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1.2 Specifications
X399D8A-2T
MB Physical Status
Form Factor
ATX
Dimension
12'' x 9.6'' (30.5 cm x 24.4 cm)
Processor System
CPU
Supports AMD Ryzen™ Threadripper™ Processors
Socket
AMD Socket TR4 4094P
Chipset
AMD X399
System Memory
Capacity
- 8 x 288-pin DDR4 DIMM slots
- Supports up to 256GB DDR4 ECC U-DIMM
Type
- Quad Channel Memory Technology
- Supports DDR4 ECC U-DIMM
Voltage
1.2V
DIMM Size per
DIMM
ECC U-DIMM: 32GB, 16GB, 8GB, 4GB
DIMM Frequency ECC / non-ECC U-DIMM: 3600+(OC)/3200(OC)/2933
(OC)/2666/2400/2133 MHz
Expansion Slot
PCIe 3.0 x 16
SLOT2: Gen3 x16 link, auto switch to x8 link if Slot3 is
occupied.
SLOT3: Gen3 x8 link
SLOT4: Gen3 x16 link, auto switch to x8 link if Slot5 is
ccupied.
SLOT5: Gen3 x8 link
SLOT6: Gen3 x16 link
PCIe 2.0 x 4
(open-ended)
SLOT7: Gen2 x 4 link
M.2
1x M-key (PCIe3.0 x4 or SATA 6Gb/s shared with SATA port)
support 2230/2242/2260/2280/22110
1x M-key (PCIe3.0 x4) support 2230/2242/2260/2280/22110 (
Reserved BOM option for OCU Link)
Storage
SATA Controller
8x SATA 6Gb/s; 2x SATA DOM, 4 via mini-SAS HD, 2x SATA
7-pin (one shared with M.2)
Additional SATA
Controller
Asmedia 1061: 2 x SATA3 6.0 Gb/s (SATA3_6 / SATA3_7)
Ethernet
Interface
10Gbps/1000 Mbps
