Supported Memory: 533-MHz, 667-MHz, and 800-MHz dual DDR2/ Unbuffered SDRAM/ 256 MB, 512 MB, or 1 GB non-ECC/ 4 GB Max Memory.
Peripheral Interfaces:1x VGA Port/ 6x USB Ports/Intergrated 10/100/1000 Lan /1x Floppy 34-Pin Connector/7.1 Surround Sound Audio Ports / 4x Serial ATA Hard Disk Connectors/1x RJ-45 Connector/1x Fan 5-Pin Connector.