The A790GXM-A is an ATX-form motherboard from ECS using AMD's 790GX chipset architecture. It can support up to 16GB DDR2 1066 SDRAM, and features an integrated ATI Radeon HD 3300 graphics adapter. The southbridge is an AMD SB750 and can support up to 12 USB 2.0 connections. For further information, please see the AMD 790GX Chipset report.