BTX — short for Balanced Technology eXtended — was a form factor that was coined to replace the ATX motherboard form factor in late 2004 and early 2005. Intel came up with this new form factor ...

Much like Intel’s ill-fated BTX alternative to the ATX standard, ATX12VO is a suggested standard that manufacturers and OEMs are free to adopt or ignore at their leisure. Important here are ...

BTX: 12.8" x 10.5" -- Released in 2004 by Intel as a replacement for the ATX form factor, BTX boards brought improvements including better thermals for power-hungry parts such as the Pentium 4.