"Right now MSI has 14 different motherboard models based on the Intel P55 chipset. Let's take a look at the P55A-GD65 (a.k.a. MS-7585), a stripped-down version of their P55-GD85."
MSI P55A-GD65 Motherboard @ Hardware Secrets
MSI P55A-GD65 Motherboard @ Hardware Secrets