Flex–ATX is a Micro-ATX compatible small factor motherboard standard. Micro-ATX Motherboards use the same power connectors as ATX Motherboards and are compatible with CPUs from major manufacturers.
Embedded FlexATX Desktop Motherboard with Intel® 6th Generation 14nm Xeon E3 and Quad Core i7/i5/i3® CPUs
KTH81/Flex-ATX Motherboard with Intel®H81 Chipset and 4th Generation Intel® i7/i5/i3 Dual and Quad Core CPUs
KTQ87/FLEX-ATX Motherboard with Intel®Q87 Chipset and 4th Generation Intel® 22nm Dual and Quad Core i7/i5/i3, Pentium and Celeron CPUs