| System Memory |
| Memory Capacity | 2 DIMM slots |
| Up to 128GB ECC RDIMM, DDR4-2400MHz |
| Memory Type | 2400 MT/s ECC DDR4 RDIMM |
| DIMM Sizes | 8GB, 16GB, 32GB, 64GB |
| Memory Voltage | 1.2V |
| Error Detection | Corrects single-bit errors |
| Detects double-bit errors (using ECC memory) |
| On-Board Devices |
| Chipset | System on Chip |
| IPMI | ASPEED AST2500 BMC |
| Graphics | 1 Aspeed AST2500 BMC port(s) |
| Network Controllers | Quad LAN with Intel® C5000 SoC, 1GbE |
| SATA | SoC controller for 1 SATA3 (6 Gbps) ports |
| Input / Output |
| LAN | 4 RJ45 Gigabit Ethernet LAN ports |
| Video Output | 1 VGA D-Sub Connector port(s) |
| DOM | 1 Super DOM (Disk on Module) ports |
| USB | 2 USB 3.0 port(s) (2 rear) |
| 2 USB 2.0 port(s) (2 via header) |
| Serial Port | 1 COM Port(s) (1 header) |
| TPM | 1 TPM Header & Chip both |
| Others | 1 8-bit GPIO header |
| 1 Oculink |
| System BIOS |
| BIOS Type | 32MB AMI UEFI |
| BIOS Features | SMBIOS 3.0 or later |
| UEFI 2.7 |
| ACPI 6.0 or later |
| Management |
| Software | Watchdog, IPMI (Intelligent Platform Management Interface) v2.0 with KVM support, SuperDoctor® 5 |
| System Management Software | IPMI (Intelligent Platform Management Interface) v1.5 / 2.0 with KVM support, SuperDoctor® 5 |
| Power Configurations | ATX Power connector, +12V DC Power Input, CPU thermal trip support for processor protection, Power-on mode for AC power recovery |
| PC Health Monitoring |
| Voltage | VBAT, System level control, Supports system management utility, Monitors CPU voltages, Chassis intrusion header, 4 -fan status, 3.3V standby, 1.2V (VDIMM), 1.05 (PCH), +5V standby, +5V, +3.3V, +12V |
| LED | UID/Remote UID |
| Temperature | CPU thermal trip support |
| Other Features | UID, RoHS, M.2 NGFF connector, Chassis intrusion header, ATX Power connector, ACPI power management, 8-pin 12v DC power connector, 12V DC or ATX Power Source, Intel® QuickAssist Technology |
| FAN | 4x 4-pin fan headers (up to 4 fans) |
| Thermal control tachometer fan connectors, Fan speed control, Dual Cooling Zone, 4 fans with tachometer monitoring, Status monitoring for speed control, Pulse Width Modulated (PWM) fan connectors, Support 3-pin fans (w/o speed control) |
| Product SKUs |
| Product SKUs | MBD-A3SPI-4C-HLN4F |
| Physical Stats |
| Form Factor | Mini-ITX |
| Dimension | 6.7" x 7.1" (17.02cm x 18.3cm) |
| Processor |
| CPU | Intel® Atom® Processor C5315 |
| Single Socket FCBGA-2106 supported, CPU TDP supports Up to 38W TDP |
| Core | Up to 4 cores / 9MB Cache |
| Expansion Slots |
| PCIe | 1 PCIe 3.0 x2 (in x8 slot) |
| M.2 | Key: M-Key, B-Key |
| M.2 Interface: 1 PCIe 3.0 x4; 1 SATA/PCIe 3.0 x2/USB 3.0 |
| Form Factor: 2280, 3052 |
| Operating Environment |
| Operating Temperature Range | 0°C - 60°C (32°F - 140°F) |
| Non-Operating Temperature Range | -40°C - 85°C (-40°F - 185°F) |
| Operating Relative Humidity Range | 10% - 85% (non-condensing) |
| Non Operating Relative Humidity Range | 10% - 95% (non-condensing) |
