The M3A790GXH/128M in a Full Size ATX board. It has 2 PCI, 3 PCIe slots encoded in three different colours. (green @ x16 mode, blue @ x8 mode, orange @ x4 mode). There is another PCIe x1 next to the north bridge which is covered by the heatsink. Next to it is the sideport memory. A peddle card is required to switch the board's operation when in CrossFire mode. To the rear corner, we can see the audio codec from Realtek, GbE controller chipset. To the right corner of this mainboard, we can find the eSATA connecting port. 8 pin AUX power supply connector. The board is using a 5 phase power regulator circuit.

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