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Key Features

  • ASUS PRIME X299-A ATX Motherboard
  • Supports latest socket 2066 Core™ X-Series Processors
  • 4 DIMM slots for up to 64 GB (with 4-core processors) and 8 DIMM slots for up to 128GB (with 6-cores or above) of DDR4-2666 RAM
  • 6 USB 3.1, 2 USB 2.0, USB-C, 1 LAN port, 1 Optical out, 5 audio jacks and 1 USB BIOS flashback button on rear panel, with more internal
  • 8 Channel HD Audio
  • Gigabit Ethernet
  • 2 Onboard M.2 Sockets
  • This board has no onboard video so a graphics card will be required.
Price: $399.00
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The ASUS Prime X299-A ATX motherboard had been expertly engineered for professional content creators and power users who work hard by day and play harder by night. 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, and Intel® Optane™ Memory compatibility. This powerful, innovative board puts a friendly face on advanced enthusiast controls, enabling you to maximize performance, cooling, and personalization with ease. 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. So, if you live to create, to explore, to enjoy and to push the boundaries, look no further than Prime X299-A.


Key Details
Manufacturer Asus
Mfr Part No PRIME X299-A
Board Class Desktop
Board Form Factor ATX
CPU Socket FCLGA2066
Physical Dimensions
Depth 12 in
Width 9.6 in
Weight lbs
Memory Specs
Memory Max Voltage Supported 1.35 V
Max Memory Supported 128 GB
Memory Speed Supported DDR4-2133
Memory Socket Type 288-pin DIMM
Memory Sockets 8
ECC Memory Supported No
Memory Channels 4
Expansion Slots
PCIe x1 Slots 1
PCIe x4 Slots 2
PCIe x16 Slots 3
IO Details
Total USB Ports 17
USB Ports on Rear Panel 8
IO Details
USB 3.0 Ports 6
Total SATA Ports 8
SATA 6.0 Gb/s Ports 8
M.2 Sockets 2
M.2 Socket Keying M Key
RAID Levels 0
LAN Ports 1
LAN Bandwidth Gigabit Ethernet
Audio Ports 5 Analog Jacks
S/PDIF Optical
HD Audio Yes
Audio Channels 8
Integrated Graphics No
Requires CPU with Graphics No
Board Power Connector 24-Pin ATX
Board Auxiliary Power 8-Pin 12V