| Main Specifications |
| Device Type | Motherboard |
| Dimensions (WxDxH) | 6.7" x 6.7" (17cm x 17cm) |
| Form Factor | Mini-ITX |
| Processor |
| Cache/Core | 8 Core/16 Thread |
| Compatible Processors | Single AMD EPYC 3251 SoC Processor |
| System Memory |
| Memory Capacity | 4 DIMM slots, Supports up to 512GB Registered ECC DDR4 2666MHz SDRAM in 4 DIMMs, 2-channel memory bus |
| Memory Type | DDR4 2666 MHz Registered ECC, 288-pin gold-plated DIMMs |
| DIMM Sizes | 4GB, 8GB, 16GB, 32GB, 64GB, 128GB |
| Memory Voltage | 1.2V |
| Error Detection | Corrects single-bit errors, Detects double-bit errors (using ECC memory) |
| On-Board Devices |
| SATA/SAS | SATA3 (6 Gbps) |
| Network Controllers | 4x 1GbE with Intel I350-AM4, 1 Realtek RTL8211E PHY (dedicated IPMI) |
| IPMI | Support for Intelligent Platform Management Interface v.2.0, IPMI 2.0 with virtual media over LAN and KVM-over-LAN support, ASPEED AST2500 BMC |
| Graphics | ASPEED AST2500 BMC |
| Input / Output |
| SATA | 4 SATA3 (6 Gbps) ports |
| LAN | 4 RJ45 Gigabit Ethernet LAN ports, 1 RJ45 Dedicated IPMI LAN port |
| USB(s) | 2 USB 3.0 ports, 6 USB 2.0 ports |
| Video Output | 1 VGA port |
| Others | 1 COM port header, 1 TPM 2.0 header |
| Expansion / Connectivity |
| Expansion Slots Total (Free) | 1 PCI-E 3.0 x16 slot |
| M.2 | Key: M-key |
| Form Factor: 2280 |
| Interface: 1 PCI-E 3.0 x4 |
| System BIOS |
| BIOS Type | AMI 128Mb Flash EEPROM |
| Management |
| Software | Super Doctor 5, Watch Dog, NMI, SUM, IPMI 2.0, KVM with dedicated LAN |
| Power Configurations | ACPI Power Management, Power-on mode control for AC power loss recovery |
| PC Health Monitoring |
| CPU | Monitors CPU Core Voltages, +1.8V, +3.3V, +12V, CPU switching voltage regulator, Supports system management utility, VBAT |
| FAN | Up to 3 fan status tachometer monitoring, Up to 3 4-pin fan headers, Dual Cooling Zone, Status monitor for speed control, Pulse Width Modulated (PWM) fan connectors |
| Temperature | Monitoring for CPU and chassis environment, CPU Thermal Trip Support, Thermal control for 6x Fan connectors, I²C Temperature Sensing Logic |
| LED | CPU / System Overheat LED |
| Other Features | UID |
| Environmental Parameters |
| Operating Temperature | Operating Relative Humidity: 8% to 90% (non-condensing) |
| Non-operating Relative Humidity: 5% to 95% (non-condensing) |
| Non-operating Temperature: -40°C to 70°C (-40°F to 158°F) |
| Operating Temperature: 0°C to 60°C (32°F to 140°F) |
| Parts List |
| I/O Cables | 2x CBL-0044L, 1x CBL-PWEX-0982, 1x CBL-PWEX-1063 |
| I/O Shield | 1x MCP-260-00084-0N |
