CPU: Supports AMD Athlon 64 X2 AM2 Series, AMD Athlon 64, AMD Sempron AM2 Series Chipset AMD 690G/ SB600 Socket AM2 Form Factor Mini-ITX (170x170 mm) FSB/Hyper Transport 1000+ MHz Memory 2*DDRII SO-DIMM 800/667/533 (Dual Channel), Supports up to 4GB Total Memory (2x 2GB) Int. GFX ATI Radeon Xpress1250 HDMI PCI 1*PCI Slot USB 8* USB 2.0/1.1 Ports (4 ports by optional cable) LAN Marvell Gbit LAN Sound 8 Channel High Definition Audio IDE 1* ATA 133 channel RAID SATA RAID 0, 1, 0+1 & JBOD Serial ATA 4*SATAII 3Gb/s Channels IEEE 1394 2* IEEE1394 Channels Firewire(1 port by optional cable) Expansion Ports: 1 CRT D-SUB Port 1 DVI-I Port 1 HDMI Port 5 Stereo Audio Ports 2 Toslink SPDIF ports (1 input, 1 output) 1 RCA SPDIF Output port