Intel DZ77GA70K

Intel® Desktop Board DZ77GA-70K

Processor

At product launch, this Intel® Desktop Board DZ77GA-70K supports:

Intel® Core i7 -K processors series and other processors in an LGA1155 socket
2nd and 3rd Generation Intel® Core i7 processor series in an LGA1155 socket
2nd and 3rd Generation Intel® Core i5 processor series in an LGA1155 socket
2nd and 3rd Generation Intel® Core i3 processor series in an LGA1155 socket

Memory

Four 240-pin DDR3 SDRAM Dual Inline Memory Module (DIMM) sockets
Support for DDR3 1600+ /1333 /1066 MHz DIMMs
Support for up to 32 GB of system memory
Tested system memory

Chipset

Intel® Z77 Express Chipset
Intel® Rapid Storage Technology (Intel® RST) for RAID 0, 1, 5, and 10

Graphics

Intel® HD Graphics, HDMI*
Two PCI Express* 3.0 x16 connectors (one x8 electrical)
Supports ATI CrossFireX* and NVIDIA SLI*

Audio

Intel® High Definition Audio (Intel® HD Audio) subsystem in the following configuration:

10-channel (7.1 + 2 independent multi-streaming) audio subsystem with six analog audio outputs w/optical S/PDIF out port
Supports Dolby* Home Theatre V4

LAN support

Dual Gigabit (10/100/1000 Mb/s) LAN subsystems using the Intel® 82579V Gigabit Ethernet Controller

Peripheral interfaces

Eight SuperSpeed USB 3.0 ports (4 external/4 header)
Ten USB 2.0 ports (4 external (2 Hi-Current/Fast Charging) / 6 internal)
Four Serial ATA 6.0 Gb/s ports, one eSATA 6.0 Gb/s
Four Serial ATA 3.0 Gb/s ports
Two IEEE 1394a ports/headers (1 external/1 header)
Consumer infrared receiver and emitter

Expansion capabilities

Two PCI Express* 3.0 x16 connectors (one x8 electrical)
Two PCI Express 2.0 x 1 connectors
One PCI Express 2.0 x 4 connector
Two PCI Conventional* bus connectors

http://www. intel. com/content/dam/www/public/us/en/documen ts/product-briefs/desktop-board-dz77ga-7 0k-extreme-brief. pdf