical current, and cables of a desktop power supply, designed specifically to be compatible with ATX and similar motherboards.