Motherboard Asus Crosshair II

CPU
AMD Socket AM2+ Processors
AMD Phenom™ FX / Phenom / Athlon™ / Sempron™
AMD Socket AM2 for AMD Athlon 64 X2 / Athlon 64 FX / Athlon 64 / Sempron
AMD Cool'n'Quiet™ Technology


Chipset
NVIDIA nForce® 780a SLI
System Bus
Up to 5200/MT/s HyperTransport™ 3.0 interface for AM2+ CPU
2000 / 1600 MT/s for AM2 CPU
Memory
4 x DIMM, Max. 8 GB, DDR2 1066/800/667 ECC,Non-ECC,Un-buffered Memory
Dual Channel memory architecture
*When installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended.