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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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  • Aaron F.
  • 2/27/2015 11:00:00 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsA Great Little Motherboard

Pros: - Solid construction/build quality
- Decent color scheme
- Easily supports dual slot graphics with smart slot placement
- USB 3.0

Cons: - SATA ports are in a weird spot. If you're using a dual slot graphics card, make sure you have an angled SATA cable, as the graphics card will rest just above the SATA 3 port and one of the SATA 2 ports.
- Audio pinout is sort of in a weird spot, next to audio jacks instead of near the rest of the FP connectors like it often is
- Only 2 RAM slots

Other Thoughts: I bought this board to put together a build with an old i7-2600 I had laying around, and it worked well. No issues with it reading the CPU even before a BIOS update to the latest version. The BIOS is admittedly a bit old school, but it does what it needs to. Only having two slots for RAM might be an issue for some, but just make sure you know about that before you buy it. Other than that, it's a solid board, and I'd gladly buy it again if I needed to.

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  • Ellott I.
  • 2/22/2015 8:36:25 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsGood basic motherboard

Pros: works well, supports USB 3.0, with built in front panel header

Cons: This motherboard only carries 1-SATA 3.0/6GB/s port, which is located directly behind the only PCI-e 3.0 port..... so if you install a graphic card with even a minimal length you will have difficulty using this port with a SSD/HDD.

The way around this problem is using a SATA cable that had one 90degree angle connector and one straight connector on the opposite side. Please be advised that this motherboard comes with two bright orange SATA cables, neither one has a 90degree angle connector.

This seems like a huge over-site as a large majority of people building budge gaming rigs will be looking at this motherboard as it is very functional and performs as it needs to. however, the vast majority of gaming graphic cards are going to cover the SATA 3.0/6GB/s port

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  • Dennis N.
  • 2/5/2015 9:40:17 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsLimited in feature and layout but functional

Pros: Cheap and it works.

Cons: Lot of minor issues. As others have mentioned, the PCIe 3.0 port does cover the SATA3 port when a decent sized card is used. I used a 90-degree sata cable to sneak into the sata3 port under the video card, but that cable now covers one of the 3 sata2 ports. so I can only use 3 sata deveices, not 4. Slightly annoying.

A major issue I had is when I tried one of my standard tricks... I bought DDR3 1866 with the intention of running at 1600 as you can usually tighten up the latencies a bit when you run RAM clocked below its spec. This board was just not having it. DDR3 1866 just threw a fatal memory error (endless short beeps, no pattern or code). I bought a $20 2GB stick of DDR3 1600 from a local shop and it booted and even installed windows just fine (I'm using it now actually). I tried locking in the RAM frequency and timings and then swapping the 1866 back in, but again it just beeped. When I put the 1600 back in, the frequency multiplier had set itself back to auto. Appraently "locking in" the frequency multiplier is just not possible. Looks like I have to eat a restocking fee on the RAM. Admittedly the RAM was out of spec for the board, but it is supposed to be backwards compatible. Kind of a bummer.

Other Thoughts: Aside from the one little hiccup, I haven't had any issues at all. Machine has been running non-stop for several days now and is rock solid.

This board definitely has a few quirks which the reviews doucument well. Overall though, not a bad board for the money.

Just trust me and stick with DDR3 1600.

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  • Paul C.
  • 1/22/2015 6:41:27 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsMedia PC Upgrade

Pros: Needed to upgrade from my AMD.. Geez what was it at the point? It was an AM2 CPU running at 2.5 at 45W. X2. Don't feel like looking up the actual statics.

Anyway, started to have troubles playing 1080p video through CCCP. Upgraded to an I3, something running at 3.4Ghz. Was a little concerned since the cpu runs at 65W over the 45W I was use to.

So far, system works, videos that had troubles before work perfectly.

Cons: While not really a con, because the board is what it is, however, the SATA ports are sort of in the way. Was trying to use a GTX 640, but the dual width card was blocking one of the ports. It doesn't matter as I reused my 5450. Doesn't need to play games, just run video.

Other Thoughts: I wasn't expecting much with this board. Reusing hardware that was laying around. Overall, I'm glad I went with this board for the cost. If I would do it again, may have spent a little more for a motherboard that had HDMI out.

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  • Robert N.
  • 1/3/2015 9:46:16 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGood replacement board

Pros: Everything worked out of the box which is more than I can say for the board it replaced.

Cons: The legacy PCI slot should have a PCIEx1 slot.

Other Thoughts: My Windows Home Server board died and I needed to get that box back up and running quick so I went ahead with this and it is running flawlessly so I'm happy with it. These 1155 boards are getting harder to find, glad I didn't have to break the bank to fix this box.

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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.

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  • 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.

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Item#: N82E16813138379
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