| Product Description | SUPERMICRO X7DWN+ - motherboard - enhanced extended ATX - Intel 5400 |
| Product Type | Motherboard |
| Form Factor | Enhanced extended ATX |
| Dimensions (WxDxH) | 13 in x 13.7 in |
| Chipset Type | Intel 5400 |
| Multi-Core Support | Dual-Core / Quad-core |
| Max Bus Speed | 1600 MHz |
| Processor | 0 ( 2 ) - LGA771 Socket |
| Compatible Processors | Dual-Core Xeon 5100 series, Quad-Core Xeon 5300 series, Dual-Core Xeon 5200 series, Quad-Core Xeon 5400 series |
| 64-bit Processors Compatibility | Yes |
| RAM | 0 MB (installed) / 128 GB (max) |
| Supported RAM Technology | DDR II SDRAM |
| Supported RAM Integrity Check | ECC |
| Storage Controller | ATA-100, Serial ATA-300 (RAID) |
| USB Ports Configuration | 5 x USB |
| Storage Ports Configuration | 1 x ATA, 6 x SATA |
| Graphics Controller | ATI ES1000 - 32 MB |
| Networking | Network adapter - Intel 82575EB - Ethernet, Fast Ethernet, Gigabit Ethernet |
| General |
| Product Type | Motherboard |
| Form Factor | Enhanced extended ATX |
| Width | 13 in |
| Depth | 13.7 in |
| Compatible Processors | Dual-Core Xeon 5100 series, Quad-Core Xeon 5300 series, Dual-Core Xeon 5200 series, Quad-Core Xeon 5400 series |
| 64-bit Processors Compatibility | Yes |
| Processor Socket | LGA771 Socket |
| Multi-Core Support | Dual-Core / Quad-core |
| Chipset Type | Intel 5400 |
| Max Bus Speed | 1600 MHz |
| BIOS Type | Phoenix |
| Storage Controller | ATA-100, Serial ATA-300 (RAID) |
| Power Connectors | 4-pin ATX12V connector, 24-pin main power connector, 8-pin ATX12V connector |
| Processor |
| Installed Qty (Max Supported) | 0 ( 2 ) |
| Memory |
| Supported RAM Technology | DDR II SDRAM |
| Supported RAM Integrity Check | ECC |
| RAM Installed ( Max ) | 0 MB / 128 GB (max) |
| Supported RAM Speed | PC2-4300, PC2-6400, PC2-5300 |
| RAM Features | Two DDR channels, fully buffered, Memory Sparing |
| Video |
| Graphics Controller | ATI ES1000 |
| Video Memory Installed ( Max ) | 32 MB |
| Telecom / Networking |
| Networking | Network adapter - Intel 82575EB - Ethernet, Fast Ethernet, Gigabit Ethernet |
| Features |
| BIOS Features | ACPI 1.0 support, DMI 2.3 support, ACPI 2.0 support, SMBIOS 2.3 support, IPMI support |
| Hardware Monitoring | CPU core temperature, chassis temperature, CPU fan tachometer, chassis fan tachometer, system voltage, CPU core voltage |
| Sleep / Wake Up | Keyboard wake up, wake on LAN (WOL), wake on ring (WOR) |
| Hardware Features | Diagnostic LEDs, chassis intrusion detection, Watch Dog Timer |
| Expansion / Connectivity |
| Expansion Slot(s) | 2 processor - LGA771 Socket 16 memory ( 1.5 V/ 1.8 V ) - FB-DIMM 1 PCI Express x8 2 PCI Express 2.0 x8 1 PCI Express x8 ( x4 mode ) 2 PCI-X / 133 MHz 1 expansion slot 1 CompactFlash Card |
| Storage Interfaces | Serial ATA-300 - connector(s): 6 x 7pin Serial ATA - 6 device(s) - RAID 0 / RAID 1 / RAID 10 / RAID 5 ATA-100 - connector(s): 1 x 40pin IDC - 2 device(s) |
| Interfaces | 1 x storage - floppy interface - 34 pin IDC 2 x network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45 2 x Hi-Speed USB - 4 pin USB Type A 1 x display / video - VGA - 15 pin HD D-Sub (HD-15) 1 x keyboard - generic - 6 pin mini-DIN (PS/2 style) 1 x mouse - generic - 6 pin mini-DIN (PS/2 style) 1 x serial - RS-232 - 9 pin D-Sub (DB-9) |
| Additional Connectors (Optional) | 3 x Hi-Speed USB |
| Miscellaneous |
| Software Included | Drivers & utilities, SuperO Doctor III |
| Compliant Standards | Plug and Play, ACPI 2.0, ACPI, RoHS |