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Prime X299-A II, Intel X299 Chipset, LGA 2066, ATX Motherboard

SKU: 13008731

Manufacturer: ASUS

MPN: Prime X299-A II

Availability: Out of Stock


Price: $321.96
or as low as $10/month
  • Intel LGA 2066 socket: Ready for the latest Intel® Core™ X-series processors
  • AI Overclocking: Quickly optimizes your CPU performance based on the CPU and cooler, achieving results that are extremely close to manual tuning by experts
  • Robust power design: 12 IR3555 power stages, ProCool II connectors, alloy chokes and ultra-durable capacitors for stable power delivery
  • M.2 heatsink: Ultra-efficient heatsink reduces M.2 SSD temperatures by up to 20° C for unthrottled transfer speeds and enhanced reliability
  • Next-gen connectivity: Intel Optane memory ready, Intel® VROC support, dual M.2 support, and USB 3.2 Gen Type-C™
CPU Intel® Socket 2066 Core™ X-Series Processors
* The Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types
* Refer to CPU support list
Chipset Intel® X299
Memory Intel® Core™ X-Series Processors Family
8 x DIMM, Max. 256GB, DDR4 4266(O.C.)/4200(O.C.)/4133(O.C.)/4000(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. 
* Refer to the Memory QVL (Qualified Vendors Lists).
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
Expansion Slots 44-Lane CPU-
3 x PCIe 3.0/2.0 x16 (x16, x16/x16, x16/x16/x8)
2 x PCIe 3.0/2.0 x1 *1
28-Lane CPU-
2 x PCIe 3.0/2.0 x16 (x16, x16/x8) *2
2 x PCIe 3.0/2.0 x1 *1
1 x M.2 Socket 1 with E key, type 2230 for WIFI/BT devices support PCIE/USB mode*
* The Wi-Fi E key shares bandwidth with PCIEX1_1.
* The Wi-Fi/BT module is purchased separately
Storage Intel® X299 Chipset :
1 x M.2 x4 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)*3
1 x M.2 x4 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)*4
8 x SATA 6Gb/s port(s)*5
Support Raid 0, 1, 5, 10
Intel® Rapid Storage Technology supports
(Intel® Core™ i9 9000/7000 and i7 9000 X-Series CPU) :
1 x M.2 x4 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)
Intel® Optane™ Memory Ready *6
LAN Intel® I219V, 1 x Gigabit LAN
ASUS Turbo LAN Utility
ASUS LAN Guard
Audio Realtek® S1220A 8-Channel High Definition Audio CODEC
- Power pre-regulator reduces power input noise to ensure consistent performance
- 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 Jack-retasking
Audio Feature :
- DTS X®:Ultra
- Optical S/PDIF out port(s) at back panel
- Audio Shielding: Ensures precision analog/digital separation and greatly reduced multi-lateral interference
- Dedicated audio PCB layers: Separate layers for left and right channels to guard the quality of the sensitive audio signals
- Premium Japanese-made 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
USB Ports ASMedia® USB 3.2 Gen 2 controller : *1
1 x USB 3.2 Gen 2 front panel connector port(s)
ASMedia® USB 3.2 Gen 2 controller : *1
2 x USB 3.2 Gen 2 (up to 10Gbps) port(s) (2 at back panel, , Type-A + USB Type-CTM)
Intel® X299 Chipset :
8 x USB 3.2 Gen 1 port(s) (4 at back panel, , 4 at mid-board)
Intel® X299 Chipset :
6 x USB 2.0 port(s) (2 at back panel, , 4 at mid-board)
Special Features 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 Xpert 4, and Turbo Core App
AI Overclocking
ASUS 5X Protection III :
- ASUS SafeSlot Core: Fortified PCIe Slot prevents damage
- ASUS LANGuard: Protects against LAN surges, lightning strikes and static-electricity discharges!
- 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 SafeSlot - Protect your graphics card Investment
AURA :
- Aura RGB Strip Headers
- Aura Lighting Effects Synchronization with compatible ASUS ROG devices
- Aura Addressable Strip Header(s)
ASUS Exclusive Features :
- USB BIOS Flashback®
- AI Suite 3
- Ai Charger
- Onboard Button : Power
- ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface
- ASUS CrashFree BIOS 3
- Turbo LAN
- Armoury Crate
- Pre-mounted I/O Shield
- ASUS NODE: hardware control interface
- BIOS Flashback® Button
ASUS Quiet Thermal Solution :
- Stylish Fanless Design with M.2 Heat-sink solution
- ASUS Fan Xpert 4
ASUS Q-Design :
- ASUS Q-Code
- ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED, HDD LED)
- ASUS Q-Slot
- ASUS Q-DIMM
- ASUS Q-Connector
Intel® Virtual RAID on CPU (VROC) ready
DIY Friendly Design
- ProCool II
- SafeSlot
Back I/O Ports 1 x PS/2 keyboard/mouse combo port(s)
1 x LAN (RJ45) port(s)
4 x USB 3.2 Gen 1
2 x USB 2.0 (one port can be switched to USB BIOS Flashback®)
1 x Optical S/PDIF out
5 x Audio jack(s)
1 x USB BIOS Flashback® Button(s)
2 x USB 3.2 Gen 2 (up to 10Gbps) ports (Type-A + USB Type-CTM)
Internal I/O Ports 1 x Aura Addressable Strip Header(s)
1 x AAFP connector
2 x Aura RGB Strip Header
2 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 4 USB 3.2 Gen 1 port(s)
2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
2 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)
8 x SATA 6Gb/s connector(s)
1 x M.2_FAN connector
1 x VROC_HW_Key
1 x CPU Fan connector(s)
1 x CPU OPT Fan connector(s)
2 x Chassis Fan connector(s)
1 x W_PUMP+ connector
1 x AIO_PUMP connector
1 x 24-pin EATX Power connector(s)
2 x 8-pin EATX 12V Power connectors
1 x Front panel audio connector(s) (AAFP)
1 x System panel(s) (Q-Connector) (Chassis intrusion header is inbuilt)
1 x Thermal sensor connector(s)
1 x Power-on button(s)
1 x Clear CMOS jumper(s)
1 x Node Connector(s)
1 x USB 3.2 Gen 2 front panel connector
1 x CPU_OV jumper
1 x Q-Code
Accessories User's manual
1 x Vertical M.2 bracket set
1 x ASUS Fan Holder
4 x SATA 6Gb/s cable(s)
2 x M.2 Screw Package
1 x Supporting DVD
1 x Q-Connector
1 x Extension Cable for RGB strips (80 cm)
1 x Extension cable for Addressable LED
BIOS 128 Mb Flash ROM, UEFI AMI BIOS, PnP, SM BIOS 3.1, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, CrashFree BIOS 3, F11 AI OC Guide, F6 Qfan Control, F3 My Favorites, Last Modified log, F9 Search, F12 PrintScreen, F4 AURA ON/OFF and ASUS DRAM SPD (Serial Presence Detect) memory information
Manageability WfM 2.0, DMI 3.0, WOL by PME, PXE
Support Disc Drivers
ASUS Utilities
EZ Update
Anti-virus software (OEM version)
Operating System Windows® 10 64-bit
Form Factor ATX Form Factor
12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )
Note * 1. PCIEX1_1 shares bandwidth with USB 3.2 Gen 2 front panel connector(U31G2_E1). It is disabled by default.
PCIEX1_2 shares bandwidth with SATA6G_7.
* 2. PCIeX16_3 will be disabled when using 28-lane CPU.
* 3. The M.2_2 socket shares bandwidth with SATA6G_1 port when using M.2 SATA devices.
* 4. The M.2_1 PCIe mode source is from X299 Chipset when using 44 and 28-lane CPU.
* 5. The SATA6G_7 shares bandwidth with PCIeX1_2.
* 6. The M.2 PCIE mode source from X299 Chipset supports Intel® Optane Memory