Entry by community submission
Asus X99-A

Asus X99-A Revision 1.0


CPU support

Supported sockets:
  • LGA2011
Supported architectures:
  • Intel Core i7 Broadwell-E
  • Intel Core i7 Haswell-E
  • Intel Xeon E5 Broadwell-EP
  • Intel Xeon E5 Haswell-EP
  • Intel Xeon E7 Broadwell-EX
  • Intel Xeon E7 Haswell-EX
Note! Some steppings might require updated BIOS/microcode to work properly.

System memory

  • Type: DDR4 2133/2400/2666/2933*/3000*/3200* MHz
    4 memory channels on 8x 288-pin DIMM
Max supported: 128.00 GB


Southbridge/ICH/PCH/MCP: Intel X99
SuperIO: Nuvoton NCT6796D
Realtek ALC1150 audio IC over HD Audio bus
Intel I218-V for 1G operation

Power supply

Main board power: 24-pin ATX
CPU power: 8-pin EPS
6 4-pin PWM fan headers

Expansion slots

4 PCIe x16 slots
3-way nVidia SLI support
3-way ATi/AMD CrossFire support
2 PCIe x1 slots

Rear I/O ports

PS/2 mouse+keyboard combo
4x USB 2.0 (480 Mb/s)
6x USB 3.0 (5 Gb/s)
1x RJ-45
Audio connectors: Line out, Line in, S/PDIF Optical out, Microphone in

Internal I/O headers

2x USB 2.0 (480 Mb/s)
2x USB 3.x (5+ Gb/s)
1x RS232 serial
Header for front HD Audio


6 SATA-III (6 Gb/s) ports
SATA RAID supported

Circuit board

ATX form factor
PCB manufactured in the year 2017




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