Supports 2nd & 3rd Generation LGA1155 Intel® Core™ Processors
Once again with the introduction of the Intel® Desktop Board DZ77BH-55K Intel is offering an ideal board for gamers, overclockers, and media enthusiasts alike. In combination with the new Intel® Visual BIOS, this board will surely satisfy all of the needs of the performance enthusiasts. As a member of the newly introduced K Series Intel® Desktop Boards, the DZ77BH-55K is optimized to take full advantage of the Intel® K processors.
The combination of very sophisticated board hardware design and ease of performance tuning and overclocking of the Core, Graphics, and memory offered by the Intel® Visual BIOS make the DZ77BH-55K an ideal board for the Intel® K processors.
Power and Responsiveness for the Hottest New Games
The advanced power and overclocking capabilities of this DZ77BH-55K board coupled with the dramatic responsiveness improvements delivered by the Intel® Smart Response Technology provide the board of choice for gamers and media creation enthusiasts alike. Intel Smart Response Technology provides SSD like performance and up to 50% improvement in responsiveness as compared to an HDD only system. The Intel® Desktop Board DZ77BH-55K also includes other new responsiveness technologies such as Intel® Rapid Start Technology which allow the user to quickly resume the system from sleep and standby modes.
Intel® Visual BioS Advanced Overclocking
The new Intel® Visual BIOS offers graphical interface and animated controls which allow you to configure settings faster and take full advantage of your Intel® K processors. Intel® Visual BIOS allows easy overclocking of Core, Graphics, and Memory. Intel Visual BIOS operates by your choice of touch screen, keys, or mouse. All controls are literally at your fingertips, in a format you can visualize. When your quest for ultimate performance takes you to extremes, choose the Intel® Desktop Board DZ77BH-55K here and Intel® Visual BIOS.

Lucid Virtu Universal Software
Delivers the best of the both worlds when it comes to media processing and gaming 3D performance. Enjoy the 3D performance of add-in graphics cards while taking advantage of the best-in-class media processing power to Intel® Core™ processors and Intel QuickSynch Video.
AC Power Monitoring
Constant monitoring against power supply failure, current surges, and over-current conditions ensures system integrity and increases longevity. In the event of power spikes or power droops, the power supervisor automatically shuts off the power.
| CPU Support | Optimized for Intel® -K processors. Supports 2nd and 3rd Generation Intel® Core™, and other Intel® processors in the LGA1155 package |
|---|---|
| Socket | LGA 1155 |
| Chipset | Intel® Z77 PCH |
| Form Factor | ATX; 295 x 244mm (11.6 x 9.6") |
| Memory | 32GB Max (4 x 8GB), DDR3 Unbuffered 1600MHz or higher Recommended 2 Dual Channel Memory Lanes Memory Voltage control from 1.2 ~ 1.8Vdc 1.5Vdc standard JEDEC voltage |
| Integrated Graphics | HDMI and DisplayPort Video Outputs for use with Intel® CPUs supporting Intel® HD Integrated Graphics |
| Multi-Graphics Technology | Supports 2 way NVIDIA SLI or ATI CrossFireX with 2 PCIe x16 Slots (running at 8x each) |
| Expansion Slots | 2 x PCIe x16 ver.2.x 3 x PCIe x1 ver.2.x 2 x PCI |
| Storage | 4 x SATA III 6Gb/s ports 2 x SATA II 3Gb/s ports 1 x eSATA external port Supports RAID 0, 1, 5 and 10 |
| LAN | 1 x Intel 1000/100/10 Gigabit LAN |
| Bluetooth / Wireless | Not Included |
| Audio | Back: 7.1 Audio via 3.5mm Jacks and S/PDIF Out Front: 2.0 HD Audio Support |
| IRDA | 1 x Consumer InfraRed Header |
| USB | 6 x USB 3.0 (2 at back panel, blue, 4 at mid-board) 10 x USB 2.0 (4 at back panel, black, 6 at mid-board) |
| Firewire | 2 x IEEE1394a (1 at back panel, 1 at mid-board) |
| PS/2 | 1 x PS/2 Connector |
| BIOS | 32 MB Flash EEPROM with Intel® Platform Innovation Framework for EFI Plug and Play Advanced configuration and power interface V3.0b, SMBIOS2.5 Intel® Express BIOS update support |
| Back Panel I/O Ports | 1 x Gigabit LAN (RJ45) port 2 x USB 3.0 4 x USB 2.0 1 x eSATA 1 x IEEE1394a 1 x HDMI 1 x DisplayPort 1 x Optical S/PDIF out 5 x 3.5mm Audio Jack(s) 1 x PS/2 Keyboard/Mouse Connector |
| Internal I/O Connectors | N/A |
| Temperature | Operating: 0 ~ 55° C (32 ~ 131° F) Storage: -20 ~ 70° C (-4 ~ 158° F) |
| Dimensions (LxW) | 295 x 244mm (11.6 x 9.6") |
| Weight | N/A |