micro btx motherboards also called uBTX is an advanced an better form of motherboard than micro atx motherboards and it is manufactured by Intel and b stands for better.
BTX
A pico BTX is 10.5"x8" and only supports one or two expansions slots, designed for half-height or riser-card applications. A microBTX is 10.4"x10.5" (264x267mm) and it supports up to four expansion slots.
seven
Item. - Mr Sparks
types of pc motherboard name
The Dell XPS 400 series uses a BTX format motherboard. A BTX motherboard measures approximately 325 by 266 milimeters.
It is BTX
BTX
325mm across
types of pc motherboard name
Three
The three versions are; Micro, Nano and Pico