Manufacturer	ASRock Rack
Part Number	X399D8A-2T
CPU	Supports AMD Threadripper Series CPUs AMD TR4 Socket, 4094P
Chipset	AMD X399 Chipset
Memory	8 x DDR4 DIMM Slots Supports up to 128GB ECC/Non-ECC UDIMM 4-Channel 2133/2400/2666 MHz
Video	ASPEED AST2500 DDR4 4GB VRAM
Audio	Realtek ALC892
Storage Technology	2 x SATADOM 2 x SATA 7-pin (shared with M.2) 4 x SATA3 via mini-SAS HD 2 x SATA3 6.0Gb/s via Asmedia1061 M.2 slot (2242/2260/2280/22110, PCI-E x4) Note: Reserved BOM option for OCU Link M.2 slot (2230/2242/2260/2280/22110, SATA/PCI-E x4) Note: shared with SATA port
Connectivity	2 x Intel X550-AT2 10G LAN Supports Wake-On-LAN Supports Energy Efficient Ethernet 802.3az Supports Teaming Function Supports PXE 1 x Realtek RTL8211E Dedicated IPMI
Expansion Slots	2 x PCI-E 3.0 x16 (x8 link if slot3 or slot5 occupied ) 2 x PCI-E 3.0 x16 (x8) 1 x PCI-E 3.0 x16 (x16) 1 x PCI-E 3.0 x4
Power	1 x 24-Pin ATX Power Connector 2 x 8-Pin ATX Power Connector
Rear I/O	1 x VGA 1 x UID Button/LED 1 x S/PDIF Out 1 x PS/2 Keyboard/Mouse 2 x USB 3.1 (Gen1) 1 x RJ45 Dedicated IPMI 1 x USB 3.1 Type-A (Gen2) 1 x USB 3.1 Type-C (Gen2) 3 x Audio I/O 2 x RJ45 10G LAN
Onboard I/O Headers	1 x COM header 1 x Auxiliary Panel header (chassis intrusion, location, system fault led) 1 x TR1 header 1 x TPM header 1 x IPMB header 1 x VGA header 1 x Buzzer 6 x 6-pin Fan header 1 x USB 3.1 header (supports up to 2 USB 3.0 ports) 1 x USB 2.0 header (supports up to 2 USB 2.0 ports) 1 x USB 3.1 header (supports up to 1 USB 3.1 port) 2 x PWR SMB header 1 x NMI Button 1 x Speaker header 1 x BMC_SMB header 2 x SGPIO header 1 x PMBUS mode jumper 1 x Clear CMOS (short pin) 1 x 80 Debug Port LED
Form Factor	ATX 305mm x 244mm 12" x 9.6" (in inches)
Environmental	Operating Temperature: 0°C to 35°C (32°F to 95°F) Non-Operating Temperature: -40°C to 70°C (-40°F to 158°F)
Warranty	1-Year Manufacturer's Limited Warranty