Shuttle XG41 Barebone System Processor: Socket 775 Support Intel Core 2 Duo/ Pentium Dual Core/ Celeron Dual-Core/ Celeron 4xx series Processors, FSB 1333/1066/800 MHz, Support Upto 65W TDP Chipset: Intel G41 & ICH7 Memory: 2 x 240pin DDR3-1066/800 DIMMs, Max Capacity upto 8GB Slots: 1x Mini-PCI-Express x1 Slot SATA: 3x SATA2 Ports (Two pre-installed SATA cables) Drive bays: 1x 2.5 Inches, 1x slim optical drive Ports: 6x USB 2.0 Ports (4 rear, 2 by header), 1x DVI Port, 1x HDMI Port, 2x Serial Ports, 2x RJ45 LAN Ports, 1x Optical S/PDIF Out, Audio I/O Jacks Power Supply: 90W fanless power adapter, Input- 100~240V AC