Intel Pentium 4 / Pentium D / Core 2 Duo processor (LGA 775) Intel 945G/ ICH7 chipset 4 x 533 / 667 DDR2 up to 4GB 1 x PCI-E 16X slot 3 x PCI slots 1 x ATA 66 / 100 / 133 IDE connector 8 Ch. audio Intel GMA950 grphic controller; onboard VGA memory up to 256MB Realtek Gb ethernet onboard 1 x floppy port / 1 x serial port / 8 x USB2.0 ports Case Features 10 Drive Bays: - 4 x 5.25" External - 2 X 3.5" External - 4 x 3.5" Internal Ideal for AMD based ATX/uATX system Power Supply: ATX12V V.2.01 400W w/ 12cm fan 2 front USB 2.0 ports 2 front audio ports Reliable & high efficientcy power supply Excellent cooling & EMI shielding Sturdy construction & spacious interior Easy assembly & drive mounting Blue hi-lite LED, Intel V1.1 Air Guide