see here: https://www.google.de/search?q=Moaun...ient=firefox-a

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Mainboard:
GA-990FXA-UD3
Realtek PCIe GBE Family Controller
Realtek High Definition Audio
CPU: AMD Phenom II X6 1100T
RAM: 16 GB Corsair DDR3 1600 C9
NVIDIA Geforce GTX 550 TI 3072 MB
DVD SATA
HDD:
Segate 2 TB
WD 320 GB
WD 500 GB
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Windows 7 Ultimate 64-Bit
Snow Leopard 10.6.8
Lion 10.7.2
Lion 10.7.4

HOW-TO look here