Gigabyte G31M-ES2C main features are:

• Socket: 775.
• Chipset: Intel G31 Express and ICH7.
• Super I/O: ITE IT8718F.
• Parallel IDE: One ATA-100 port (supporting two devices).
• Serial IDE: Four SATA-300 ports, controlled by the southbridge.
• USB: Eight USB 2.0 ports (four soldered on the rear panel and four available as internal headers).
• FireWire (IEEE 1394a): No.
• On-board audio: Yes, produced by the chipset with the aid of a Realtek ALC883 codec (ten channels, 24-bit resolution, up to 192 kHz sampling rate for outputs and 96 kHz for inputs, 95 dB signal-to-noise ratio on analog outputs and 85 dB on analog inputs). No SPDIF outputs.
• Onboard video: Yes, GMA3100 produced by the chipset.
• On-board LAN: Yes, one 10/100 Ethernet, controlled by the Realtek RTL8102E chip, which is connected to the system using a PCI Express x1 lane.
• Buzzer: No.
• Power Supply: ATX12V.
• Slots: One PCI Express 1.0 x16, one PCI Express x1 and two standard PCI slots.
• Memory: Two DDR2-DIMM sockets up to 4 GB up to DDR2-800 (officially) or up to DDR2-1066 (through overclocking).
• Number of CDs/DVDs provided: one drivers/utilities DVD.
• Extra features: Japanese aluminum solid capacitors, 3-phase voltage regulator circuit with ferrite chokes, dual BIOS, Easy Energy Saver.
• More information: http://www.giga-byte.com
• Average price in the US: US$ 49.00