Rack X399D8A-2T - Server ASROCK - Free user manual and instructions
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| Product Type | Server Motherboard |
| Brand | ASRock |
| Model | Rack X399D8A-2T |
| CPU Socket | sTR4 (LGA 4094) |
| Supported Processors | AMD Ryzen Threadripper (2nd/3rd Gen) |
| Chipset | AMD X399 |
| Memory Slots | 8x DDR4 DIMM (up to 256GB RDIMM/LRDIMM, ECC support) |
| Form Factor | E-ATX (12" x 13") |
| Networking | Dual 10GBASE-T (Intel X550-AT2) |
| Management | IPMI 2.0 with dedicated LAN |
| Storage Interfaces | 8x SATA3 (6 Gbps), 2x M.2 (NVMe/SATA), 1x U.2 |
| Expansion Slots | 4x PCIe 3.0 x16, 2x PCIe 3.0 x8, 1x PCIe 3.0 x4 |
| Power Connectors | 24-pin ATX, 2x 8-pin CPU, 1x 6-pin PCIe |
| Dimensions (W x D) | 12 x 13 inches (305 x 330 mm) |
| Weight | Approx. 2.5 kg (5.5 lbs) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Operating Humidity | 10% to 85% non-condensing |
| BIOS Features | AMI UEFI BIOS, PXE, ACPI, WOL |
| Front Panel Connectors | Power button, reset, HDD LED, LAN LEDs |
| Rear I/O Ports | 2x 10GbE RJ45, 1x Gigabit LAN (IPMI), VGA, USB 3.1 Gen1/Gen2 |
| Safety Compliance | CE, FCC, RoHS |
| Repairability Index | 8/10 (user replaceable CPU, RAM, battery, fans) |
Frequently Asked Questions - Rack X399D8A-2T ASROCK
What type of CPU does the ASRock Rack X399D8A-2T support?
It supports AMD Ryzen Threadripper processors (2nd and 3rd Gen) with the sTR4 socket.
Can I use ECC memory on this motherboard?
Yes, it supports ECC DDR4 RDIMM and LRDIMM modules up to 256 GB total.
What is the form factor of this motherboard?
It is an E-ATX form factor measuring 12 x 13 inches (305 x 330 mm).
Does it have built-in 10 Gigabit Ethernet?
Yes, it features two 10GBASE-T ports via the Intel X550-AT2 controller.
Is IPMI remote management supported?
Yes, it includes a dedicated IPMI 2.0 management LAN port.
How many M.2 slots does it have?
It has two M.2 slots (M key) supporting NVMe or SATA SSDs.
Can I use this motherboard in a standard PC case?
Yes, but ensure the case supports E-ATX motherboards. It is designed for servers.
What power supply connectors are needed?
You need a 24-pin ATX main power, two 8-pin CPU power, and optionally a 6-pin PCIe power.
How many SATA ports are available?
There are 8 SATA3 ports (6 Gbps) from the X399 chipset.
Where can I find the latest BIOS update?
Visit the ASRock Rack official support page and download the BIOS for X399D8A-2T.
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USER MANUAL Rack X399D8A-2T ASROCK
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Product information
Brand : ASROCK
Model : Rack X399D8A-2T
Category : Server