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Item#: N82E16813131991

ASUS B85M-E/CSM LGA 1150 Intel B85 HDMI SATA 6Gb/s USB 3.0 Micro ATX Intel Motherboard

  • Corporate Stable Model (CSM)
  • Supports Intel SBA
  • Redesigned UEFI and new Ai Suite 3
  • Network iControl
  • Legacy COM/LPT headers

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews



Based on the latest Intel B85 chipset, the ASUS B85M-E/CSM brings the power of an Intel 4th generation Core processor in a uATX form factor. It guarantees uncompromised flexibility and expandability with one PCIe 3.0 x16 slot, one PCIe 2.0 x16 slot, four SATA 6Gbp/s ports, four USB 3.0 ports and 8-channel audio. ASUS's exclusive USB 3.0 Boost enables faster data transmission, while Fan Xpert 2 technology delivers the most customizable fan controls to achieve the best balance of cooling performance and noise level. Additional features include Network iControl, for real-time bandwidth control, and ASUS GPU Boost, for iGPU overclock. The B85M-E/CSM presents a new premium gold color scheme, symbolizing an insistence on delivering the highest standards of innovation, performance, and reliability.

The B85M-E/CSM is part of ASUS's renowned Corporate Stable Model (CSM) Series. ASUS CSM products are guaranteed to have a longer lifespan, and are available for purchase for at least one year from the date the product has been declared CSM. ASUS CSM products feature Advance Swap service options, allowing overnight cross-shipment of your defective unit in order to minimize downtime. Motherboard and graphics card products feature a one-way cross-shipment option during the first year of ownership.


ASUS Exclusive USB 3.0 Boost --1.3X Faster than Traditional USB 3.0
With USB 3.0 Boost technology, USB transfer speeds are significantly increased up to 1.3x, enhancing an already impressive USB 3.0 transfer rate. ASUS software automatically accelerates data speeds for compatible USB 3.0 peripherals without the need for any further user configuration.
Network iControl--Real-time Network Bandwidth Control
With a single-click on/off button, the application currently in use has its data and network bandwidth prioritized over other programs. In addition, you can prioritize your favorite software easily by configuring profiles through the intuitive user interface. Within the profile, programs can be pre-scheduled to run in a specific time period to avoid network congestion and long-waits on downloads. Auto PPPoE network connection provides a one-step setup for enhanced online convenience. Overall, it's an intuitive network bandwidth control center.
Superior Components, Excellent Quality and Durability

100% High-Quality Solid Capacitors

ASUS's high-quality solid capacitors assure a 5,000-hour lifespan (5K Hrs. @ 105°C; 50K Hrs. @ 65°C) – equivalent to 2.5 times longer than traditional capacitors. All capacitors pass testing under temperatures as high as 105 degrees, and meet Japanese industrial standards to provide excellent durability and enhanced thermal capacity.
Extra-Durable Stainless Steel Back I/O
The ASUS Motherboard's back I/O panels are made from strong and corrosion-resistant stainless steel, which is bonded with a thin layer of chromium oxide to enhance its anti-corrosion properties. That is why ASUS stainless steel back I/O panels have a usage life three times longer compared to ordinary panels.
Windows 8 Ready — One-Stop Access to Innovative ASUS Features
With hardware driver compatibility tested and assured, ASUS provides a complete solution for Windows 8 support. Users can now experience the next generation operating system on ASUS hardware, and can rest assured that they can easily upgrade once the final driver versions are released — all without any compatibility issues!


Learn more about the ASUS B85M-E/CSM

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Customer Reviews of the ASUS B85M-E/CSM

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  • Gary G.
  • 4/19/2016 6:00:27 PM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsHas been working for 17 months now

Pros: -Perfect board for a mid range gaming PC
-Has done everything I needed since Fall of 2014

Cons: None

Other Thoughts: -Compatible with 1150 Xeon Processor

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  • thomas z.
  • 3/29/2016 11:09:41 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWorks

Pros: - Triple monitor support with integrated graphics (DVI, HDMI and DP)
- Booted up without issue. Transferred i5 and previously configured HDD with Win 7 Pro and zero problems

Cons: - Could use more fan headers

Other Thoughts: - After having fatal usb port issues with two other brands, ASUS pulls through.

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  • Loren S.
  • 12/5/2015 9:07:21 AM
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsSolid board if not DOA

Pros: Board layout is good for a business or office build, which one would expect of a B85 chipset as this is the target market.

Installation was simple and straghtforward, though CPU fan connection was a bit tricky with the selected cooler (SilenX EFZ-120HA5 120mm Fluid Dynamic CPU Cooler). Scraped some knuckles on the cooler fins getting it in.

Board has been rock solid this past year with no user reported issues. Expect years of use to come with the beefier capacitors used in the build.

Cons: Board is surprisingly flexible for such a small surface area, I noticed a fair bit of flexing during installation in the case for the install that yielded a DOA board (I didn't bread-board so I can't say if it was an install problem or not). Careful install may be wise to avoid such potentially damaging flex.

As others have noted DOA rate on these boards is a bit high. The first board would not POST reading out a memory error in the POST code. RMA later and the system was up and running.

Other Thoughts: ASUS quality control appears to be slipping across all motherboard constructions. If you get a non DOA board they're great, otherwise not so much.

In high throughput builds these boards are excellent and make for good micro ATX terminals.

Manufacturer Response:

Dear Valued Customer,

We appreciate your informative feedback on your experience with the ASUS B85M-E/CSM. I will make sure to forward your feedback to the related department for future improvements to this line of motherboards. If you have any technical questions, please contact me at

Thank you for choosing ASUS!
Best Regards,
ASUS Customer Loyalty

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  • CJ F.
  • 11/8/2015 1:56:41 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNice board

Pros: Easy install & configuration.

Cons: None

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  • Nicholas P.
  • 10/6/2015 9:07:59 AM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsgreat board, great price

Pros: Great board for a normal computer user or business user. No raid or other unnecessary features. Has an LPT1 header, to just add a cable if needed. And built in video that runs two monitors just fine. We have deployed over 100 of these boards and we had 1 DOA, and 1 that was kind of weird acting so we put a new one in. In the world of electronics I will take 103 out of 105 working perfectly anyday!

Cons: none

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  • Benjamin I.
  • 6/2/2015 1:51:21 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsgreat micro ATX board

Pros: Plenty of room to upgrade graphics, ram and high end CPU's. Very capable little board.

Cons: wide GPU's will cramp the neighboring PCIE x1 slot unless you buy an extention cable and do a bit of case modding.

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  • Carl S.
  • 2/16/2015 7:20:22 PM
  • Ownership: 1 day to 1 week

1 out of 5 eggsDOA

Pros: I've always liked ASUS boards, and have had great experience with them in the past. This board has all the right features, for a decent price.

Cons: Unfortunately, this board was DOA. It won't post, won't boot, and no amount of troubleshooting could get it to do either. I eventually had to RMA it, luckily, Newegg has great customer service.

Other Thoughts: This didn't turn me off to ASUS boards all together, but I am going to try a different board in this particular build. I'm sure I'll end up with another ASUS motherboard in the future though.

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  • Phil G.
  • 1/19/2015 1:41:29 PM
  • Ownership: 1 month to 1 year

3 out of 5 eggsGood board some issues

Pros: -Small size
-Nice BIOS
-Good price

Cons: -sometimes does not boot

Other Thoughts: Sometimes the unit does not boot. I have to restart so it boots. When it doesn't boot it just stays on the ASUS boot up screen. I changed bios settings and it will do this.

Also when I shut down the computer with the new bios update the case fans spin for about 10 seconds after the computer shuts down. Now my multi card reader power light stays on after computer is off. This started happening once I updated to the 12/8/14 bios.

Beside that it has been okay.

-EVGA GTX 770 w/ACX cooling

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5 out of 5 eggsNice B series board

Pros: Worked perfectly. More features then other similarly priced boards.

Cons: None

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  • Loren S.
  • 11/23/2014 3:30:58 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsPotential QA problems

Pros: Built in USB 3.0 pins for front panel, solid standard features and ASUS quality and BIOS support.

Cons: First board came DOA (would not POST: memory module not recognized); had to RMA the board. Given other's comments be prepared for what looks like a 10-15% DOA rate, substantially below other ASUS consumer boards.

Other Thoughts: HDMI/DisplayPort/DVI output on rear panel for on-chip integrated graphics solutions reducing overall build cost (admittedly standard).

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Item#: N82E16813131991
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