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ASRock MB-X399M TAICHI sTR4 AMD X399 Micro ATX AMD Motherboard

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  • AMD X399
  • Ryzen Threadripper Series
  • DDR4 3600+(OC)/ 3200(OC)/ 2933(OC)/ 2667/ 2400/ 2133
  • * Please refer to Memory Support List on ASRock's website for more information.
🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available
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Learn more about the ASRock MB-X399M TAICHI

Model
Brand ASRock
Model MB-X399M TAICHI
Supported CPU
CPU Socket Type sTR4
CPU Type Ryzen Threadripper Series
Chipsets
Chipset AMD X399
Memory
Number of Memory Slots 4x288pin (DDR4)
Memory Standard DDR4 3600+(OC)/ 3200(OC)/ 2933(OC)/ 2667/ 2400/ 2133
* Please refer to Memory Support List on ASRock's website for more information.
Maximum Memory Supported 64GB
* Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows 32-bit OS. For Windows 64-bit OS with 64-bit CPU, there is no such limitation.
Channel Supported Quad Channel
Expansion Slots
PCI Express 3.0 x16 3 x PCI Express 3.0 x16 Slots (PCIE1/PCIE2/PCIE3: single at x16 (PCIE1); dual at x16 (PCIE1) / x16 (PCIE2); triple at x16 (PCIE1) / x16 (PCIE2) / x16 (PCIE3))*
* Supports NVMe SSD as boot disks
Other Slots 1 x Vertical M.2 Socket (Key E) with the bundled Wi-Fi 802.11 ac module (on the rear I/O)
15µ Gold Contact in VGA PCIe Slot (PCIE1, PCIE2 and PCIE3)
Storage Devices
Serial ATA (SATA) 8 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug
M.2 1 x Ultra M.2 Socket (M2_1), supports M Key type 2242/2260/2280/22110 M.2 PCI Express module up to Gen3 x4 (32Gb/s)*
1 x Ultra M.2 Socket (M2_2), supports M Key type 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32Gb/s)*
1 x Ultra M.2 Socket (M2_3), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x4 (32Gb/s)*
1 x U.2 Connector**

* Supports NVMe RAID (RAID 0, RAID 1 and RAID 10)
* Supports NVMe SSD as boot disks
* Supports ASRock U.2 Kit
** If U.2 Connector is plugged, M2_1 will be disabled
SATA RAID 0/1/10
Onboard Video
Onboard Video Chipset None
Onboard Audio
Audio Chipset Realtek ALC1220
Audio Channels 7.1 Channels
Onboard LAN
LAN Chipset 2 x Intel I211AT
Max LAN Speed 2 x 1Gbps
Wireless LAN Intel 802.11 ac Wi-Fi Module
Supports IEEE 802.11 a/b/g/n/ac
Supports Dual-Band (2.4/5 GHz)
Supports high speed wireless connections up to 433 Mbps
Bluetooth Supports Bluetooth 4.2 / 3.0 + High speed class II
Rear Panel Ports
Back I/O Ports 2 x Antenna Ports
1 x PS/2 Mouse/Keyboard Port
1 x Optical SPDIF Out Port
1 x USB 3.1 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
1 x USB 3.1 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection)
8 x USB 3.1 Gen1 Ports (Supports ESD Protection)*
2 x RJ-45 LAN Ports with LED (ACT/LINK LED and SPEED LED)
1 x BIOS Flashback Button
HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)

* Ultra USB Power is supported on USB3_5 port.
* ACPI wake-up function is not supported on USB3_5 port.
Internal I/O Connectors
Onboard USB 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
2 x USB 3.1 Gen1 Headers (Support 4 USB 3.1 Gen1 ports) (Supports ESD Protection)
Other Connectors 1 x TPM Header
1 x Power LED and Speaker Header
1 x RGB LED Header*
1 x CPU Fan Connector (4-pin)**
1 x CPU Optional/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)***
2 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)
1 x Chassis Optional/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)****
1 x Front Panel Audio Connector (15µ Gold Audio Connector)*****
1 x Right Angle Front Panel Audio Connector*****
1 x Clear CMOS Button
1 x Dr. Debug with LED
1 x Power Button
1 x Reset Button
1 x CPU Xtreme OC Switch

* Supports in total up to 12V/3A, 36W LED Strip.
** The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
*** The CPU Optional/Water Pump Fan supports the water cooler fan of maximum 1.5A (18W) fan power.
**** The Chassis Optional/Water Pump Fan supports the water cooler fan of maximum 1.5A (18W) fan power.
**** CPU_FAN1, CHA_FAN1, CHA_FAN2, CPU_OPT/W_PUMP and CHA_FAN3/W_PUMP can auto detect if 3-pin or 4-pin fan is in use.
***** Connect the audio device to either one of the audio connectors.
Physical Spec
Form Factor Micro ATX
LED Lighting RGB
Dimensions (W x L) 9.6" x 9.6"
Power Pin 1 x 24-pin ATX Power Connector (Hi-Density Power Connector)
1 x 8-pin 12V Power Connector (Hi-Density Power Connector)
1 x 4-pin 12V Power Connector (Hi-Density Power Connector)
Features
Features Unique Feature:
ASRock USB 3.1 Gen2
- ASRock USB 3.1 Gen2 Type-A Port (10Gb/s)
- ASRock USB 3.1 Gen2 Type-C Port (10Gb/s)
ASRock Super Alloy
- XXL Aluminum Alloy Heatsink
- Premium 60A Power Choke
- Premium Memory Alloy Choke (Reduces 70% core loss compared to iron powder choke)
- IR3555M Dr. MOS 60A
- Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors)
- I/O Armor
- Matte Black PCB
- High Density Glass Fabric PCB
Intel 802.11 ac Wi-Fi
ASRock Steel Slots
ASRock Ultra M.2 (PCIe Gen3 x4 & SATA3)
ASRock Ultra USB Power
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update & APP Shop

BIOS:
- 128MB AMI UEFI Legal BIOS with GUI support
- Supports "Plug and Play"
- ACPI 5.1 compliance wake up events
- Supports jumperfree
- SMBIOS 2.3 support
- CPU, VCORE_NB, DRAM, VPPM, PCH 1.05V, +1.8V, VDDP, PROM 2.5V, Voltage Multi-adjustment

Software and UEFI:
Software
- ASRock A-Tuning
- ASRock RGB LED
- ASRock APP Charger
- ASRock XFast LAN
UEFI
- ASRock Full HD UEFI
- ASRock Instant Flash
- ASRock Easy RAID Installer
* These utilities can be downloaded from ASRock Live Update & APP Shop.

Support CD:
- Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar

Hardware Monitor:
- Temperature Sensing: CPU, CPU Optional/Water Pump, Chassis, Chassis Optional/Water Pump Fans
- Fan Tachometer: CPU, CPU Optional/Water Pump, Chassis, Chassis Optional/Water Pump Fans
- Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU Optional/Water Pump, Chassis, Chassis Optional/Water Pump Fans
- Fan Multi-Speed Control: CPU, CPU Optional/Water Pump, Chassis, Chassis Optional/Water Pump Fans
- Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, VCORE_NB, DRAM, PCH 1.05V, +1.8V, VDDP

OS:
- Microsoft Windows 10 64-bit

Certifications:
- FCC, CE
- ErP/EuP ready (ErP/EuP ready power supply is required)
Packaging
Package Contents Accessories:
- Quick Installation Guide, Support CD, I/O Shield
- 4 x SATA Data Cables
- 1 x ASRock SLI_HB_Bridge_1S Card
- 1 x ASRock SLI_HB_Bridge_2S Card
- 2 x ASRock Wi-Fi 2.4/5 GHz Antennas
- 3 x Screws for M.2 Sockets
Additional Information
First Listed on Newegg April 27, 2020

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Return Policies

Manufacturer Contact Info

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