All stock codes associated to this product
PRIME X299-A II, PRIMEX299AII, MBAX299AII, MBA-X299-A-II, 4718017488594
Asus Prime X299-A II Motherboard
Overview
Intel ATX motherboard LGA 2066 for Intel Core X-series processors, with AI
Overclocking, 12 IR3555 power stages, DDR4 4266 MHz, Triple M.2, USB 3.2 Gen 2
Type-C and Aura Sync RGB lighting
- 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
The Prime X299-A II caters to users with serious pursuits: Those who prefer
to put their high-core-count processors to more productive use. This high-end
desktop board combines cutting-edge performance with our signature features,
including an enhanced VRM tailored for running the CPU performance at stock
speeds, intuitive cooling control, next-gen connectivity, and extensive
customization.
Get the most out of all your cores
Intel's high-end desktop platform raises the stakes with updated Intel Core
X-Series Processors that boast cores, cache, and bandwidth. The Prime X299-A II
is ready for the additional processing power that plows through CPU-intensive
tasks, and the extra bandwidth allows you to add more GPUs and NVMe SSDs to
accelerate a wide range of work.
Robust Power Design
The LGA 2066 socket is compatible with Intel Core X-Series Processors with up
to 18 cores, over 44 PCI Express lanes, and 165-watt thermal design power (TDP).
Those specs require serious power, so the Prime X299-A II is equipped with an
enhanced power solution that includes 12 power stages that line up neatly along
the top edge of the PCB.
ProCool II connector
ProCool II connectors ensure a snug and reliable connection to the EPS 12V
power lines. The second-generation features upgrades of metal amour and solid
pins for better heat dissipation, as well as a warning LED-display with a BIOS
POST message to indicate an improper connection.
PowIRstage MOSFETS
Prime X299-A II VRM is comprised of 12 IR3555 PowIRstages, each rated to
handle 60 amps
Microfine Alloy choke
Each PowIRstage is accompanied by a high-permeability alloy-core choke rated
to handle 45 amps.
Multi-GPU support
Fully loaded takes on a new meaning when you have over 44 PCI Express lanes
stemming from the CPU. Those lanes can be split in an x16/x16/x8 configuration
spanning the board's trio of PCIe x16 slots, allowing you to load up on GPUs to
accelerate an increasingly diverse array of work.
M.2 | Achieve speed with onboard M.2
Professional applications require fast solid-state storage, which is why the
Prime X299-A II is equipped with three M.2 slots that are compatible with the
latest NVMe SSDs. All slots support longer 110 mm drives, and they can be
configured into bootable RAID arrays connected directly to the CPU via Intel
VROC technology.
USB 3.2 Gen 2 front-panel connector | Future-proof
connectivity
Plenty of USB ports are provided to support high-end rigs loaded with
peripherals, including a front-panel header with faster USB 3.2 Gen 2
connectivity for compatible cases.
Intel Ethernet | More throughput, less CPU usage and great gaming
experiences
The latest Intel I219-V Ethernet has the advantage of reducing CPU overhead
and offering exceptionally high TCP and UDP throughput for faster, smoother data
transfer.
Cool to the core
Effective cooling is extremely important, even at stock speeds. That is why
the Prime X299-A II allows consolidated cooling control of the entire system,
even for the most hardcore rigs. It comes equipped with onboard heatsinks, an
array of fan headers, and options for water pump or AIO headers.
M.2 Heatsinks
Two M.2 slots are covered by heatsinks to combat temperature-induced
throttling that can affect performance during heavy, sustained storage
loads.
Tune it your way
Comprehensive controls form the foundation of the ASUS Prime series. The
Prime X299-A II packs flexible tools to tune every aspect of your system to
deliver the performance that you desire.
AI Overclocking
ASUS AI Overclocking makes automatic tuning faster and smarter than ever
before. Available in Windows or directly through the UEFI, it profiles the CPU
and cooling to predict the optimal configuration for each individual system.
CPU Potential
A proprietary algorithm evaluates the capabilities of your CPU
Cooling Capability
Onboard intelligence watches system vitals such as temperature, fan speed,
and power draw to gauge cooling performance
5-way Optimization
One click takes care of all that complex tuning. ASUS 5-Way Optimization
makes your PC smart. It dynamically optimizes essential aspects of the system,
providing overclocking and cooling profiles that are tailored for your
rig.
- An automated tuning utility that optimizes overclocking and cooling
profiles for your unique system configuration.
- Fans stay quiet as a whisper for everyday computing, and deliver optimal
airflow when the system is crunching through CPU or GPU-intensive
tasks.
- All-new stress test that allows users to optimize and overclock for CPU or
memory-centric workloads.
CPU performance boost
The TurboV Processing Unit (TPU) provides AI Suite 3 with the intelligence
needed to automatically fine-tune voltages, monitor system stats, and adjust
overclocking settings. We have upgraded this tool to provide AI Overclocking
prediction values for users who want more insight when experimenting with
different settings.
All-round energy efficiency
The Energy Processing Unit (EPU) enables system-wide power efficiency to
automatically optimize power consumption to maximize energy savings. This tool
now features temperature regulation that adjusts the CPU frequency according to
processor temperatures. Users can now set a threshold to balance temperature and
performance.
Flexible cooling controls for air or liquid
With Prime X299-A II you have comprehensive control over fans via Fan Xpert 4
or UEFI. Whether you are cooling with air or water, Auto-Tuning mode
intelligently configures all parameters with a single click. There's also an
Extreme Quiet mode, which reduces all fan speeds to below the default minimum
keeping your system whisper-quiet when performing light tasks.
Precise digital power control
The Digi+ voltage-regulator module (VRM) delivers real-time control over
voltage droop, switching frequency and power-efficiency settings, allowing you
to fine-tune CPU voltage regulation for ultimate stability and performance.
Optimize per-core performance for every app
The Intel latest X-series processors feature per-core tuning, and the ASUS
Turbo Core app makes use of this feature by enabling your to assign applications
to specific processor cores, allowing you to prioritize compute power where it's
needed the most.
UEFI BIOS
The renowned UEFI BIOS provides everything you need to configure, tweak, and
tune your rig. It offers intelligently simplified options for newcomers to PC
DIY, as well as comprehensive features for seasoned veterans.
Advanced tuning for serious tweaker
When you're ready for a deeper dive into the configuration of your system,
delve into the UEFI's Advanced mode and take complete control. Each section is
intuitively organized, and a built-in search feature makes it easy to find the
options you need. Advanced functions are coded with the intelligence to adapt to
your settings, and when you're ready to take charge, parameters have the
granularity to dial in performance just the way you want.
Prediction
AI Overclocking monitors system vitals such as temperature, fan speed, and
power draw to estimate overclocking performance.
AI Overclocking Guide
The AI Overclocking Guide allows you to enable AI Overclocking or to view a
quick guide.
Search Function
Quickly and easily find the option or setting that you're looking
for.
ASUS User Profile
Port configuration settings between different BIOS versions or share them
with friends.
Breeze setup with ease
Designed to simplify setup, EZ mode presents all the vital settings and stats
on one single page. With guided wizards, drag-and-drop functionality, and
one-click application of important settings, your rig will be up and running in
no time.
AI Overclocking
Enable AI Overclocking intelligence via shortcut
Intuitive Graphical Fan Control
Fine-tune individual fans simply by dragging a curve with the
mouse.
EZ XMP
Improve DRAM performance with one click.
Aura On/Off mode (Stealth)
Easily enable or disable Aura RGB lighting or every onboard LED, for a
subdued aesthetic touch.
Little things make a big difference
We pay careful attention to all the little details that improve your overall
experience, from integrating a flashing utility directly into the UEFI to
simplifying firmware updates or displaying your system vital signs. Prime X299-A
II provides the tools you need to personalize your build and stay on top of
things.
Pre-mounted I/O Shield | Set up without
slip-ups
Form meets function in the pre-mounted I/O shield that we pioneered with the
ROG series. Now available on Prime X299-A II, this feature streamlines the
installation process for budding builders and savvy enthusiasts
alike.
FlexKey | A multi-purpose button
The FlexKey maps the rarely used Reset button on the front-panel of your
chassis to a different function. Instead of leaving the button set to a dated
function, you can reassign it to change performance profiles, boot directly into
the UEFI, toggle Aura Sync lighting, and much more.
BIOS FlashBack | Update your BIOS without CPU and
DRAM
The Prime X299-A II supports USB BIOS FlashBack, which can perform low-level
firmware updates using only a power supply and a USB stick with the required
file.
ASUS Node | A header to keep ahead
ASUS Node is a proprietary bi-directional interface that allows ASUS
motherboards to communicate with other system components, opening up a wealth of
new options for system builders.
Realtek codec and unique design features for pristine, powerful
audio
Prime X299-A II utilizes a unique audio codec designed in close collaboration
with Realtek the Realtek S1220A. It also features an unprecedented 120dB
signal-to-noise ratio for the stereo line-out and a 113dB SNR for the line-in,
providing pristine audio quality. Additionally, a new impedance-sensing circuit
automatically adjusts the gain to ensure optimal volume range for your
headphones.
DTS:X Ultra adds a spatial audio feature to boost headphones and speakers for
an enhanced gaming, VR, and extended reality experience. DTS:X Ultra supports
sound based on channels, scenes, and objects to allow for deeper sonic immersion
in enabled content. It also provides post-processing enhancements and
device-level tuning for DTS codecs.
Flawless audio that immerses you in the game
Power pre-regulator
Reduces power-input noise to ensure consistent performance.
Audio shielding
Separates analog/digital signal domains, significantly reducing multi-lateral
interference.
Separate layer for left and right tracks
Ensures minimal crosstalk between audio paths.
Integrated amplifier
Capable of driving high-impedance headphones, without rolling-off high or low
frequencies.
De-pop circuit
Reduces start-up popping noise to all audio outputs.
Premium Japanese audio
Premium parts provide an immersive sound signature, with exceptional
fidelity.
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Aura Sync | Outshine the competition
A well-tuned enthusiast system deserves a matching aesthetic. ASUS Aura
offers full RGB lighting control with a variety of functional presets for the
built-in RGB LEDs and they can all be synced with an ever-growing portfolio of
Aura-capable ASUS hardware. The board has dual headers for standard 4-pin RGB
strips*, plus two more for the new Addressable Gen 2 RGB strips** and
devices.
Addressable Gen 2 RGB header
Prime X299-A II has an addressable Gen 2 RGB header, which is now capable of
detecting the number of LEDs on second-gen addressable RGB devices, allowing the
software to automatically tailor lighting effects to specific devices. The new
headers also offer backward-compatibility with existing Aura RGB
gear
Armoury Crate
Armoury Crate is a new software utility designed to give you centralized
control of supported products. From a single intuitive interface, Armoury Crate
allows you to easily customize RGB lighting and effects for every compatible
device in your arsenal. The software also provides control of settings for ASUS
products, including keyboard and mouse preferences. Armoury Crate even features
dedicated product registration and highlight to help you stay in touch with the
ASUS community.
Intel Optane memory ready
Intel Optane is a revolutionary non-volatile memory technology supported by
Prime X299-A II. Intel Optane memory modules accelerate attached storage to
reduce boot and load times, so everything feels faster and more responsive.
Intel X299 chipset
The Intel X299 chipset supports LGA 2066-socket Intel Core X-Series
Processors. It provides improved performance by utilizing serial point-to-point
links, allowing increased bandwidth and stability. Additionally, X299 provides a
maximum 10 USB 3.2 Gen 1 ports, 8 SATA 6 Gbps ports and up to 32 Gbps M.2
support for faster data retrieval.
Intel Core X-series processors for LGA 2066
socket
Intel Core X-series processors (6-core and above): 4-channel (8-DIMM), over
44 PCI Express 3.0/2.0 lanes.
Specifications
|
CPU
|
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 |
|
Chipset
|
Intel
X299 |
|
Memory
|
(Intel Core i9 10000
X-Series CPU) |
|
8 x DIMM, Max. 256GB,
DDR4
4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3800(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3333(O.C.)/3300(O.C.)/3200(O.C.)/3000(O.C.)/2933/2800/2666/2400/2133
MHz Non-ECC, Un-buffered Memory |
|
(Intel Core i9
9000/7000 and i7 9000 X-Series CPU) |
|
8 x DIMM, Max. 256GB,
DDR4
4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3800(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3333(O.C.)/3300(O.C.)/3200(O.C.)/3000(O.C.)/2933(O.C.)/2800(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 www.asus.com for 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
|
48-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 |
|
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 10000
X-Series CPU) : |
|
2 x M.2 x4 Socket 3,
with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x
4 mode) |
|
Support Raid 0, 1, 5,
10 |
|
Intel Rapid Storage
Technology Enterprise 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) |
|
Support Raid 0, 1, 5,
10 |
|
Intel Rapid Storage
Technology 15 support |
|
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 |
|
- Addressable Gen 2
Header |
|
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 AAFP
connector |
|
2 x Aura RGB Strip
Headers |
|
1 x Addressable Gen 2
header(s) |
|
1 x USB 3.2 Gen 1 front
panel TypeC connector |
|
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) |
|
1 x COM port(s)
connector(s) |
|
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 Thunderbolt header
(5-pin) for ASUS ThunderboltEX series support |
|
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 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 Wi-Fi E Key. PCIEX1_1 is disabled by
default. |
|
PCIEX1_2 shares
bandwidth with SATA6G_7. PCIEX1_2 is disabled by
default. |
|
* 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 |
