COM Express

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Computer
form factors		 PCB Size
(mm)
WTX 356×425
AT 350×305
Baby-AT 330×216
BTX 325×266
ATX 305×244
LPX 330×229
NLX 254×228
microATX 244×244
DTX 244×203
FlexATX 229×191
Mini-DTX 203×170
EBX 203×146
microATX (Min.) 171×171
Mini-ITX 170×170
EPIC (Express) 165×115
Nano-ITX 120×120
COM Express 125×95
ETX / XTX 114×95
Pico-ITX 100×72
PC/104(-Plus) 96×90
microETXexpress
nanoETXexpress
mobile-ITX 75×45

COM Express, a computer-on-module (COM) form factor, is a highly integrated and compact PC that can be used in a design application much like an integrated circuit component. Each COM Express Module COM integrates core CPU and memory functionality, the common I/O of a PC/AT, USB, audio, graphics, and Ethernet. All I/O signals are mapped to two high density, low profile connectors on the bottom side of the module. The COM Express specification is hosted by PICMG.


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