RY206, 0RY206 Dell Motherboard, Inspiron Intel G333 Express Chipset Nvidia MCP 61 Mainboard For the Dell Inspiron 531 and 531s Small Desktop Mini Tower (SMT) Dell Inspiron 531/531s Motherboard for the Small Desktop or Small Mini Tower CHIPSET: Nvidia MCP 61 PROCESSOR(S): AMD Athlon 64 X2 dual-core, AMD Sempron, AMD Athlon 64. MEMORY: Dual-Channel DDR2 SDRAM (4 DIMMs Slots, 667Mhz or 800Mhz), Up to 4 GB RAM AUDIO: Integrated 7.1 Channel Audio. VIDEO: Integrated Nvidia GeForce 6150 LE graphic GPU, 256Mb ATI Radeon X1300 Pro, 128Mb ATI Radeon X1300 PERIPHERAL INTERFACES: 6 - 2.0 USB (front and back), 4 - Serial ATA (SATA) Interface Port, 1- Integrated 10 / 100 Network Port. EXPANSION CAPABILITY: 1 PCI-E X16 Graphics slot, 1 PCI-E x 1, 2 PCI 32Bit / 33MHz slots