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MSI PRO B660M-A DDR4 Motherboard (mATX, 12th Gen Intel Core, LGA 1700 Socket, DDR4, PCIe 4, 2.5G LAN, M.2 Slots, USB 3.2)

4.5 4.5 out of 5 stars 427 ratings

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mATX
PRO B660M-A DDR4

About this item

  • Supports 12th Gen Intel Core Pentium Celeron processors for LGA 1700 socket
  • Supports DDR4 Memory
  • Core Boost : With premium layout and digital power design to support more cores and provide better performance
  • Memory Boost: Advanced technology to deliver pure data signals for the best performance, stability and compatibility
  • Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr

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This Item
MSI PRO B660M-A DDR4 Motherboard (mATX, 12th Gen Intel Core, LGA 1700 Socket, DDR4, PCIe 4, 2.5G LAN, M.2 Slots, USB 3.2)
MSI PRO B660M-A DDR4 Motherboard (mATX, 12th Gen Intel Core, LGA 1700 Socket, DDR4, PCIe 4, 2.5G LAN, M.2 Slots, USB 3.2)
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Price-5% $209.99
List:$219.99
-56% $199.99
List:$449.99
-9% $99.99
List:$109.99
$139.99-17% $99.99
List:$119.99
Delivery
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Customer Ratings
For gaming
5.0
4.0
4.7
3.8
4.1
4.5
Value for money
4.0
3.8
3.3
3.7
4.2
Tech Support
3.5
4.3
3.2
3.8
3.8
Easy to install
4.1
4.0
4.3
3.6
Stability
5.0
3.9
4.0
4.5
Sold By
Amazon.com
Amazon.com
Amazon.com
Yumee
Amazon.com
platform
windows 10, windows 11
windows 10
windows 11
no operating system
windows 10, windows 11
windows 10
cpu socket
LGA 1700
LGA 1700
LGA 1700
LGA 1700
LGA 1200
LGA 1700
memory slots
4
4
4
2
2
4
memory capacity
128 GB
1760 MB
128 GB
64 GB
64 GB
32 GB
compatible processors
Intel Pentium, Intel Celeron
Intel Pentium, Intel Celeron
i9
Intel Celeron, Intel Pentium Gold
Intel Pentium, Intel Celeron
12th Generation Intel Core
card interface
pci e x16
pci e
pci e
pci e
pci e
pci e

From the manufacturer

PRO B660M-A DDR4 Intel Core 12th Gen Processors (LGA 1700)
PRO B660M-A DDR4

MSI Business
MSI Business & Productivity

MSI Business & Productivity specializes in home & commercial office computing hardware with a design emphasis on productivity and user comfort.

For business professionals searching for elegant, world class solutions engineered with cutting edge components, premium reliability and refined aesthetics, MSI Business & Productivity offers a broad array of innovative products to ensure a competitive working environment.

PRO B660M-A DDR4

Business Elegance

The PRO B660M-A DDR4 is a business-oriented micro-ATX motherboard featuring the latest Intel B660 chipset that includes ample RAM capacity.

  • Supports Intel Core 12th Gen Processors (LGA 1700)
  • Lightning Gen4 M.2 slot with Shield Frozr
  • 1 x PCI-e 4.0 x16 slot, 1 x PCI-e 3.0 x16 slot
  • 4 DIMMS with Memory Boost: Dual Channel (128GB Max. / 4800MHz OC)
  • 7.1 HD Audio with Audio Boost
  • 2.5G LAN Controller

B660 Chipset, Smart Cooling, Lightning Gen 4

Supports Intel Core 12th Gen Processors

Integrated Cooling Features

Fortified PCI-e 4.0 x16

Gen4 M.2 Connectors

Supports Intel Core 12th Gen Processors

The PRO B660M-A DDR4 motherboard supports 12th Gen Intel Core, Pentium Gold, and Celeron processors.

  • Form Factor: Micro-ATX
  • Socket Type: LGA 1700
  • Chipset: Intel B660

Integrated Cooling Features

  • VRM Heatsinks: Ensure excellent thermal dissipation under heavy loading.
  • PCB Cooling: Printed circuit design with 2 oz. thickened copper improves heat dissipation & reliability.
  • Chipset Heatsink: Provides passive cooling
  • Frozr AI Cooling: Automatically adjusts system fan settings based on CPU & GPU temperatures

Fortified PCI-e 4.0 x16

MSI PCI Express Steel Armor slots are secured to the motherboard with extra solder points to support the weight of heavy graphics cards. Steel Armor also shields the point of contact from electromagnetic interference:

  • 1 x PCI-e 4.0 x16 slot (with Steel Armor)
  • 1 x PCI-e 3.0 x16 slot
  • 3 x PCI-e 3.0 x1 slot

Gen4 M.2 Connectors

The PRO B660M-A DDR4 motherboard features MSI's latest M.2 slots (Intel Optane supported):

  • 2 x Gen4 x4 64Gb/s slots

Reliable Performance

M.2 Shield Frozr

4 x DDR4 Dual Channel (4800 MHz OC)

2.5G LAN Controller

M.2 Shield Frozr

Even the world’s fastest SSDs will automatically slow if thermal throttling firmware detects excessively high temperatures.

  • M.2 Shield Frozr is MSI's most advanced thermal solution, offering the best possible protection to ensure maximum SSD transfer speed performance.

4 x DDR4 Dual Channel (4800 MHz OC)

  • Memory Boost: A fully-isolated DDR circuit delivers pure data signals for optimal gaming and overclocking performance.
  • XMP profiles in MSI BIOS are MSI OC LAB tested and can be easily enabled with auto power settings for optimized memory speed and stability.

2.5G LAN Controller

  • 2.5G LAN: A 2.5Gbps LAN controller delivers a premium network experience.
  • USB 3.2 Gen 2: Connect to devices and transfer files at high bandwidth rates: 10Gb/s.
  • HD Audio: 7.1-Channel High Definition Audio with Audio Boost.

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Product information

Technical Details

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Additional Information

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.

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MSI PRO B660M-A DDR4 Motherboard (mATX, 12th Gen Intel Core, LGA 1700 Socket, DDR4, PCIe 4, 2.5G LAN, M.2 Slots, USB 3.2)


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Product Description

PRO series helps users work smarter by delivering an efficient and productive experience. Featuring stable functionality and high-quality assembly, PRO series motherboards provide not only optimized professional workflows but also less troubleshooting and longevity.

Customer reviews

4.5 out of 5 stars
4.5 out of 5
427 global ratings

Customers say

Customers like the value and appearance of the motherboard. For example, they mention it's hefty, looks great and runs cool. That said, some complain about the quality, saying it'll be a waste of money. Opinions are mixed on performance.

AI-generated from the text of customer reviews

7 customers mention7 positive0 negative

Customers appreciate the value of the motherboard. They say it's the best B660 MB for the price, and a solid board for the money. Some customers also mention that the board is hefty.

"...The first thing I noticed about this motherboard is that it is hefty, moreso than ATX boards I've previously handled; the stylized metal covers..." Read more

"...Overall, this is the best value in mATX if you want to use a fast 12th Gen with upgrade potential and without overclocking the CPU...." Read more

"It’s a good board for the price. Solid VRM and cooling. Everything is great until I was to test its pcie 3 x 4 slot...." Read more

"I bought this one because it was an attractive price and had the features I was looking for...." Read more

6 customers mention6 positive0 negative

Customers like the appearance of the motherboard. They mention that it looks great, runs cool, and is the coolest looking paper weight they have ever had.

"...Overall, my new PC runs outstandingly quiet and cool, in no small part with this board pulling its weight...." Read more

"Looks like a great motherboard, the online reviews are great for this motherboard...." Read more

"...Great board" Read more

"Works great, looks great, runs cool, but the full ATX is even better if you have a full ATX case..." Read more

18 customers mention11 positive7 negative

Customers are mixed about the performance of the motherboard. Some mention that it works great, has no errors, and has solid reliability. However, others say that it fails to boot and burns their processor.

"...its socket often requires disconcerting force, but this board is firm enough to squelch any fear of warping it; likewise, it has no trouble holding..." Read more

"...is that if you are building a new PC with a 13th gen cpu, the computer will not boot. There is no Bios Flashback either...." Read more

"Works like a charm I really recommend for budget builds." Read more

"...The bios works well enough with full control of fans and memory overclocking, and control over the time duration of the PL2 power up to 128 secs..." Read more

4 customers mention0 positive4 negative

Customers are dissatisfied with the quality of the motherboard. They mention that the quality is seriously lacking, the board is outright trash, and that it's very cheap.

"...This motherboard is outright trash and I can't say I've ever been so inclined to avoid MSI going forward...." Read more

"...my processor in the process, be very careful when buying it, it's very cheap for some reason, and i think this is it...." Read more

"...MSI quality is seriously lacking." Read more

"...Very low end quality" Read more

Sturdy and No-Nonsense
5 Stars
Sturdy and No-Nonsense
When I chose my board, I wanted a simple one without unneeded features, but I certainly didn't want to cheap out, either - The quality of this board renders it easily the value I sought.The first thing I noticed about this motherboard is that it is hefty, moreso than ATX boards I've previously handled; the stylized metal covers which initially appear decorative offer a secure handhold and a reassuring impression of structural integrity. When building, latching the CPU into its socket often requires disconcerting force, but this board is firm enough to squelch any fear of warping it; likewise, it has no trouble holding up the monstrous heatsink I used.Installing components is noticeably easy; all of the headers are clearly labeled, and they are distributed around the perimeter in a manner that averts awkward positioning.The intuitiveness of the build is bolstered by clear instructions; the included instruction sheet leads you to videos demonstrating the installation of every conceivable component, and the user manual available online not only contains plenty of information regarding the board itself, but also proved to be a valuable general information resource throughout the building process - for this alone, I would recommend this board to a beginner.That said, I did find that in a few places components were positioned awkwardly; when installing an NVME drive into the secondary M2 slot, for example, the position of a nearby PCI slot necessitated some difficult maneuvering. I also found that my case fan connector was unable to reach any of the SYS_FAN headers, which are unusually positioned. This was not a bother; I simply plugged it into the PUMP_FAN header instead and verified correct settings in the BIOS.When it came time to mount the prepared board in the case, the preinstalled I/O shield was indeed a convenience: The board slid into place with little effort at all. It was in the act of securing it, however, that the bulk of the motherboard became more apparent; the metal shielding presented a slight pinching hazard when mounting, and necessitated extra dexterity when screwing into the hard-to-reach corners.Lastly, the included BIOS is easily the most beginner-friendly I've seen; the mouse-and-keyboard controls along with a familiar user interface made it very easy to use the helpful diagnostic tools as I finalized my build.Overall, my new PC runs outstandingly quiet and cool, in no small part with this board pulling its weight. A good motherboard is the near-literal backbone of your computer, and this one is no exception.PS: I suggest finding your board's CHK code *before* you put it in the case.
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Top reviews from the United States

Reviewed in the United States on October 18, 2022
Size: mATXStyle: MAG B660M BAZOOKA DDR4Verified Purchase
Customer image
5.0 out of 5 stars Sturdy and No-Nonsense
Reviewed in the United States on October 18, 2022
When I chose my board, I wanted a simple one without unneeded features, but I certainly didn't want to cheap out, either - The quality of this board renders it easily the value I sought.

The first thing I noticed about this motherboard is that it is hefty, moreso than ATX boards I've previously handled; the stylized metal covers which initially appear decorative offer a secure handhold and a reassuring impression of structural integrity. When building, latching the CPU into its socket often requires disconcerting force, but this board is firm enough to squelch any fear of warping it; likewise, it has no trouble holding up the monstrous heatsink I used.

Installing components is noticeably easy; all of the headers are clearly labeled, and they are distributed around the perimeter in a manner that averts awkward positioning.
The intuitiveness of the build is bolstered by clear instructions; the included instruction sheet leads you to videos demonstrating the installation of every conceivable component, and the user manual available online not only contains plenty of information regarding the board itself, but also proved to be a valuable general information resource throughout the building process - for this alone, I would recommend this board to a beginner.
That said, I did find that in a few places components were positioned awkwardly; when installing an NVME drive into the secondary M2 slot, for example, the position of a nearby PCI slot necessitated some difficult maneuvering. I also found that my case fan connector was unable to reach any of the SYS_FAN headers, which are unusually positioned. This was not a bother; I simply plugged it into the PUMP_FAN header instead and verified correct settings in the BIOS.

When it came time to mount the prepared board in the case, the preinstalled I/O shield was indeed a convenience: The board slid into place with little effort at all. It was in the act of securing it, however, that the bulk of the motherboard became more apparent; the metal shielding presented a slight pinching hazard when mounting, and necessitated extra dexterity when screwing into the hard-to-reach corners.

Lastly, the included BIOS is easily the most beginner-friendly I've seen; the mouse-and-keyboard controls along with a familiar user interface made it very easy to use the helpful diagnostic tools as I finalized my build.

Overall, my new PC runs outstandingly quiet and cool, in no small part with this board pulling its weight. A good motherboard is the near-literal backbone of your computer, and this one is no exception.

PS: I suggest finding your board's CHK code *before* you put it in the case.
Images in this review
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16 people found this helpful
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Reviewed in the United States on August 6, 2023
Size: mATXStyle: PRO B660M-A DDR4Verified Purchase
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5.0 out of 5 stars As espected
Reviewed in the United States on August 6, 2023
Works like a charm I really recommend for budget builds.
Images in this review
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Reviewed in the United States on February 17, 2023
Size: mATXStyle: MAG B660M BAZOOKA DDR4Verified Purchase
14 people found this helpful
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Reviewed in the United States on March 7, 2024
Size: mATXStyle: MAG B660M BAZOOKA DDR4Verified Purchase
Reviewed in the United States on May 8, 2022
Size: mATXStyle: PRO B660M-A DDR4Verified Purchase
4 people found this helpful
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Reviewed in the United States on March 11, 2023
Size: mATXStyle: PRO B660M-A DDR4Verified Purchase
Reviewed in the United States on July 9, 2023
Size: mATXStyle: PRO B660M-G DDR4Verified Purchase
Reviewed in the United States on August 19, 2023
Size: mATXStyle: MAG B660M BAZOOKA DDR4Verified Purchase

Top reviews from other countries

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Aaron
5.0 out of 5 stars Great Motherboard For A Great Price
Reviewed in Canada on August 24, 2022
Size: mATXStyle: PRO B660M-A DDR4Verified Purchase
9 people found this helpful
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MIKEM
5.0 out of 5 stars Llego un poco tarde, pero la espera valió la pena!!
Reviewed in Mexico on August 6, 2022
Size: ATXStyle: MAG B660 TOMAHAWK EVA e-PROJECTVerified Purchase
One person found this helpful
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Marian Alexandru valentin
5.0 out of 5 stars Bella scheda
Reviewed in Italy on November 14, 2023
Size: mATXStyle: MAG B660M BAZOOKA DDR4Verified Purchase
Pankaj Singh
5.0 out of 5 stars Killer motherboard
Reviewed in India on May 20, 2023
Size: mATXStyle: PRO B660M-P DDR4Verified Purchase
2 people found this helpful
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Sergej
5.0 out of 5 stars Decent Mainboard for a decent price
Reviewed in Germany on January 22, 2023
Size: mATXStyle: PRO B660M-A DDR4Verified Purchase