Up to 5200 MT/s ; HyperTransport™ 3.0

4 x DIMM, Max. 16 GB, DDR3 2000(O.C.)/1333/1066 ECC,Non-ECC,Un-buffered Memory
Dual Channel memory architecture
*AMD AM3 100 and 200 series CPU support up to DDR3 1066MHz
**Due to OS limitation, 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.
***Refer to www.asus.com for the memory QVL (Qualified Vendors Lists).

2 x PCIe 2.0 x16 support ATI CrossFireX™ technology(@dual x8 speed)
1 x PCIe 2.0 x4
1 x PCIe 2.0 x1
2 x PCI

SB850 Chipset
6 xSATA 6.0 Gb/s ports Support RAID 0,1,5,10
JMicron® JMB361 PATA and SATA controller
1 xUltraDMA 133/100 for up to 2 PATA devices
1 xExternal Power eSATA 3.0Gb/s port

Realtek® 8111E Gigabit LAN controller featuring AI NET2

ALC 892 8-Channel High Definition Audio CODEC
- BD Audio Layer Content Protection
- Support 192khz/24bit True BD Lossless Sound
- DTS Surround Sensation UltraPC
- Supports Jack-Detection, Multi-Streaming, and Front Panel Jack-Retasking
- Optical S/PDIF Out ports at back I/O
- ASUS Noise Filter

12 x USB 2.0 ports (8 ports at mid-board, 4 ports at back panel)
2 x USB 3.0 ports (2 ports at back panel)