http://www.matrox.com/video/en/support/rtx2/rec/System recommendations
Matrox RT.X2 requires a computer with the following minimum system configuration:
Microsoft Windows 7 Professional, Ultimate, or Home Premium (64-bit) with Service Pack 1, or Windows Vista Business or Ultimate (64-bit) with Service Pack 2.
Intel Xeon, Intel Pentium D, AMD Opteron, or AMD Athlon 64 X2.
Dual-CPU or one dual-core CPU, depending on processor used.
4 GB of RAM.
One free PCI Express (PCIe) expansion slot.
NTFS-formatted A/V drives.
If you want to use your Matrox RT.X2 system with Adobe Premiere Pro, you must have Adobe Premiere Pro CS5 version 5.0.3 or later.
Note: We recommend that you install a fan for added ventilation as explained in your Matrox RT.X2 documentation.