Physical Status Form Factor - Mini-ITX

	Processor System CPU - Support AMD EPYCTM 3251 (8 cores, 16 threads) Chipset - Soc

System Memory Capacity - 4 x 288-pin DDR4 SDRAM DIMM slots - Support up to 256GB DDR4 ECC/UDIMM, RDIMM Type - Dual Channel DDR4 memory technology - Support DDR4 ECC/UDIMM, RDIMM DIMM Size Per DIMM - ECC/UDIMM: 64GB, 32GB, 16GB, 8GB, 4GB - RDIMM: 128GB, 64GB, 32GB, 16GB, 8GB, 4GB DIMM Frequency - ECC/UDIMM: 2133/2400/2666 MHz - RDIMM: 2133/2400/2666 MHz the max speed may vary based on SoC SKU Voltage - 1.2V

	Expansion Slot PCIe 3.0 x 16 - SLOT7: Gen3 x16 link

	Storage SATA Controller - AMD Built-in Storage: 6 x SATAIII 6.0 Gb/s (4 x SATA from OCulink, 2 x SATAIII 6.0 Gb/s) M.2 slot - 1 (2280/22110, supports SATA3 and PCIe 3.0 x4)

	Ethernet Interface - 10000/1000 Mbps LAN Controller - 2 x RJ45 10GLAN by Intel X550-AT2 - Supports Wake-On-LAN - Supports Energy Efficient Ethernet 802.3az - Supports Dual LAN with Teaming function - Supports PXE - LAN1 Supports NCSI

	Management BMC Controller - ASPEED AST2500 : IPMI (Intelligent Platform Management Interface) 2.0 with ikvm and vMedia support IPMI Dedicated GLAN - 1 x Realtek RTL8211E for dedicated management LAN Features - Watch Dog - NMI

	Graphics Controller - ASPEED AST2500

	Rear Panel I/O VGA Port - D-sub x 1 USB 3.2 Gen1 Port - 2 Lan Port - 2 x 10GLAN RJ45(by Intel X550-AT2 ) - 1 x RJ45 Dedicated IPMI LAN port - LAN Ports with LED (ACT/LINK LED and SPEED LED) UID Button/UID LED - 1

Internal Connector COM Header - 1 M.2 - 1 x M-Key (PCIe3.0 x4 or SATAIII 6.0 Gb/s), Supports 22110/2280 form factor Auxiliary Panel Header - 1 (include chassis intrusion, 2 front LAN LED, System LED) TPM Header - 1 x (14-pin) IPMB Header - 1 Fan Header - 1 x CPU Fan, 2 x System Fans (1 front, 1 rear) (build in CPU active fansink) ATX Power - 1 x (4-pin) + 1 x (8-pin) support 12V DC-IN USB 3.2 (Gen1) Header - 1 (supports 2 USB 3.1 Gen1 ports) PSU SMB Header - 1 Front Panel - 1 SATA Power Connector - 1 (for DC-IN mode) Caution: Misconnection may permanently damage the motherboard. SGPIO Header - 1 Clear CMOS - 1 (short pad)

	Onboard LED Fan Fail LED - 3

	System BIOS BIOS Type - 16MB AMI UEFI Legal BIOS BIOS Features - Plug and Play (PnP) - ACPI 2.0 Compliance Wake Up Events - SMBIOS 2.8 Support - ASRockRack Instant Flash

	Hardware Monitor Temperature - CPU/DDR/LAN/Storage Temperature Sensing - MB/Card Side Temperature Sensing Fan - CPU/Rear/Front Fan Tachometer - CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature) - CPU/Rear/Front Fan Multi-Speed Control Voltage - Voltage Monitoring: +12V, +5V, +3.3V, CPU Vcore, DRAM, +1.1V,+1.0V, +BAT, 3VSB, 5VSB

	Support OS OS Microsoft Windows (Server OS) : - Server 2016 (64 bit) Linux: - Red Hat Enterprise Linux Server 7.4 (64 bit) / 7.6 (64 bit) - CentOS 7.4 (64 bit) / 7.6 (64 bit) - Ubuntu 18.04.2 (64 bit) Please refer to our website for the latest OS support list.

	Environment Temperature Operation temperature: 10oC - 35oC / Non operation temperature: -40oC - 70oC Install a CPU Fan when the airflow through the heatsink is below 2CFM.

	Weight 3.00 LB Warranty Information 3 Years