The M3A790GXH/128M motherboard is a support for AMD platform, with features such as DDR3 memory, HD3300 integrated graphics, and support for 3-way CrossFire. It also supports high-performance dual-channel DDR3 memory, Radeon HD 3300 graphics card, and eSATA II high-speed external storage.
The guide introduces the M3A790GXH/128M motherboard built on the AM3 platform, featuring a DDR3 memory subsystem, integrated AMD Radeon HD 3300 graphics, and support for up to three-way CrossFire. It also highlights ASRock’s proprietary technologies such as the DuraCap solid‑state capacitors, Instant Boot, and Smart BIOS.
Key sections detail the board layout, connector locations, performance specifications, overclocking tools, and a FAQ on CPU socket compatibility and memory options, helping users get the system up and running quickly. This manual is written in Chinese.
| CPU socket | Socket AM3 |
|---|---|
| Front‑side bus | 2600 MHz |
| Maximum CPU TDP | 140 W |
| Memory slots | 4 × DDR3, dual‑channel, up to 16 GB |
| Supported DDR3 speeds | 1066/1333/1600 MHz (OC) |
| Chipset | AMD 790GX northbridge, AMD SB750 southbridge |
| Network controller | Realtek RTL8111DL Gigabit Ethernet |
| SATA ports | 6 × SATA II (RAID 0/1/5/10/JBOD) + 1 × eSATA II |
| Expansion slots | 3 × PCI Express 2.0 x16, 1 × PCI Express 2.0 x1, 2 × PCI |
| Form factor | ATX, 30.5 cm × 22.4 cm |
It supports the Socket AM3 processor interface.
The board offers six SATA II ports that support RAID 0, 1, 5, 10 and JBOD, plus one eSATA II port.
A Realtek RTL8111DL gigabit Ethernet controller is built in.