Entry by Jam
Intel Extreme Board DZ77GA-70K

Intel Extreme Board DZ77GA-70K


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
Max supported: 32.00 GB
Support for XMP and 1.35V (low voltage) JEDEC memory. DDR3 1600 MHz DIMMs are only supported by 3rd generation Intel Core processor family processors.


Southbridge/ICH/PCH/MCP: Intel Z77
ITE IT8892E PCIe to PCI bridge
Marvel 88SE9172 SATA controller

SuperIO: Winbond W83677HG-I
CPU dependent integrated graphics, with max 1720 MB of System VRAM
Realtek ALC898 audio IC over HD Audio bus
Intel 82579 & Intel 82574 for 1G operation

Power supply

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

Expansion slots

2 PCI slots
2 PCIe x16 slots
2-way nVidia SLI support
2-way ATi/AMD CrossFire support
1 PCIe x4 slot
2 PCIe x1 slots

Rear I/O ports

PS/2 mouse+keyboard combo
4x USB 2.0 (480 Mb/s)
4x USB 3.0 (5 Gb/s)
1x Firewire 800
1x eSATA
2x RJ-45
HDMI output
Audio connectors: Line out, Line in, S/PDIF Optical out, Microphone in

Internal I/O headers

3x USB 2.0 (480 Mb/s)
2x USB 3.x (5+ Gb/s)
1x Firewire 400
Audio headers: S/PDIF
Header for front HD Audio
IrDA header


4 SATA-II (3 Gb/s) ports
4 SATA-III (6 Gb/s) ports
SATA RAID supported

Circuit board

ATX form factor
PCB manufactured in the year 2012




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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