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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.
On an ATX motherboard, the CPU will be placed above and parallel to the expansion slots, towards the top of the case. On an AT or Baby AT motherboard, the CPU will be placed in front of the expansion slots, towards the front of the case.
BTX
BTX
seven
ATX motherboards are best suited to providing legacy slots and ports (such as PCI).
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BTX
24 pins
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