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Intel DP55KG Extreme Series Desktop Motherboard (P55 ATX Core i7 Core i5 LGA1156)

by Intel
3.9 out of 5 stars 32 customer reviews
| 6 answered questions

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  • Supports the Intel Core i7 and Intel Core i5 processors in the LGA1156 package
  • New Intel P55 Express Chipset in a single chipset design (PCH)
  • Consumer infrared transmitter and receiver header
  • Exclusive voltage regulator thermal solutions provide reliable and silent cooling for extreme performance tuning.
  • Exclusive Intel Fault-Tolerant BIOS virtually eliminates downtime due to corrupted BIOS
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Product Description

Product Description

Intel BOXDP55KG LGA1156/Intel P55/DDR3/SLI&CrossFirex/A&GbE/ATX Motherboard, Retail

From the Manufacturer

Compatible with Intel's Core i7-800 and i5-700 series processors, the Extreme Series Desktop Board DP55KG is an ideal motherboard for enthusiasts looking to build a cutting-edge PC without breaking the bank. Based on the P55 chipset, the DP55KG supports all processors with LGA1156 sockets, and fully supports ATI CrossFire and NVIDIA SLI technology. The DP55KG is an ATX form factor board and measures 12 by 9.6 inches. It is packed with enough PCI connectors, DDR3 memory sockets, and peripheral ports to satisfy the most demanding users.

Desktop Board DP55KG

Form Factor: ATX

Compatible Processors: Core i7-870, Core i7-860, Core i5-750

Memory: Four 240-pin DDR3 SDRAM DIMM sockets (support for DDR3 1600/1333/1066 MHz DIMMs)

The DP55KG supports processors with LGA1156 sockets. View detailed schematic.

Unleash the power of Intel Core i7-800 and Core i5-700 series processors with the DP55KG. View larger.
Unleash the Power of Intel Core i7 and Core i5 Series Processors
With the Intel Core i7-800 and i5-700 processors, Intel engineers introduced a revolutionary new style of micro-architecture. They removed the front side bus -- a longtime staple of processor design -- and replaced it with a new interconnect technology known as Direct Media Interface (DMI). As a result of these changes, only motherboards with the new LGA1156 socket can support Core i7 processors.

The DP55KG features the LGA1156 socket and is specifically designed to make the most of the Intel Core i7 processor's power. It incorporates special over-clocking hardware, which allows users to push their computer's performance to its limit. However, please note that the LGA1156 socket is only compatible with Core i7-800 and Core i5-700 series processors. Those with the Core i7-900 series processors should instead purchase a motherboard that features the LGA1366 socket (such as the Intel DX58SO).

Optimize Performance with Intel Desktop Control Center
The Intel Desktop Control Center makes it easy for you to do more with your desktop board than ever before. With just one click of a button, this tool automatically tunes the processor, memory, and bus speed for maximum stability and performance. The Desktop Control Center also lets you monitor your system temperature while giving you control over voltages and fan speeds.

Multi-GPU Support for Ultimate Graphical Performance
The DP55KG fully supports NVIDIA SLI and ATI CrossFire technologies, which allow users to utilize two graphics cards and increase the GPU output. This added graphical power eliminates frame-rate hiccups and slowdowns, delivering the smooth and uninterrupted gaming experience users have always wanted.

Loaded with Memory, PCI, and Peripheral Support
With dozens of ports and connectors, the DP55KG gives computer enthusiasts the flexibility they need to build their dream machine. It offers support for 1600 MHz, 1333 MHz, and 1066 MHz variants of DDR3 memory. With four DDR3 SDRAM DIMM sockets, the DP55KG can accommodate up to 16 GB of system memory -- an invaluable resource for heavy multitaskers.

The DP55KG also features enough ports to interface with all of your computer accessories and gadgetry. It has 13 USB 2.0 ports (8 external ports, 1 onboard, 2 internal headers), and eight serial ATA 3.0 Gbit/s ports including two eSATA ports with RAID support. With two IEEE-1394a ports, the DP55KG is equipped to handle all of your audio/video transfer needs. A Consumer IR receiver and emitter are also included, along with a Bluetooth module for all your wireless needs.

For more advanced computer expansion, the DP55KG also features seven PCI connectors, including two PCIe 2.0 x16 bus add-in card connectors for graphics cards, two PCI conventional connectors, two PCIe 2.0 x1 connectors, and one PCIe 2.0 x4 connector.

Integrated High-Definition Audio and High-Speed Ethernet
Whether playing MP3s or immersing yourself in game sound effects (SFX), you can expect crisp sound from the DP55KG. It features a 10-Channel Dolby 7.1 audio subsystem, which means you won't have to spend extra money on a dedicated sound card for top-quality audio playback. The motherboard also includes five analog audio outputs and two S/PDIF digital audio outputs (coaxial and optical) with Realtek ALC889, so you can use your favorite speakers.

A Gigabit (10/100/1000 Mbps) Ethernet connection is also included for high-speed connections to the Internet.

The Intel Desktop Control Center easily lets you optimize your system for maximum performance.

Product Details

  • Product Dimensions: 12 x 9.6 x 3 inches ; 3.5 pounds
  • Shipping Weight: 2.8 pounds
  • Domestic Shipping: This item can only be shipped to the 48 contiguous states. We regret it cannot be shipped to APO/FPO, Hawaii, Alaska, or Puerto Rico.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B002N2Z0JY
  • Item model number: BOXDP55KG
  • Average Customer Review: 3.9 out of 5 stars  See all reviews (32 customer reviews)
  • Amazon Best Sellers Rank:
  • Product Warranty: For warranty information about this product, please click here
  • Date first available at September 8, 2009

Customer Reviews

Top Customer Reviews

Verified Purchase
I decided to build a computer after a 10 year hiatus.

I chose this motherboard, 4gb (2x2g)Corsair XMS 3 1600mhz ram,the new unlocked Intel i-875K processor cooled by a Corsair Hydro H50. Also went with Ultra X4 750 watt modular Power Supply, Hitachi 1gb 7200rpm Sata HD, Lite-On 24x DVD+RW, the LEXA S Case, and the EVGA GTX480 video card, and Asus XONAR Essence ST Soundcard. I have a 30 inch Dell 3008WFP Monitor, Apple Blue-tooth Wireless Keyboard and Logitech Performance Mouse MX to complete out my build. I am running Windows 7 Professional 64bit 1 user OEM.

It took me most of a Friday night to get this built. Mostly because the back plate of the Cooler doesn't fit correctly, I had to live with some bow in the back plate to get the 4th screw in. But all and all not too bad. It booted fine the first time. I didn't realize you can't use a Blue-tooth Keyboard at first so I had to grab an older cordless usb Microsoft one to actually set up Windows. The motherboard lined us great with my case and the SATA Cables and many of the other cables were able to route behind the motherboard through rubberized holes in the case. I had no issues installing the motherboard at all, just fine, and well laid out to plug in 4 fans, a water cooler, sata plugs, case front panel wires, power wires, etc. A+++

I didn't know how to overclock anymore after 10 years. So I read some stuff googling and wasn't sure and instead just used the Intel Desktop Control Panel to experiment. I ended up setting the Ram to 1600mhz and only changing the multiplier to 29x in quad config, 30 in three, and 31 in 2 and single core. I get a score of about 9,000 on CPU Mark. That was all I needed to do, no changing voltages or any of the rest of it.
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I bought this motherboard for a high performance system I was building. The instructions were straight forward, clear, big, and colorful. The installation was fairly easy and in about ten minutes, the board was mounted to my NXZT Phantom "white" case.

Here are the specs of the computer:
Intel Core i7 860 Processor
Intel DP55KG Motherboard
Intel SSD X25-V 40GB (operating system drive)
Western Digital 1TB Black Edition Hard Drive (applications drive)
Nvidia GTS 250 GDDR3 1024GB Graphic Card
Lite-On Blu-Ray Optical Drive
LG DVD+-RW Optical Drive
Corsair 4GB (2x2GB) DDR4 10666
OCZ 700 Watt. Power Supply

Microsoft Windows 7 Ultimate
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Verified Purchase
This motherboard was a big letdown for me out of the box. I bought it to supplement a new LAN rig I built, and right from the get-go, there were problems. Admittedly, the first few weren't entirely the board's fault (heatsink wouldn't sit properly, though it was aftermarket which didn't help. Also, the memory bus that it supports is a paltry 1333MHz, so when I bought a higher-speed DDR3 RAM, the board couldn't take it).

Hardware problems aside, this board's MASSIVE, GLARING flaw is in the fact that its network adapter doesn't actually come with installed drivers, nor do they come on the driver disk. That's right, you have to use a separate computer to download the drivers, then switch over to your motherboard (you need the OS installed to do this, by the way) and install them. So that's a pain in the tuckus if there ever was one. I'm not sure if other people have had this issue, but on my particular board, after every restart, the drivers get erased and must then be reinstalled. That means each time I turn the dang thing off, I need to reinstall the drivers.

Now, for the good parts though. This thing is a MONSTER when it is working. I've got a 2.8Ghz i7 being overclocked to 3.47Ghz, and this thing still runs like a beauty. It has onboard RAID support (though you need to configure that in the BIOS before you install the OS: just switch the drive settings around). The RAID program that comes included with the board drivers is simple and works wonders. Also, the Intel DCC, which lets you view information about your processor and memory chips, as well as overclock and tweak all of your chips right from the desktop, looks really snazzy and works like a charm.
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Verified Purchase
I have only had this board running for a few weeks so I can't comment on it's reliability. The board was easy to install in an Antec Sonata case. The construction seems solid. I installed a i5-750 processor , 4 GB of Kingston ram and an ATI Radeon Video Card. The system fired up without a glitch. I loaded a Debian Linux operating system on with two problems. The sound didn't seem to work and the OS couldn't find the network interface. The first problem was solved by turning up the PCM (Pulse Code Modulation) level on the sound mixer. This is just something to remember since it took a while to find. I solved the second problem by putting in an inexpensive above board PCI bussed NIC. The root problem is still unsolved. The operating system just won't find the chip set. Users of Windoz probably won't be bothered by this glitch. The system is really really fast. It's about 15 times faster than my old one. A real pleasure to use. The board will take up to 16 GB of ram has ports to burn, has an advance surround sound audio system, a GB network interface (if you can get it to work). Check the specs for memory and compatible processors with the Intel site before purchase. From some peoples complaints, it's obvious they didn't. Don't forget this is a PCIe buss board not PCI although there are two older PCI connectors on the board.
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