DELL OPTIPLEX GX270 MOTHERBOARD K5786 U1325 Y1057 YF927 H1487 H1290 FG015 DG284Part Number: K5786 U1325 Y1057 YF927Compatible Part Numbers: U1325 0U1325 CN-0U1325 Y1057 0Y1057 CN-0Y1057 YF927 0YF927 CN-0YF927 H1487 0H1487 CN-0H1487 H1290 0H1290 CN-0H1290 FG015 0FG015 CN-0FG015 DG284 0DG284 CN-0DG284 FG022 0FG022 CN-0FG022 FG009 0FG009 CN-0FG009 K2863 0K2863 CN-0K2863 XF824 0XF824 CN-0XF824 CG611 0CG611 CN-0CG611 X9294 0X9294 CN-0X9294 NG652 0NG652 CN-0NG652 PG605 0PG605 CN-0PG605Compatible Models: Dell Optiplex GX270 SeriesChipset: Intel 865PESocket: Socket mPGA478 Pentium 4 and Celeron ProcessorsMax Supported Memory: Up to 4 GBNumber of Memory Slots: 4Memory Type: DDR SDRAMSpeed: 400/333 MHzError Correction (ECC): NoVideo Chipset/GPU Model: Integrated Intel Extreme Graphics 2Graphics Memory: 64 MBInput/Output Ports: 6x USB 2.0; 1x Ethernet (RJ-45); 1x 9-pin serial DB-9 Male (16550 compatible); 1x parallel DB-25 Female (25-hole, bi-directional); 1x VGA Female; 1x PS/2 mouse; 1x PS/2 keyboard; 1x stereo line-in (minijack); 1x microphone-in (minijack-front); 1x speakers/line-out (minijack); 1x headphone (minijack-front)Expansion Slots: 4x PCI bus connector; 1x AGP slotForm Factor: ATXType: Desktop MotherboardSupported Operating System: Microsoft Windows XP Professional, Microsoft Windows XP Home, Microsoft Windows 2000 Professional