Product Detail Form Factor Micro ATX. Chipset Intel 845. CPU: Supports Intel Pentium 4, Socket mPGA478. Memory: 168pin SDRAM ( 2 Slots), 1GB Max, PC133. Disk Drive Interface: IDE (ATA 33/66/100) x 2, Floppy Disc x 1. Expansion Slots AGP x 1 / PCI x 2. I/O Connectors: PS/2 Mouse, PS/2 Keyboard, Printer Port x 1, Serial Port x 2, Onboard Sound, USB x 2, Network LAN 10/100 x 1. . The "3E078 - Dell Optiplex GX240 Motherboard" is best product for you. We recommended 3E078 - Dell Optiplex GX240 Motherboard