ASRock Z77 Pro4 manual Specifications

1.2 Specifications

Platform	- ATX Form Factor: 12.0-in x 7.9-in, 30.5 cm x 20.1 cm
	- All Solid Capacitor design
CPU	- Supports 3rd and 2nd Generation Intel® CoreTM i7 / i5 / i3 in
	LGA1155 Package
	- Digi Power Design
	- 4 + 2 Power Phase Design
	- Supports Intel® Turbo Boost 2.0 Technology
	- Supports Intel® K-Series unlocked CPU
	- Supports Hyper-Threading Technology (see CAUTION 1)
	- Supports Intel® Rapid Start Technology and Smart Connect
	Technology with Intel® Ivy Bridge CPU
Chipset	- Intel® Z77
Memory	- Dual Channel DDR3 Memory Technology (see CAUTION 2)
	- 4 x DDR3 DIMM slots
	- Supports DDR3 2800+(OC)/2400(OC)/2133(OC)/1866(OC)/
	1600/1333/1066 non-ECC, un-buffered memory
	- Max. capacity of system memory: 32GB (see CAUTION 3)
	- Supports Intel® Extreme Memory Profile (XMP)1.3/1.2
Expansion Slot	- 1 x PCI Express 3.0 x16 slot (PCIE2: x16 mode)
	(see CAUTION 4)
	* PCIE 3.0 is only supported with Intel® Ivy Bridge CPU. With
	Intel® Sandy Bridge CPU, it only supports PCIE 2.0.
	- 1 x PCI Express 2.0 x16 slot (PCIE3: x4 mode)
	- 1 x PCI Express 2.0 x 1 slot
	- 3 x PCI slots
	- Supports AMD Quad CrossFireXTM and CrossFireXTM
Graphics	* Intel® HD Graphics Built-in Visuals and the VGA outputs can
	be supported only with processors which are GPU
	integrated.
	- Supports Intel® HD Graphics Built-in Visuals: Intel® Quick
	Sync Video, Intel® InTruTM 3D, Intel® Clear Video HD
	Technology, Intel® InsiderTM, Intel® HD Graphics 2500/4000,
	Intel® Advanced Vector Extensions (AVX)
	- Pixel Shader 5.0, DirectX 11 with Intel® Ivy Bridge CPU.
	Pixel Shader 4.1, DirectX 10.1 with Intel® Sandy Bridge CPU
	- Max. shared memory 1760MB (see CAUTION 5)
	- Three VGA Output options: D-Sub, DVI-D and HDMI
	(see CAUTION 6)
	- Supports HDMI 1.4a Technology with max. resolution up to

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