Genuine DELL YF936 Motherboard Mainboard Systemboard, For The Optiplex GX270 Small Form Factor (SFF) Systems, Compatible Part Numbers: CG555, H1291, DG286, C2057, X1105, H6405, FC092, X8677, J9057, Motherboard DOES NOT Include Any of The Following: Case, Processors, Heatsinks, Hard Drives, Optical Drives, or Memory Chipset: Intel 865PE Chipset, Supported Processors: Socket mPGA478 Supporting Pentium 4 and Celeron Processors, 400/533/800 MHz system bus Supported Memory: Two 184-pin DIMM Sockets for DDR 1, 400/333/266, 2 GB Max System Memory, Audio: Integrated AC 97 Sound Video: Integrated 64MB Video, Expansion Capabilities: 1 - AGP 3.0 Slot for user add-on video, 1 - PCI Slot Peripheral Interfaces: 1 - Serial Port, 1 - Parallel Port, 2 - PS/2 Ports for Mouse and Keyboard, 1 - SATA Hard Disk Connector, 1 - VGA Port, 1 - Integrated 10/100 Lan Port, 2 - UDMA 33, ATA-66/100 IDE Hard Disk Connectors, 1 - One Floppy Connector, 8 - USB 2.0 Ports, 3 - Audio Ports for line-in, line-out, and microphone Motherboard Compatible Part Numbers: CG555, H1291, DG286, C2057, YF936, X1105, H6405, FC092, X8677, J9057