MB Physical Status Form Factor mATX

	Processor System CPU AMD AM4 Socket Ryzen Series CPUs (Raven Ridge and Pinnacle Ridge) and Ryzen 7nm CPUs Socket AM4 PGA 1331 Chipset AMD Promontory X470

System Memory Capacity 4 x 288-pin DDR4 DIMM slots - Support up to 64GB DDR4 ECC/UDIMM - One DIMM: 1R DIMM at 2667MT/s 2R/2DR DIMM at 2400MT/s - Two DIMMs: (1) 1R DIMM at 2133 MT/s (2) 2R/2DR DIMM at 1866MT/s 1R and 2R/2DR DIMM each at 1866MT/s Type Dual Channel DDR4 memory technology - Support DDR4 ECC/UDIMM DIMM Size Per DIMM ECC/UDIMM: 64GB, 32GB, 16GB, 8GB DIMM Frequency ECC/UDIMM: 2666/2400/2133 MHz 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) Additional Storage Controller Asmedia 1061: 2x SATA3 6.0Gb/s M.2 slot 2 (2242/2260/2280/22110, supports SATA3 6.0Gb/s or PCIe 3.0 x2(M.2_2) and supports PCIe 2.0 x4 only(M.2_1))

	Ethernet Interface 1000 /100 /10 Mbps by Intel i210 LAN Controller 2 x RJ45 GLAN by Intel i210 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 256MB

	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 LAN2 LED, location button LED,BMC alert ) TPM Header 1 IPMB Header 1 Buzzer 1 Fan Header 6 Fans x 4-pin (FAN1(CPU)/FAN2FAN6(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

	Item Dimension (L"xW"xH") NA Weight 3 lbs Warranty Information 3 Years