micro atx power supplies

microATX (also known as µATX) form factor is a small motherboard size of max 9. 6" x 9. 6" (244 mm x 244 mm) in comparison to full ATX of max 12" x 9. 6". MicroATX boards incorporating integrated graphics are often used by motherboard makers as a basis for home entertainment and small form factor PCs.

microATX towers can be made slightly bigger than an 8-bit NES and utilize CPUs from Intel or AMD. A regular ATX power supply will not fit in an SFF chassis,. MicroATX boards often utilize the same northbridge and southbridge as the full ATX boards. This allows them to be connected to any computer component that ATX boards can be connected to. Since microATX towers are a lot smaller than typical ATX towers, many of the I/O ports are supported in lower quantities. For example, an ATX motherboard typically supports three PCI expansion slots, while microATX boards will typically only support two. In addition, many microATX boards only support one PATA connection allowing a total of two PATA devices(two 3. 5" hard drives, or one hard drive & one 5. Power Supplies Micro ATX.