ASUS - WS X299 PRO Dual M.2 DDR4 ATX Socket 2066

Intel® Socket 2066 Core™ X-Series Processors 
* The Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types
* Refer to www.asus.com for CPU support list

Intel® X299

Intel® Core™ X-series Processors (6-core above)
8 x DIMM, Max. 128GB, DDR4 4133(O.C.)/3600(O.C.)/2666/2400/2133 MHz Non-ECC, Un-buffered Memory 
Intel® Core™ X-series Processors (4-core)
4 x DIMM, Max. 64GB, DDR4 4133(O.C.)/3600(O.C.)/2666/2400/2133 MHz Non-ECC, Un-buffered Memory 
Supports Intel® Extreme Memory Profile (XMP)
* Hyper DIMM support is subject to the physical characteristics of individual CPUs. 
* Actual memory frequency differs from Intel CPU types and memory module. Please check Intel official site for more detail about the memory types supported by each CPU.

Supports NVIDIA® 3-Way SLI™ Technology *
Supports AMD 3-Way CrossFireX™ Technology *

44-Lane CPU-
2 x PCIe 3.0 x16 (x16 mode) 
1 x PCIe 3.0 x16 (x8 mode) 
1 x PCIe 3.0 x16 (x4 mode) 
1 x PCIe 3.0 x4 (x4 mode) 
28-Lane CPU-
1 x PCIe 3.0 x16 (x16 mode) 
1 x PCIe 3.0 x16 (x8 mode) 
1 x PCIe 3.0 x16 (x4 mode) 
1 x PCIe 3.0 x4 (x4 mode) 
16-Lane CPU-
1 x PCIe 3.0 x16 (x8 mode) 
2 x PCIe 3.0 x16 (x4 mode) 
1 x PCIe 3.0 x4 (x4 mode)

Intel® X299 Chipset : 
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)*1
1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)*2
1 x U.2 connector
6 x SATA 6Gb/s port(s)
Support Raid 0, 1, 5, 10
Intel® Rapid Storage Technology 15 support
Support Intel® Rapid Storage Technology enterprise 5.1 for X-Series(6-core and above) CPU RAID
Supports Intel® Smart Response Technology
Intel® Optane™ Memory Ready

Intel® I210-AT, 2 x Gigabit LAN Controller(s)

Realtek® ALC S1220A 7.1-Channel High Definition Audio CODEC featuring Crystal Sound 3
- Impedance sense for front and rear headphone outputs
- Internal audio Amplifier to enhance the highest quality sound for headphone and speakers
- Supports : Jack-detection, Multi-streaming, Front Panel MIC Jack-retasking
- High quality 120 dB SNR stereo playback output (Line-out at rear) and 113 dB (Line-in)
Audio Feature :
- DTS Connect
- DTS Headphone:X 
- Audio amplifier: Provides the highest-quality sound for headphone and speakers
- Premium Japanese audio capacitors: Provide warm, natural and immersive sound with exceptional clarity and fidelity
- Unique de-pop circuit: Reduces start-up popping noise to audio outputs
Separate layer for left and right track, ensuring both sound deliver equal quality
Premium Japan-made audio capacitors provides warm, natural, and immersive sound with exceptional clarity and fidelity

Intel® X299 Chipset : 
6 x USB 3.1 Gen 1 port(s) (4 at back panel, , 2 at mid-board)
Intel® X299 Chipset : 
6 x USB 2.0 port(s) (4 at back panel, , 2 at mid-board)
ASMedia® USB 3.1 Gen 2 controller : 
2 x USB 3.1 Gen 2 port(s) (2 at back panel, , Type-A + USB Type-CTM)
ASMedia® USB 3.1 Gen 2 controller : 
1 x USB port(s)

OC Design - ASUS PRO Clock II Technology
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
TPU

Fan Xpert4
- Fan Xpert 4 featuring Fan Auto Tuning function and multiple thermistors selection for optimized system cooling control
ASUS 5X Protection III :
- ASUS SafeSlot Core: Fortified PCIe Slot prevents damage
- ASUS Overvoltage Protection: World-class circuit-protecting power design
- ASUS Stainless-Steel Back I/O: 3X corrosion-resistance for greater durability!
- ASUS Enhanced DRAM Overcurrent Protection - Short circuit damage prevention 
- ASUS ESD Guards - Enhanced ESD protection
ASUS EPU :
- EPU 
ASUS Digital Power Design :
- Industry leading Digital 8 Phase CPU Power Design
- Industry leading Digital 2 Phase DRAM Power Design
AURA :
- Aura RGB Strip Headers
- Aura Addressable Strip Header(s)
ASUS Exclusive Features :
- AI Suite 3
- Ai Charger+
- Turbo LAN
- Crystal Sound 3
ASUS EZ DIY :
- ASUS CrashFree BIOS 
- ASUS EZ Flash 
- ASUS USB BIOS Flashback 
- 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
M.2 and U.2 Onboard (The Latest Transfer Technology with up to 32Gb/s Data-transfer Speeds for M.2 and U.2)
Asus Control Center (ACC) IT management software supported

2 x LAN (RJ45) port(s)
2 x USB 3.1 Gen 2 (teal blue)Type-A + USB Type-CTM
4 x USB 3.1 Gen 1 
4 x USB 2.0 
1 x Optical S/PDIF out
1 x USB BIOS Flashback Button(s)
1 x 8-channel Audio I/O

1 x Aura Addressable Strip Header(s)
1 x AAFP connector
1 x Aura RGB Strip Header
1 x USB 3.1 Gen 1 connector(s) support(s) additional 2 USB 3.1 Gen 1 port(s) 
1 x USB 2.0 connector(s) support(s) additional 2 USB 2.0 port(s)
2 x M.2 Socket 3 
1 x TPM header
6 x SATA 6Gb/s connector(s)
1 x VROC_HW_Key
2 x CPU Fan connector(s) 
1 x AIO_PUMP connector 
1 x Thunderbolt header(s)
1 x 24-pin EATX Power connector(s)
2 x 8-pin ATX 12V Power connector(s)
1 x 6-pin EZ_PLUG Power connector(s)
1 x EZ XMP switch
1 x Front panel connector(s) 
1 x AUX panel header(s)
1 x MemOK! button(s)
1 x Thermal sensor connector(s)
1 x CPU OV
1 x Power-on button(s)
1 x Clear CMOS button(s)
1 x 5-pin EXT_FAN(Extension Fan) connector
1 x Rear fan
1 x COM port header
1 x U.2 Connector (support U.2 NVMe device)
1 x USB 3.1 Gen 2 front panel connector
1 x PANEL2
1 x PUMP Fan connector
1 x PANEL1

User's manual
1 x Vertical M.2 bracket set
I/O Shield
1 x COM port cable(s)
6 x SATA 6Gb/s cable(s)
2 x M.2 screws
1 x Supporting DVD
1 x 3-Way SLI bridge(s)
1 x SLI bridge(s)
1 x Q-Connector
1 x 2-port USB module(s)
1 x Extension Cable for RGB strips (80 cm)

ATX Form Factor 
12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

Gift Box(3-in-1)
Net Weight: 4.59 Kg
Gross Weight: 7.48 Kg

Bulk Pack(5-in-1)
Net Weight: 7.15 Kg
Gross Weight: 8.94 Kg

*Actual number of Multi-graphic supported differs per Vendors' Graphic cards. Please check with Vendor beforehand.
*1 Bandwidth is shared between M.2_2 and U.2
*2 SATA Bandwidth is shared between M.2_1 and SAT6G_1