Asus Prime X299-Deluxe II X299 Motherboard LGA2066 (Intel Core X-Series) ATX DDR4 M.2 U.2 Thunderbolt 3 USB 3.1 with Dual Gigabit LAN and 802.11AC WiFi

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  • LGA2066 socket Intel Core X-Series processors Triple M.2, front panel USB 3.1 Gen2, onboard 802.11AC Wi-Fi and 5G LAN, Intel VROC and Intel Optane Memory compatibility
  • 5-Way Optimization with Auto-Tuning and FanXpert4 automatically tailors overclocking profiles to your unique build for maximum OC performance and dynamic system cooling
  • Patent-pending Safe Slot features an injection molding process that integrates metal framing for a stronger, firmly anchored PCIe slot built for heavyweight GPU
  • Unmatched Personalization with ASUS exclusive AURA Sync RGB lighting and livedash OLED TO give you the option to display system stats or custom graphics
  • Pre-mounted IO Shield reduces installation time and increases contact with ports for improved connectivity

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  • $502.78


Prime X299-Deluxe II

Supported CPU

CPU Socket Type
LGA 2066
CPU Type
Intel Core X-Series Processors Family (6-core above) on LGA 2066 Socket*
* Refer to for Intel CPU support list.
Supported CPU Technologies
Supports Intel Turbo Boost Max Technology 3.0*
* The support of these features depends on the CPU types.


Intel X299


Number of Memory Slots
Memory Standard
4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3600(O.C.)*/ 3400(O.C.)*/ 3333(O.C.)*/ 3300(O.C.)*/ 3200(O.C.)*/ 3000(O.C.)*/ 2800(O.C.)*/ 2666 
* Hyper DIMM support is subject to the physical characteristics of individual CPUs.
Maximum Memory Supported
Channel Supported
Quad Channel

Expansion Slots

PCI Express 3.0 x16
44-Lane CPU (18-core, 12-core & 10-core CPU):
3 x PCI Express 3.0/2.0 x16 slots (single@x16, dual@x16/x16, triple@x16/x16/x8 mode)

28-Lane CPU (6-core & 8-core CPU):
2 x PCI Express 3.0/2.0 x16 slots (single@x16, dual@x16/x8 mode)
1 x PCI Express 3.0/2.0 x16 slots (PCIEX16_3 max. at x2 mode)*

* PCIEX16_3 shares bandwidth with SATA6G_5 & STATA6G_6 when using 28-lane CPU.
PCI Express x1
2 x PCI Express 3.0/2.0 x1 slots (compatible with PCIe x1 devices)*

* PCIEX1_1 shares bandwidth with USB 3.1 Gen 2 front panel connector (U31G2_E1). It is disabled by default. 
* PCIEX1_2 shares bandwidth with SATA6G_7.

Storage Devices

SATA 6Gb/s
8 x SATA 6.0Gb/s ports*
* The SATA6G_7 shares bandwidth with PCIEX1_2. 
* SATA6G_5 & SATA6G_6 shares bandwidth with PCIEX16_3 when using 28-lane CPU.
Intel Core X-Series Processors support with Intel Rapid Storage Enterprise Technology:
1 x M.2_3 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x4 mode)
Intel X299 Chipset with RAID 0, 1, 5, 10 and Intel Rapid Storage Technology support:
1 x M.2_1 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (both SATA & PCIE 3.0 x4 mode)
1 x M.2_2 Socket 3 with vertical M Key, type 2242/2260/2280/22110 (Support PCIe storage device only)
Intel Optane Ready

Onboard Audio

Audio Chipset
Realtek S1220A
Audio Channels
8 Channels
* Due to limitations in HDA bandwidth, 32-Bit / 192 kHz is not supported for 8-Channel audio. 32-Bit / 192 kHz is only available under Windows 10.

Onboard LAN

LAN Chipset
Aquantia AQC-111C
Second LAN Chipset
Intel I219V
Max LAN Speed
5Gbps + 10/100/1000Mbps
Wireless LAN
Intel Wireless-AC 9260
2x2 MU-MIMO 802.11 a/b/g/n/ac support dual frequency band 2.4/5 GHz
Supports channel bandwidth: HT20/HT40/HT80/HT160
Bluetooth V5.0

Rear Panel Ports

1 x Aquantia 5G LAN port (blue)
1 x Intel LAN (RJ45) port (black)
2 x DisplayPort IN ports for Thunderbolt 3
Thunderbolt Ports
2 x Intel Thunderbolt ports (USB Type-C)
USB 3.1
4 x USB 3.0 Gen 1 ports
USB 1.1/2.0
2 x USB 2.0
1 x Optical
Audio Ports
5 Ports
Antenna Connectors
1 x ASUS Wi-Fi 802.11 a/b/g/n/ac module

Internal I/O Connectors

Onboard USB
1 x USB 3.1 Gen 2 front panel connector
2 x USB 3.0 Gen 1 connectors support additional 4 USB ports (19-pin)
1 x USB 2.0 connectors support additional 2 USB ports
Other Connectors
1 x 4-pin W_PUMP+ connector
1 x 4-pin AIO_PUMP fan connector
1 x 4-pin CPU Fan connector
1 x 4-pin CPU_OPT fan connector
2 x 4-pin Chassis Fan connectors
1 x 4-pin M.2 Fan connector
1 x 2-pin Thermal sensor header
1 x NODE connector supports FAN Extension Card II
2 x RGB headers
1 x Addressable header
1 x Front panel audio connector (AAFP)
1 x System Panel connector (Q-Connector)
1 x 3-pin CPU_OV header
1 x Q_Code
1 x MemOK!_II Switch
1 x Clear CMOS button
1 x BIOS Flashback button
1 x Power-on button
1 x Reset button

Physical Spec

Form Factor
LED Lighting
Dimensions (W x L)
12.0" x 9.6"
Power Pin
1 x 24-pin EATX Power connector
2 x 8-pin EATX 12V Power connector


Multi-GPU support:
Supports NVIDIA 2-Way & 3-Way/Quad-GPU SLI Technology
Supports AMD 2-Way & 3-Way/Quad-GPU CrossFireX Technology* 
* This support depends on the CPU types and VGA cards

2 inch OLED panel for system information

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
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 DIGI+ VRM: 12 power stages design
- ASUS Enhanced DRAM Overcurrent Protection - Short circuit damage prevention
- ASUS ESD Guards - Enhanced ESD protection
2" LiveDash
- Aura RGB Strip Headers
- Aura Lighting Effects Synchronization with compatible ASUS ROG devices
- Aura Addressable Strip Header(s)
ASUS Exclusive Features:
- USB BIOS Flashback
- MemOK! II
- AI Suite 3
- Ai Charger
- Onboard Button: Power/Reset
- ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface
- Turbo LAN
- Pre-mounted I/O shield
- ASUS NODE: hardware control interface
ASUS Quiet Thermal Solution:
- Stylish Design Heat-pipe solution
- Stylish Fanless Design with M.2 Heat-sink solution
ASUS Q-Design:
- ASUS Q-Code
- ASUS Q-Slot
- ASUS Q-Connector
DIY Friendly Design
- Procool
- SafeSlot
- Auto download driver and software. Friendly for first PC builder

WfM 2.0, DMI 3.0, WOL by PME, PXE

Support DVD:
ASUS Utilities
EZ Update 
Anti-virus software (OEM version)

Operating System Support:
Windows 10 64-bit


Package Contents
Fan Extension Card II:
1 x Fan Extension Card II (6 x 4-pin Chassis Fan connectors, 3 x RGB headers, 3 x 2-pin Thermal sensor header)
1 x Fan Extension Card II power cable
1 x Fan Extension Card II NODE connector cable
1 x Fan Extension Card II screw package
3 x Thermistor cables
1 x DP to DP cable for Thunderbolt 3
1 x ASUS 2T2R dual band Wi-Fi moving antennas (Wi-Fi 802.11 a/b/g/n/ac compliant)
1 x M.2 Screw Package
1 x M.2 vertical bracket
1 x FAN holder
1 x Q-connector
1 x Addressable LED extension cable
1 x Supporting DVD
1 x User's manual
6 x Serial ATA 6.0Gb/s cables
  • Chipset
    Intel X299
  • CPU Socket Type
    LGA 2066
  • Form Factor
  • Price Range
    200 BHD - 250 BHD
  • Manufacturer
  • Weight
    2.4947 kg
  • SKU
    Asus PRIME X299-DELUXE ll

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