Asus PREME X399-A sTR4 AMD X399 SATA 6Gb/s USB 3.1 Extended ATX AMD Motherboard.

Overview:

• Powered by AMD Ryzen Threadripper TR4 processors to maximize connectivity and speed with support for up to 128GB of DDR4 memory, dual NVMe M.2 drives, front side U.2 and  front panel USB 3.1 Gen2 port
• 5-Way Optimization featuring Auto-Tuning and FanXpert 4 provides automatic overclocking profiles for maximum OC performance while AIO and watercooling headers deliver dynamic system cooling
• Patent-pending SafeSlot (3X) features an injection molding process that integrates metal framing for a stronger, firmly anchored PCIe slot built for heavyweight GPUs
• Unmatched Personalization with ASUS exclusive AURA Sync RGB lighting, two additional RGB headers and 3D-printing mounts to customize your build
• 8-channel HD audio enhanced by ASUS exclusive Realtek S1220A featuring Crystal Sound 3 and driven by Japanese capacitors for warm, immersive sound

Model

Brand ASUS
Model PRIME X399-A
Supported CPU

CPU Socket Type sTR4
CPU Type Ryzen Threadripper Series
Chipsets

Chipset AMD X399
Memory

Number of Memory Slots 8×288pin
Memory Standard DDR4 3200(O.C)/ 3000(O.C)/ 2800(O.C.)/ 2666/ 2400/ 2133
Maximum Memory Supported 128GB
Channel Supported Quad Channel
Expansion Slots

PCI Express 3.0 x16 4 x PCIe 3.0 x16 (single@x16, dual@x16/x16, triple@x16/x16/x8 mode)
PCI Express x4 1 x PCIe 2.0 x4 (max at x4 mode)
PCI Express x1 1 x PCIe 2.0 x1
Storage Devices

SATA 6Gb/s 6 x SATA 6Gb/s
M.2 1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x4 mode)
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x4 mode)
1 x U.2 port
SATA RAID 0/1/10
Onboard Video

Onboard Video Chipset None
Onboard Audio

Audio Chipset Realtek ALC S1220A
Audio Channels 8 Channels
Onboard LAN

LAN Chipset Intel i211AT
Max LAN Speed 10/100/1000Mbps
Rear Panel Ports

RJ45 1 x RJ45
USB 3.1 2 x USB 3.1 Gen 2 (teal blue) Type-A + USB Type-C
8 x USB 3.1 Gen 1 (blue)
S/PDIF Out 1 x Optical
Audio Ports 5 Ports
Internal I/O Connectors

Onboard USB 2 x USB 3.1 Gen 1 connector(s) support(s) additional 4 USB 3.1 Gen 1 port(s)
1 x USB 3.1 Gen 2 front panel connector
2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
Other Connectors 1 x 3-pin Cover fan (COV_FAN) connector
1 x Q_Code
2 x RGB Header(s)
1 x M.2_FAN connector
1 x CPU Fan connector(s)
1 x CPU OPT Fan connector(s)
3 x Chassis Fan connector(s)
1 x AIO_PUMP connector
1 x W_PUMP+ connector
1 x Front panel audio connector(s) (AAFP)
1 x System panel(s)
1 x 5-pin EXT_FAN (Extension Fan) connector
1 x Thermal sensor connector(s)
1 x Power-on button(s)
1 x Clear CMOS button(s)
Physical Spec

Form Factor Extended ATX
LED Lighting RGB
Dimensions (W x L) 12.0" x 10.6"
Power Pin 1 x 24-pin EATX Power connector(s)
1 x 8-pin ATX 12V Power connector(s)
1 x 4-pin ATX 12V Power connector(s)
Features

Features Multi-GPU Support:
Supports NVIDIA Quad-GPU SLI Technology
Supports NVIDIA 3-Way SLI Technology
Supports NVIDIA 2-Way SLI Technology
Supports AMD Quad-GPU CrossFireX Technology
Supports AMD 3-Way CrossFireX Technology
Supports AMD 2-Way CrossFireX Technology

Special Features:
OC Design - ASUS PRO Clock Technology
- Full BCLK range for extreme overclocking performance
ASUS Dual Intelligent Processors 5-Way Optimization by Dual Intelligent Processors 5:
- 5-Way Optimization tuning key perfectly consolidates TPU, EPU, DIGI+ VRM, Fan Expert 4, and Turbo App
AURA:
- Aura RGB Strip Headers
- Aura Lighting Effects Synchronization with compatible ASUS ROG devices
ASUS Exclusive Features:
- USB BIOS Flashback
- AI Suite 3
- Ai Charger
- Onboard Button: Power
- ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface
- Turbo LAN
- Crystal Sound 3
- PC Cleaner
ASUS Quiet Thermal Solution:
- Stylish Design Heat-pipe solution
- Stylish Fanless Design with M.2 Heat-sink solution
- ASUS Fan Xpert 4
ASUS EZ DIY:
- ASUS EZ Flash 3
- ASUS USB BIOS Flashback
- ASUS UEFI BIOS EZ Mode
- Multi-language BIOS
ASUS Q-Design:
- ASUS Q-Shield
- ASUS Q-Code
- ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED)
- ASUS Q-Slot
- ASUS Q-DIMM
- ASUS Q-Connector
Gaming Aesthetics:
- 3D printing friendly
- AURA-RGB Lighting
M.2 and U.2 Onboard (The Latest Transfer Technology with up to 32Gb/s Data-transfer Speeds for M.2 and U.2)

BIOS
128MB Flash ROM, UEFI AMI BIOS, PnP, WfM2.0, SM BIOS 3.0, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, CrashFree BIOS 3, F11 EZ Tuning Wizard, F6 Qfan Control, F3 My Favorites, Last Modified log, F12 PrintScreen and ASUS DRAM SPD (Serial Presence Detect) memory information

Manageability
WfM 2.0, DMI 3.0, WOL by PME, PXE

Operating System
Windows 10 64-bit