Introduced in 1995, the ATX was the first PC motherboard to not only include I/O support (serial, parallel, mouse, etc.), but to place all the connectors directly on the motherboard. Prior to the ...

and the -12V rail made optional. The ATX power connector with the mainboard was increased from 20 to 24 pins to allow for more 12 V capacity to be added. Along with the Pentium 4’s appetite for ...

If you're looking for a bigger case, Adata showed off the XPG Invader X Pro, which supports up to E-ATX, earlier this year at CES 2024. It's too soon to say if rear-connector motherboards and ...