Supermicro X8DAH+-F-O | Intel 5520 DDR3 Enhanced Extended-ATX System Board (Motherboard) Socket LGA1366

1. Form Factor: Enhanced Extended ATX
2. Processor: Intel Xeon Processor 5500/5600 Series (Socket LGA1366)
3. Chipset: Intel 5520 (Tylersburg) chipset
4. Memory: 12x 240-pin DDR3 DIMM slots, Supports up to 192GB DDR3 ECC Registered memory, Supports up to 48GB DDR3 ECC/non-ECC Unbuffered memory
5. Expansion Slots: 4x PCI-E 2.0 x16 slots, 2x PCI-E 2.0 x8 slots, 1x PCI-E 2.0 x4 (in x8) slot, 1x 32-bit PCI slot
6. SATA: 6x SATA2 (3Gb/s) ports, 2x SATA2 (3Gb/s) ports via SCU
7. LAN: 2x RJ45 LAN ports
8. USB: 2x USB 2.0 ports (rear), 2x USB 2.0 ports (header)
9. Audio: 7.1 HD Audio with optical S/PDIF
10. Power Connectors: 1x 24-pin ATX power connector, 1x 8-pin ATX 12V power connector, 1x 4-pin ATX 12V power connector
11. Management: Built-in Server management tool (IPMI 2.0)
12. Dimensions: 13.68" x 13.05" (34.7cm x 33.2cm)

Notes:
1. This motherboard supports dual Intel Xeon processors for high-performance computing.
2. The 7.1 HD Audio with optical S/PDIF provides high-quality audio output for multimedia applications.
3. The built-in server management tool (IPMI 2.0) allows for remote management and monitoring of the system.