ASUS Prime X299-A Review & Specifications

ASUS PRIME X299-A LGA2066 DDR4 M.2 ATX

- ASUS

$309.99 $286.99 (Change Store)

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$
Prime X299-Deluxe $467.39
Strix X299-E Gaming $319.99
Prime Eligible Item
TUF X299 Mark 1 $331.32
TUF X299 Mark 2 $258.23

Designed for 7th generation LGA2066 socket Intel Core X-Series processors to maximize connectivity and speed with onboard dual M.2, front panel USB 3.1, gigabit LAN, Intel VROC, and Intel Optane Memory compatibility
5-Way Optimization with Auto-Tuning and FanXpert 4 automatically tailors overclocking profiles to your unique build for maximum OC performance and 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
Industry-leading 8-channel HD audio enhanced by ASUS exclusive Realtek S1220A featuring Crystal Sound 3 and driven by Japanese capacitors for warm, immersive sound

Specs Overview

Model Prime X299-A
Socket LGA2066
Form factor ATX
Chipset Intel X299
Supported Memory DDR4:
2133Mhz 2400Mhz 2666Mhz 3600Mhz 4000Mhz
SLI Support
CrossFire Support
RAID Support
Onboard USB 3.0
SATA 3 Gbps Ports 0
SATA 6 Gbps Ports 7
SATA Express Ports 0
M.2 Ports 2
mSATA Slots 0
RAM Slots 8
Maximum Supported RAM 128GB

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  • 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™ X-series Processors (6-core above)
    8 x DIMM, Max. 128GB, DDR4 4000(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 4000(O.C.)/3600(O.C.)/2666/2400/2133 MHz Non-ECC, Un-buffered Memory 
    * 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

    44-Lane CPU-
    3 x PCIe 3.0/2.0 x16 (x16, x16/x16, x16/x16/x8) 
    2 x PCIe 3.0 x4 (max at x4 mode) *1
    1 x PCIe 3.0/2.0 x1 *3
    28-Lane CPU-
    3 x PCIe 3.0/2.0 x16 (x16, x16/x8, x16/x8/x1) *4
    2 x PCIe 3.0 x4 (max at x4 mode) *1
    1 x PCIe 3.0/2.0 x1 *3
    16-Lane CPU-
    3 x PCIe 3.0/2.0 x16 (x16, x8/x8, x8/x8/x1) *4
    2 x PCIe 3.0 x4 (max at x4 mode) *1
    1 x PCIe 3.0/2.0 x1 *3
    1 x PCIe 3.0/2.0 x1 (x1 mode)

  • Storage

    Intel® X299 Chipset : 
    1 x M.2 x4 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)
    1 x M.2 x4 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)
    8 x SATA 6Gb/s port(s)
    Support Raid 0, 1, 5, 10
    Supports Intel® Smart Response Technology, Intel Rapid Start Technology
    Intel® Optane™ Memory Ready

  • LAN

    Intel® I219V, 1 x Gigabit LAN Controller(s), featuring Turbo LAN
    ASUS Turbo LAN Utility
    ASUS LAN Guard

  • Audio

    Realtek® ALC S1220A 8-Channel High Definition Audio CODEC 
    - 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 Connect
    - DTS Headphone:X 
    - 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
    - EMI protection cover to prevent electrical noise to affect the amplifier quality
    Separate layer for left and right track, ensuring both sound deliver equal quality

  • USB Ports

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

  • Special Features

    OC Design - ASUS PRO Clock II Technology
    ASUS Dual Intelligent Processors 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
    AURA :
    - Aura RGB Strip Headers
    - Aura Lighting Effects Synchronization with compatible ASUS ROG devices
    ASUS Exclusive Features :
    - USB BIOS Flashback
    - MemOK!
    - AI Suite 3
    - Ai Charger 
    - Onboard Button : Power
    - ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface 
    - Turbo LAN
    - Crystal Sound 3
    File Transfer
    - Cloud GO!
    - File Transfer
    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, HDD LED)
    - ASUS Q-Slot
    - ASUS Q-DIMM 
    - ASUS Q-Connector
    Gaming Aesthetics :
    - 3D printing friendly
    - AURA-RGB Lighting
    M.2 Onboard(The latest transfer technologies with up to 32Gb/s data transfer speeds)

  • Back I/O Ports

    1 x LAN (RJ45) port(s)
    2 x USB 3.1 Gen 2 Type-A + USB Type-CTM
    4 x USB 3.1 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)

  • Internal I/O Ports

    1 x AAFP connector
    2 x Aura RGB Strip Header
    2 x USB 3.1 Gen 1 connector(s) support(s) additional 4 USB 3.1 Gen 1 port(s) 
    1 x USB 2.0 connector(s) support(s) additional 2 USB 2.0 port(s)
    1 x M.2 Socket 3 with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)
    1 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 AIO_PUMP connector 
    1 x W_PUMP+ connector 
    1 x Thunderbolt header(s)
    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)
    1 x System panel(s) (Q-Connector)
    1 x 5-pin EXT_FAN(Extension Fan) connector
    1 x MemOK! button(s)
    1 x Thermal sensor connector(s)
    1 x Power-on button(s)
    1 x Clear CMOS jumper(s)
    1 x USB 3.1 Gen 2 front panel connector
    1 x CPU_OV jumper

  • Accessories

    User's manual
    ASUS Q-Shield
    1 x Vertical M.2 bracket set
    4 x SATA 6Gb/s cable(s)
    1 x M.2 Screw Package
    1 x Supporting DVD
    1 x SLI HB BRIDGE(2-WAY-M)
    1 x Q-Connector

  • BIOS

    128 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI3.0, WfM2.0, SM BIOS 3.0, ACPI 6.0, 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

  • 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. PCIEX4_1 max. at x1 mode, PCIEX4_2 max. at x4 mode
    2. SATA6G_5/6/7/8 share bandwidth with PCIEX4_2.
    3. PCIEX1_1 shares bandwidth with Front USB 3.1 GEN 2
    4. PCIEX16_3 share bandwidth with PCIEX4_1 when using x28 or x16 lane CPU

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