Entry by Carlos S. M.
AsRock Fatal1ty Z77 Professional

AsRock Fatal1ty Z77 Professional Revision G/A 1.05


CPU support

Supported sockets:
  • LGA1155
Supported architectures:
  • Intel Celeron Ivy Bridge
  • Intel Celeron Sandy Bridge
  • Intel Core i3 Ivy Bridge
  • Intel Core i3 Sandy Bridge
  • Intel Core i5 Ivy Bridge
  • Intel Core i5 Sandy Bridge
  • Intel Core i7 Ivy Bridge
  • Intel Core i7 Sandy Bridge
  • Intel Pentium Ivy Bridge
  • Intel Pentium Sandy Bridge
  • Intel Xeon E3 Ivy Bridge
  • Intel Xeon E3 Sandy Bridge
Note! Some steppings might require updated BIOS/microcode to work properly.

System memory

  • Type: DDR3 1066/1333/1600 MHz
    2 memory channels on 4x 240-pin DIMM
    ECC memory is optional
Max supported: 32.00 GB


Southbridge/ICH/PCH/MCP: Intel Z77
SuperIO: Nuvoton NCT6776D
CPU dependant integrated graphics, with max 1760 MB of System VRAM
Realtek ALC898 audio IC over HD Audio bus
Broadcom BCM57781 for 1G operation

Power supply

Main board power: 24-pin ATX
CPU power: 8-pin EPS
4 3-pin DC fan headers
2 4-pin PWM fan headers

Expansion slots

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

Rear I/O ports

PS/2 mouse+keyboard combo
6x USB 2.0 (480 Mb/s)
6x USB 3.0 (5 Gb/s)
1x Firewire 400
1x eSATA
2x RJ-45
HDMI output
DisplayPort output
Audio connectors: Line out, Line in, S/PDIF Optical out, Microphone in

Internal I/O headers

4x USB 2.0 (480 Mb/s)
1x USB 3.x (5+ Gb/s)
1x Firewire 400
1x RS232 serial
Audio headers: CD in, S/PDIF
Header for front HD Audio
IrDA header


1 IDE channel, up to 133 MB/s
4 SATA-II (3 Gb/s) ports
6 SATA-III (6 Gb/s) ports
SATA RAID supported

Circuit board

ATX form factor


The bottom PCIe 16x slot is electrically only 4x.
4 SATA 6 Gbps ports are provided by a dedicated ASMedia AS1061 controller. 4 rear USB 3.0 ports are provided by a dedicated Etron EJ188H controller.




BIOS image

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The info you find here might not be 100% correct. This is due to a couple of reasons:
  • I'm an idiot and I misread/misspelled something
  • I have a different board revision from yours
  • The production date/plant is different and they might have used slightly different components
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