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Item#: N82E16813138379

BIOSTAR B75MU3B LGA 1155 Intel B75 SATA 6Gb/s USB 3.0 Micro ATX Intel Motherboard

  • Intel B75
  • Core i7 / i5 / i3 (LGA1155)
  • DDR3 1600/1333
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With performance, quality, and reliability at a budget-friendly price, the BIOSTAR B75MU3B is a great choice for your next PC build, for both work and play. It's based on the Intel B75 Express Chipset, offering perfect support for the powerful yet power efficient Intel 2nd and 3rd gen Core processors in an LGA 1155 packaging. Two memory slots with dual-channel support, PCI-E 3.0 interface, and the latest USB 3.0 and SATA III give you all the essentials to build your powerhouse. And with rich BIOSTAR features, the BIOSTAR B75MU3B ensures an exceptional experience in everyday use and system maintenance.

  • newegg X.D.C (eXtreme Durable Capacitors) BIOSTAR adopts low ESR and high ripple conductive solid state caps that provide sufficient, stable power supply to the CPU. The life span can also be more than 6.25 x of ordinary liquid caps.
  • newegg High Efficiency of Data transfer rate SATAIII 6Gbps provides a higher bandwidth to retrieve and transfer HD media. With this super speed data transfer, SATAIII allows an incredible data boost which is two times faster than the SATA 3G.
  • newegg USB 3.0 Experience Fastest data transfers at 5 Gbps with USB 3.0--the new latest connectivity standard. Built to connect easily with next-generation components and peripherals, USB 3.0 transfers data 10 times faster and backward compatible with previous USB 2.0 components.
  • newegg Charger Booster Charger booster is the best and efficient charger solution for apple devices such as iPad, iPhone. Basically, Charger booster Technology is able to boost the charging time to be more efficiency and faster once any Apple goods is connected to the motherboard. With charger booster technology, you are able to charge your apple devices up to 42% faster.
  • newegg BIO-Remote 2 BIO-Remote2 Technology is featuring users a better Home Theater environment. Users who own either Android mobile or Apple goods are able to access and control your PC remotely; Now your smart device is an intelligent and functional remote controller. More than that, BIO-Remote2 includes both functions of the mouse pad and the PowerPoint presentation mode.
  • newegg Intel Small Business Advantage Intel Small Business Advantage (Intel SBA) is a new computing platform, consisting of hardware, software, and firmware for small businesses without a managed network. Once configured, the technology will continually monitors your security and alarms you if it's been compromised viruses or malware. It will also automatically back-up your company's data and manage routine maintenance tasks.

Learn more about the Biostar B75MU3B

Quick Info

Warranty

  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years


Customer Reviews of the Biostar B75MU3B

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  • Anonymous
  • 10/3/2014 5:07:45 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsNot bad for a budget board

Pros: Low cost with reasonably good quality

Responsive support staff

Has Onboard video, legacy PCI & serial port

Cons: Board arrived with the 1st BIOS revision

Unspecific manuals & documentation

Minor WinXP-32 installer & driver issues

Possible Onboard video issues under Windows 8.1-64


I am an experienced builder who normally uses Asus, Gigabyte, & AsRock boards. I gave Biostar a try because I needed a basic low cost board with DVI video, USB3, legacy PCI, & a serial port. If you have a few minutes grab a cup of coffee & read my other thoughts.

Other Thoughts: I purchased in Sep 2014 & received PCB Ver6.0 with the 1st BIOS. The Biostar CPU QVL does not specify which BIOS is needed for each CPU but my G645 worked well enough to update to the newest BIOS.

The manual is brief & unspecific. It covers the basic specs, connections, & software install but offers no insight into BIOS setup or all the other little things normally covered in a good manual.

One example of this is the OS free F12 BIOS update utility that is not mentioned in the manual. Also, the online instructions are generic & fail to mention the flash drive needs to be formatted FAT32 (not NTFS) for the updater to work.

On to the OSes.

WinXP-32 works fine but the install is bumpy. The required “F6” SATA driver on their website didn't work for me & ones driver CD work but with a WHQL warning. Certified drives for the B75 SATA are available elsewhere on the web.

Also under XP the LAN & Audio setup programs didn't install the hardware correctly. I was able to install these drivers manually through the device manager & they worked fine. There are no USB3 drivers for XP but the USB3 ports do work at USB2 speed.

Win8.0-64 installed fast, all the hardware was automatically installed & worked as it should.

Under Win8.1-64 the onboard video goes black for a second intermittently. I had this issue using the WinUpdate driver 9.17.10.2247 & the Biostar driver 9.17.10.2817.

To their credit Biostar support answered my inquiry the same day. They said there is no known issue with the OB video & Win8.1 & they recommended Intel driver 15.28.22.64.3517. I had already reinstalled Win8.0 so I didn't try this driver (sorry guys).

Linux Mint 17-64 Cinnamon just worked, slide the DVD in & soon I was up running with no propriety drivers required.

Back to the board itself.

This quality seems ok for a budget board, they used solid caps around the CPU with electrolytic caps on the lower half. As others have said the SATA ports could be laid out better, there is only one case fan plug, & the plastic key came off my USB3 header when it was unplugged.

I had to knock out the DVI & sound slugs on the I/O shield before installation. Not a big deal for one but if I was deploying fifty of these this would have been inconvenient.

My overall conclusion...

The board itself is solid value & worth every penny I paid for it. While Biostar documentation is lacking their support is responsive.

XP is outdated & install issues are common with new products of all manufacturers. The Win8.1 OB video issue concerns me but is software related since the issue does not appear in XP, Win8.0, or Linux.

I will keep this board but if I did this over again I would seriously think about spending the extra money for the GIGABYTE GA-B75M-D3H.

System Specs:
Biostar B75MU3B Ver6.0
G645 Pentium Dual Core 2.9Ghz
Crucial 4GB (2x2GB) DDR3 1333 CT2KIT25664BA1339
EVGA 500W 100-W1-0500-KR
500GB Western digital WD5000AAJS
Crucial M4 128M

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  • Evan L.
  • 8/10/2014 10:21:49 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggshappy

Pros: small formfactor
small price
solid bios

great for budget gaming

Cons: doesnt taste like mint chocolate ice cream...

Other Thoughts: bought this little guy because I had to save somewhere. I have not been disappointed. Fitted with:
i7-3770
Vulcan 2x8GB 1600Mhz
760 GTX

might be a concern if you're looking for more expandable slots

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  • Anonymous
  • 7/23/2014 7:59:21 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsPlease reconsider buying

Pros: Has not started smoking yet

Cons: Does not work. CPU on on BIOSTAR website shows as supported...
It is not working properly. INTERMITTENT Video only in VGA mode.

USB 3 header pins and plastic seat are loose.

Other Thoughts: If my build was not delayed I could have returned for refund. I AM SO SAD!

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  • Chris G.
  • 5/23/2014 6:10:24 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks Good

Pros: Painless setup. Good performance. Cheap. USB3.

Cons: Only 1 SATA 6.0 Port, but w/e.

Other Thoughts: Using for media server machine coupled with Intel Celeron G1610 Ivy Bridge 2.6GHz LGA 1155 55W Desktop Processor BX80637G1610 - just a bunch of shared drives, no RAID. Performance is just fine. Would've liked another SATA port, but external USB3 streaming speeds are smoking.

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

  • Blair N.
  • 5/21/2014 1:37:49 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat little board

Pros: Not expensive, and it has everything you would need to build a good home PC. Put an i5 on the board and an AMD 7770 and have been gaming with it since. Liking these Biostar boards.

Cons: None so far.

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

  • Shunli l.
  • 3/20/2014 8:35:49 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsBiostar RMA is garbage

Pros: I installed this board and everything was fine, then I plugged in a flash drive into the front USB ports and it hard shut off. After case swaps, different devices, etc. it kept happening. Replaced with an MSI board works fine. RMA to biostar explaining the issue, get the board back it does the same thing.

Cons: Biostar RMA

Other Thoughts: I hate when these companies don't read your RMA, they see that it POSTs and they send it back. I will never buy another Biostar product, because their warranty is a waste of time. I'm throwing this board in the trash, no point in paying shipping to get my board sent back with the same problems.

Manufacturer Response:

Sorry to hear of your troubles. Our RMA process does best to duplicate reported issue and process a internal testing that requires us to add our components so the motherboard can boot to Windows and test normal operating functions in a windows environment like audio, video, LAN, USB, and memory slot checks. If we are not able to duplicate or find no problems we will return product to you. Should you still continue to have problems, please contact Biostar support at 626-581-1055 menu 2 or email support@biostar-usa.com For second RMA cases, we will provide shipping labels so you do not need to pay for shipping.

1 out of 2 people found this review helpful. Did you? Yes No

  • Paul S.
  • 2/14/2014 7:55:28 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsDecent little board

Pros: Fast shipping...again!
Great, low budget price on a board that has just about everything I needed for my HTPC...USB 3 and SATA 6 support.
Nice color too.
HDMI and DVI out with USB 3 and USB 2 ports in back.

Cons: The reason I gave this board only 3 eggs is:
The placement of the onboard SATA ports is terrible!
The SATA 6 port is in line with the Gen 3 PCi-E slot! Why didn't Biostar just put those little ports off to the side away from the PCi Express slot? So if you have a video card that has any kind of bulk to it, it covers the SATA 6 port!
And the other con is that there is only 1 plug on the MB for a case fan. It would have been better to have 2. Yes a case with a second fan, you can most likely plug it into a molex plug, but then that extra fan is running at full speed all the time, as it powers up from the PSU and not controlled by the MB.

Other Thoughts: I suppose I should take the negative credit for buying the board, and not noticing the bad SATA plug placement, but still, it's a bad design and needs to be pointed out.
But other than those 2 flaws, which do not actually take away from the performance of the MB, it is a solid little MB for use in a micro case HTPC.

2 out of 2 people found this review helpful. Did you? Yes No

  • Paul W.
  • 12/24/2013 2:55:18 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSuper Reliable

Pros: Has everything we required (USB 3.0, PCI-E x16 3.0 Slot, SATA 6GB), it also booted on the first try and has been very stable, it was inexpensive and the motherboard feels very sturdy.

Cons: Doesn't do my homework.

Other Thoughts: All the hardware was transferred from an unreliable Intel motherboard. It booted on the first try and did not require a reinstall of windows 8.

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  • Erik W.
  • 12/10/2013 10:04:28 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsWould have purchased other

Pros: - Inexpensive

Cons: - Had trouble with network connector
- Placement of sata connectors on drive seats them right under the video card if you have one that is long
- Placement of sound connector makes you route cable *under* the video card.

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  • Orlando A.
  • 10/11/2013 9:59:09 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsOk at best

Pros: The board is relatively cheap for what you get (PCI x16 3.0, 1x 6gb SATA, USB 3.0

Cons: Quirky o_O For example, both the on-board audio and the 6gb SATA are placed in really bad spots on the board. This was particularly irritating when installing my HD 7950 Graphics card.

Other Thoughts: I tried this board because it was cheaper at the time when I was looking to build my second Mini Tower. For the price it gets a pass because of the features on the board (PCI-E x16 3.0, 6g/b SATA, and USB 3.0) however, I would encourage you to look elsewhere if you are installing a larger double slotted graphics card as it became quite a chore to install because of the quirky placements of the connectors for the HD Audio and the 6gb SATA ports. I've also used the MSI B75MA-E33 Micro ATX board in a previous build and found that board to be ideal for a double slot graphics card and a joy to work on. It's worth the extra cost to save yourself the aggravation.

2 out of 2 people found this review helpful. Did you? Yes No

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Item#: N82E16813138379
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