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Item#: N82E16813121060

Intel BLKD975XBX2KR LGA 775 Intel 975X ATX Intel Motherboard - OEM

  • Intel 975X
  • Core 2 Quad / Core 2 Extreme / Core 2 Duo
  • DDR2 800
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It's hard to get excited about a motherboard unless you're into all the little geeky details. Well this one has some nice details to geek out over. An Intel board that runs (naturally!) their Core 2 Extreme and Core 2 Duo processors (along with Pentium EE and Pentium), it sports many of the features you'd like to have in a powerful motherboard.

Like the ability to support up to eight SATA 3 Gb/sec drives and use four of them in Raid configurations (0/1/0+1/5), or three PCI Express x16 slots (one electrically for either x16 or x8 boards, one electrically is for x8 boards, and one electrically is for x4 boards), the ability to work with up to eight GB of DDR2 800 RAM, four rear USB 2.0 ports, a 10/100/1000 Mbit LAN connection, a rear Firewire connection, 8 channel audio with five ports, two S/PDIF output ports (one optical, one coaxial), a Com port, 2 PS/2 ports, a line printer port, plus on-board connectors to allow you to add another four USB 2.0 ports and a Firewire port.

You get a parallel ATA controller to control two devices, and enough cables to get you started: 1 PATA/IDE cable, 1 floppy disk cable, 2 "latching" SATA cables (no more hard drive glitches because you sneezed too hard!), a 24 pin power supply connector, a rear panel shield for your I/O; with Crossfire and Hyperthreading support and a 1066/800 MHz front side buss, this is a solid board that should meet your requirements.

  • newegg Cutting-edge Intel 975X+ICH7R Chipset Combination Supporting Intel's latest dual-core processors, the Intel 975X Express Chipset represents the pinnacle of Intel's desktop performance platforms. The 975X also features advanced 2x8 graphics card support, Intel Memory Pipeline Technology (MPT) and up to 8GB memory with ECC support. The ICH7R provides HD Audio support and SATA 3Gb/s ports with Intel Matrix Storage Technology support.
  • newegg Intel Core 2 Processor Support This motherboard supports the next-generation LGA 775 Intel Core 2 processors, including the Core 2 Duo, Core 2 Quad, and Core 2 Extreme. With new Intel Core microarchitecture technology, the Intel Core 2 processors are considered some of the most powerful and energy efficient CPUs in the world.
  • newegg ATI CrossFire Multi-GPU Technology Support The Intel BLKD975XBX2KR incorporates full support for ATI CrossFire technology – its two PCI Express x16 slots can be configured to dual x8 mode for ATI CrossFire mode, with simple paddle-less mode switching.
  • newegg Serial ATA with RAID The revolutionary Serial ATA interface provides scalable performance for storage devices. SATA technology enables easy-to-install, high-performance and low-power hard drives. Eight SATA ports support RAID 0, 1, 0+1, 5 for better performance and enhanced data security.
  • newegg Gigabit Ethernet Connectivity The Intel BLKD975XBX2KR features a fast Gigabit network interface for high-speed LAN connections at up to 1000Mb/s data transfer rates with advanced security features to ward off malicious attacks. Gigabit LAN is ideal for supercharged seamless streaming of Internet audio and video content.

Learn more about the Intel BLKD975XBX2KR



Supported CPU

CPU Socket Type
LGA 775
CPU Type
Core 2 Quad / Core 2 Extreme / Core 2 Duo
Supported CPU Technologies
Hyper-Threading Technology


Intel 975X
South Bridge
Intel ICH7R


Number of Memory Slots
Memory Standard
DDR2 800
Maximum Memory Supported
Channel Supported
Dual Channel

Expansion Slots

PCI Express x16
3 (1 electrical x16 or x8, 1 electrical x8, 1 electrical x4)
PCI Slots

Storage Devices

1 x ATA100 2 Dev. Max
SATA 3Gb/s

Onboard Video

Onboard Video Chipset

Onboard Audio

Audio Chipset
SigmaTel STAC9271D
Audio Channels
8 Channels

Onboard LAN

LAN Chipset
Intel 82573E
Max LAN Speed

Rear Panel Ports

USB 1.1/2.0
4 x USB 2.0
IEEE 1394
1 x IEEE 1394a
1 x Optical, 1 x Coaxial
Audio Ports
5 Ports

Internal I/O Connectors

Onboard USB
4 x USB 2.0
Onboard 1394
1 x 1394a

Physical Spec

Form Factor
12.0" x 9.6"
Windows Vista
Certified for Windows Vista
Power Pin
24 Pin


Package Contents
Driver Disk
User Manual
Rear I/O Panel Shield
FDD Cable
2 x SATA Cable
4-pin to 8-pin Power Cable

Manufacturer Warranty

2 years limited
2 years limited

Quick Info


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years

Customer Reviews of the Intel BLKD975XBX2KR

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  • Kai L.
  • 1/24/2009 6:13:00 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsVery Good :)

Pros: WORKS well!!!

Cons: NONE

Other Thoughts: It came in the UPS box???? I guess Intel run out of boxes lol

Did you find this review helpful? Yes No

  • Travis N.
  • 8/6/2008 9:25:22 PM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggs

Pros: None to speak of.

Cons: Arrived DOA.

Other Thoughts: Computer turns on, but with no video. Swap a few parts out, see that everything works fine so I'm now returning the mobo. Trying something different this time.

0 out of 3 people found this review helpful. Did you? Yes No

  • BRYN D.
  • 6/30/2008 6:30:46 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs

Pros: This is my second one of these and it was just as good a decision as it was last year. Recommend this board for "power users"... Intel's newer chipset boards are beginning to look more sexy than this... but I wanted to know what I was getting this time around. Last year at this time, this was the top-of-the-line board, from what I can remember...

Cons: Installing XP can be a bit of a PITA, but it's worth it. Google and are your friends

Did you find this review helpful? Yes No

  • Anonymous
  • 5/13/2008 12:23:14 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

Pros: Fast MB with a lot of options and features. I like that it still has PS/2 connectors since I still use a PS/2 keyboard (I know, time to update).

Cons: The BIOS screens are not as easy to navigate and understand as previous Intel MBs I've worked with. Also, the BIOS docs are not detailed enough, there are entire screens in the BIOS which are not covered in the manual.

Other Thoughts: The BIOS ships with RAID enabled (which I'm not running) so I would get a warning every boot about missing RAID drives. Eventually I found how to disable RAID in the BIOS and prevent this warning.

Did you find this review helpful? Yes No

  • albert r.
  • 5/10/2008 4:39:58 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsINTEL

Pros: The 975xbx2 intel board has great audio. It can take all kinds of abuse and not blow out. The circuit board is high quality. It supports a floppy drive and that can come in handy. Intel supports it.

Cons: none

Other Thoughts: Certain motherboards are great and this is one of them. If you like to build computers then you should try this one, you will really enjoy it.

Did you find this review helpful? Yes No

  • Michael R.
  • 3/29/2008 7:42:46 AM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsOh what a difference the board makes!

Pros: Fast, I didn't need to upgrade my processor once I swapped out the board. I'm running a P4 3GB single core EMT64 with Vista x64 using an Ultra 32 SCCI drive for the OS with no complaints, what a breeze this install was...

Cons: The fan detection had to be turned off in the BIOS for the board to come-up. I have heavy duty fans running from the power suppy that do not hook into the system board so it flagged a cooling problem and shut the board down.

Other Thoughts: Once I turned off the fan detection, the board came-up without a problem and amazed me by installing Vista Ultimate just about instantanously. I booted the system, turned around to work on another system and it was done. It took the old board (Intel 915)about 2 hours to do the same install with the same processor.

Did you find this review helpful? Yes No

  • Anonymous
  • 3/24/2008 1:14:36 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

4 out of 5 eggsAudio Hell

Pros: Great board, Fast runs cool enough with stock cpu fan and a couple rear fans.

Cons: I have had many problems with audio even after removing sound card and reloading drivers and OS. Now everywhere but windows media. A huge PITA.

0 out of 1 people found this review helpful. Did you? Yes No

  • Marshal A.
  • 3/22/2008 5:59:06 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat board

Pros: Fast, easy to install, I love the BIOS configuration. Easy to overclock.

Cons: Drivers are kinda annoying to autoreboots after each one...i know, not a big deal

Other Thoughts: Completly my fault for not researching enough, but the board does not support SLI. If you want to run more than one Nvidia card buy a dif. board.

Did you find this review helpful? Yes No

  • Gerard P.
  • 3/22/2008 5:57:48 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWORTH THE MONEY

Pros: Solid performer. Worked right out of the box. Raid setting is simple IF you read the manual. PLEASE go to the INTEL site and read all the informations and downpoad the updates and the applications. I recommend it to any first builder.

Cons: Mine had a keyboard reading problem. I called Intel and got excellent support from the technician who decided the board was RMA. I returned it to INTEL as advised and got a new one within the week. This one works 100%

Other Thoughts: One little thing: The temp reading you get for the processor is a MARGIN from the acceptable max, in other words it will decrease when you load the processor .
Mine runs with a Q6600 Kentsfield, 4G GORSAIR, 8600GT, 320 GB RAID 1, Creative Ultra gamer, Hauppaugue TV PCIE board.

Did you find this review helpful? Yes No

  • Robert M.
  • 3/20/2008 7:28:25 PM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsCan't Say Good Or Bad

Pros: I'm sure this motherboard will work fine on the CPUs that it actually supports.

Cons: I ordered this on the strength of generally positive reviews and the statement on the Newegg product page, "An Intel board that runs (naturally!) their Core 2 Extreme and Core 2 Duo processors (along with Pentium EE and Pentium)."

What I did not realize is that this sentence really means, "supports SOME Core 2 Extreme and Core2 Duo processors."

It was only after I received it that I found a list of supported CPUs which indicated this board does not support the Intel E6750 that I also bought at the same time.

Other Thoughts: Bad news/good news: when I filled out the RMA request, Newegg was going to charge me an approx. $27 restocking fee. I called customer service and explained I thought the catalog listing was misleading, and they waived the restocking fee immediately.

I think the product description should be clearer, but have no complaints at all about customer service.

1 out of 4 people found this review helpful. Did you? Yes No

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Item#: N82E16813121060
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