Dell HC539 | GX280 TSMT System Board HPR/SCV

1. Chipset: Intel 915G Express
2. Supported processors: Intel Pentium 4, Celeron D, Pentium D
3. Memory type: DDR2 SDRAM
4. Maximum memory capacity: 4 GB
5. Expansion slots: 1 x PCI Express x16, 1 x PCI Express x1, 2 x PCI
6. Onboard audio: ADI 198x Integrated Audio
7. Onboard LAN: Broadcom 5751 Gigabit Ethernet
8. USB ports: 8 x USB 2.0 (2 front, 6 rear)
9. SATA ports: 4 x SATA 1.5Gb/s
10. Front panel connectors: 2 x USB 2.0, headphone, microphone
11. Rear panel connectors: 6 x USB 2.0, serial, parallel, VGA, DVI, Ethernet, audio
12. Power connectors: 24-pin ATX main power, 4-pin ATX12V power

Helpful notes:
1. This motherboard is compatible with Dell OptiPlex GX280 Small Form Factor (SFF) and Tower (TSMT) models.
2. It supports both Windows XP and Windows Vista operating systems.
3. The onboard audio supports 5.1 surround sound.