BTX

In 2004, Intel announced the BTX (Balanced Technology eXtended) standard, intended as a replacement for ATX. While some manufacturers adopted the new standard, Intel discontinued any future development of BTX in 2006. as of 2026, the ATX design still remains the standard for personal computers.

Connectors

On the back of the computer case, some major changes were made to the AT standard. Originally AT style cases had only a keyboard

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