ASUS PRIME X299-A LGA2066 DDR4 M.2 USB 3.1 ATX Motherboard

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  • 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. Aura Sync: Controllable onboard RGB lighting that’s easily synced with an ever-growing portfolio of Aura-capable hardware
  • 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

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  Prime X299-Deluxe Prime X299-A STRIX X299-E Gaming TUF Mark I TUF Mark II
Chipset Intel X299 Intel X299 Intel X299 Intel X299 Intel X299
Form Factor ATX Form Factor ATX Form Factor ATX Form Factor ATX Form Factor ATX Form Factor
Memory Slot 8 x DIMM, Max. 128GB, DDR4 8 x DIMM, Max. 128GB, DDR4 8 x DIMM, Max. 128GB, DDR4 8 x DIMM, Max. 128GB, DDR4 8 x DIMM, Max. 128GB, DDR4
Maximum Capacity 3600MHz OC 3600MHz OC 3600MHz OC 3600MHz OC 3600MHz OC
PCIe 3.0 x16 3x PCIe 3.0 x16 SafeSlots (supports triple @ x16/x16/x8); 1x PCIe 3.0 x16 (compatible with PCIe x1 and x4 devices); 2x PCIe 3.0 x1 3x PCIe 3.0 x16 SafeSlots (supports triple @ x16/x16/x8); 2x PCIe 3.0 x4; 1x PCIe 3.0 x1 3x PCIe 3.0 x16 SafeSlots (supports triple @ x16/x16/x8); 1x PCIe 3.0 x4; 2x PCIe 3.0 x1 3x PCIe 3.0 x16 SafeSlots (supports triple @ x16/x16/x8); 2 x PCIe 3.0 x4 3x PCIe 3.0 x16 SafeSlots (supports triple @ x16/x16/x8); 1x PCIe 3.0 x4; 2x PCIe 3.0 x1
M.2 Dual M.2 Support Dual M.2 Support Dual M.2 Support Dual M.2 Support Dual M.2 Support
USB 3.1 3x USB 3.1 Gen 2 Type A; 1x USB 3.1 Gen 2 Type C 1x USB 3.1 Gen 2 Type A; 1x USB 3.1 Gen 2 Type C 1x USB 3.1 Gen 2 Type A; 1x USB 3.1 Gen 2 Type C 1x USB 3.1 Gen 2 Type A; 1x USB 3.1 Gen 2 Type C 2x USB 3.1 Gen 2 Type A
Thunderbolt 3 Yes, ThunderboltEX 3 card included Yes, with add on PCI card Yes, with add on PCI card Yes, with add on PCI card Yes, with add on PCI card
Wifi 802.11AD WiGig; 802.11AC MU-MIMO No 802.11AC MU-MIMO No No
ASUS Aura Sync RGB Lighting Yes Yes Yes Yes Yes
  • Chipset
    Intel X299
  • CPU Socket Type
    LGA 2066
  • Form Factor
    ATX
  • Price Range
    100 BHD - 150 BHD
  • Manufacturer
    Asus
  • Weight
    0.6803 kg
  • SKU
    Asus X299-A

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Model

Brand
ASUS
Model
Prime X299-A

Supported CPU

CPU Socket Type
LGA 2066
CPU Type
Core X series (LGA2066)
Supported CPU Technologies
The Intel Turbo Boost Max Technology 3.0 support depends on the CPU types

Chipsets

Chipset
Intel X299

Onboard Video

Onboard Video Chipset
Supported only by CPU with integrated graphic

Memory

Number of Memory Slots
Core X-series Processors (6-core above): 8 x 288pin
Core X-series Processors (4-core): 4 x 288pin
Memory Standard
DDR4 4000(O.C.)/ 3600(O.C.)/ 2666/ 2400/ 2133
* Hyper DIMM support is subject to the physical characteristics of individual CPUs.
Maximum Memory Supported
Core X-series Processors (6-core above): 128GB
Core X-series Processors (4-core): 64GB

Expansion Slots

PCI Express 3.0 x16
44-Lane CPU-
3 x PCIe 3.0/2.0 x16 (x16, x16/x16, x16/x16/x8)
28-Lane CPU-
3 x PCIe 3.0/2.0 x16 (x16, x16/x8, x16/x8/x1)
16-Lane CPU-
3 x PCIe 3.0/2.0 x16 (x16, x8/x8, x8/x8/x1)
PCI Express x4
2 x PCIe 3.0 x4 (max at x4 mode) *1
*1. PCIEX4_1 max. at x1 mode, PCIEX4_2 max. at x4 mode
PCI Express x1
16-Lane CPU-
1 x PCIe 3.0/2.0 x1 (x1 mode)

Storage Devices

SATA 6Gb/s
8 x SATA 6Gb/s
M.2
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)
SATA RAID
0/1/5/10

Onboard Audio

Audio Chipset
Realtek ALC S1220A
Audio Channels
8 Channels

Onboard LAN

LAN Chipset
Intel I219-V
Max LAN Speed
10/100/1000Mbps

Rear Panel Ports

RJ45
1 x RJ45
USB 3.1
2 x USB 3.1 Gen 2 (Type-A + USB Type-C)
4 x USB 3.1 Gen 1
USB 1.1/2.0
2 x USB 2.0 (one port can be switched to USB BIOS Flashback)
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 2.0 connector(s) support(s) additional 2 USB 2.0 port(s)
1 x USB 3.1 Gen 2 front panel connector
Other Connectors
1 x AAFP connector
2 x Aura RGB Strip Header
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 System panel(s) (Q-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 CPU_OV jumper

Physical Spec

Form Factor
ATX
Dimensions (W x L)
12.0" x 9.6"
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

Special Features:
OC Design - ASUS PRO Clock 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

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)

BIOS:
128MB 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

Packaging

Package Contents
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