MB Physical Status Form Factor - mATX

	Processor System CPU - AMD AM4 Socket RyzenTM PRO/ RyzenTM 2nd and 3rd generation series processors Socket - AM4 PGA 1331 Chipset - AMD Promontory X470

System Memory Capacity - 4 x 288-pin DDR4 DIMM slots - Support up to 128GB DDR4 ECC/UDIMM Type - Dual Channel DDR4 memory technology - Support DDR4 ECC/UDIMM For Picasso Ridge and Raven Ridge CPUs, ECC is only supported with PRO CPUs. DIMM Size Per DIMM - ECC/UDIMM: 32GB, 16GB, 8GB DIMM Frequency - ECC/UDIMM: 3200/2933/2666/2400/2133 MHz Different memory frequency support please refer our user manual P19. Voltage - 1.2V

	Expansion Slot PCIe 3.0 x 16 - PCIE6: Gen3 x16 link (splittable in x4/4/4/4), auto switch to x8 link when PCIE4 is occupied. - SLOT4: Gen3 x8 link PCIe 3.0 x 8 - SLOT5: Gen3 x4 link

	Storage SATA Controller - 6 x SATA3 6.0 Gb/s (1x SATA DOM port), support RAID 0, 1, 10 - Additional SATA Storage Controller Additional Storage Controller - Asmedia 1061: 2x SATA3 6.0Gb/s M.2 slot - 2 (2242/2260/2280/22110, supports SATA3 and PCIe 3.0 x2 or supports PCIe 2.0 x4 only)

	Ethernet Interface - 1000 /100 /10 Mbps by Intel i210AT LAN Controller - 2 x RJ45 GLAN by Intel i210AT - 1 x RJ45 Dedicated IPMI LAN port - 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 Dedicated GLAN - 1 x Realtek RTL8211E for dedicated management GLAN Features - Watch Dog

	Graphics Controller - ASPEED AST2500 VRAM - DDR4 16MB

	Rear Panel I/O VGA Port - 1 x D-Sub USB 3.1 Gen1 Port - 2 Lan Port - 2 x RJ45 Gigabit Ethernet LAN ports - 1 x RJ45 Dedicated IPMI LAN port - LAN Ports with LED (ACT/LINK LED and SPEED LED) Serial Port - 1 UID Button/UID LED - 1

Internal Connector COM Header - N/A SATA DOM - 1 M.2 - 2(M2_1: 2242/2260/2280/22110, PCIE(X4), M2_2:2242/2260/2280/22110, SATA/PCIE(X2)) Auxiliary Panel Header - 1 (include C_CASEOPENSYSTEM_FAULT_LEDLAN1 and LAN2 LED, location button and LED,BMC alert ) TPM Header - 1 IPMB Header - 1 Buzzer - 1 Fan Header - 6 Fans x 4-pin (FAN1(CPU)/FAN2-FAN6(5Front)) ATX Power - 1x (24-pin) + 1x (8-pin) USB 3.1 (Gen1) Header - 1 (supports 2 USB 3.1 Gen1 ports) USB 2.0 Header - N/A Speaker Header - N/A BMC_SMB Header - 1 ME/SPS Recovery - N/A Clear CMOS - 1 (short pad) PSU SMB Header - 1

	Onboard LED 80 Debug Port LED - 1 Fan Fail LED - 6 (only Fan Fail LED)

	System BIOS BIOS Type - 16MB AMI UEFI Legal BIOS BIOS Features - Plug and Play (PnP) - ACPI 2.0 Compliance Wake Up Events - SMBIOS 2.8.0 Support - ASRock Rack Instant Flash

	Hardware Monitor Temperature - CPU/DDR temperature sensing - MB/Card side temperature sensing Fan - Fan Tachometer - Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature) - Fan Multi-Speed Control Voltage - Voltage Monitoring: +12V, +5V, +3.3V, CPU Vcore, DRAM,1.05V_PCH, +BAT, 3VSB, 5VSB

	Support OS OS Microsoft Windows: -Windows 10 (64 bit) Linux: - UBuntu 16.04.4 (64 bit) - RedHat Enterprise Linux Server 7.3 (64bit) / 7.4 (64bit) Please refer to our website for the latest OS support list. On Linux system doesnt support Raid mode Support UEFI BOOT only

	Environment Temperature Operation temperature: 10oC - 35oC / Non operation temperature: -40oC - 70oC

	Weight 3.00 LB Warranty Information 3 years