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ASUS Prime B350M-A/CSM AMD Ryzen AM4 DDR4 HDMI DVI VGA M.2 USB 3.1 mATX B350 Motherboard

4.6 4.6 out of 5 stars 928 ratings

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Micro ATX
PRIME B350M-A/CSM

About this item

  • Powered by AMD Ryzen AM4, 7th generation Athlon and HD 2000 series processors to maximize connectivity and speed with NVMe M.2, USB 3.1, DDR4 and Gigabit LAN as well as COM header and PS2 ports for legacy needs
  • ASUS Corporate Stable Model complimentary Advance Replacement and long lifecycle
  • 5X Protection III Hardware-level safeguards provide component longevity and reliability
  • Specially designed fan RGB header to support multi-color CPU fan LED strips
  • Patent-pending SafeSlot Core fortified PCIe slot prevents damage caused by heavyweight GPUs
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What's in the box

  • Prime B350M-A/CSM
  • Serial ATA 6.0Gb/s cables(2)
  • I/O shield
  • M.2 screw package
  • User's manual
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    ASUS Prime B350M-A/CSM AMD Ryzen AM4 DDR4 HDMI DVI VGA M.2 USB 3.1 mATX B350 Motherboard
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    PriceCurrently unavailable.-10% $71.99
    List:$79.99
    $99.99$189.99-10% $71.99
    Typical:$79.99
    -12% $74.99
    List:$84.99
    Delivery
    Get it as soon as Sunday, Mar 24
    Get it as soon as Sunday, Mar 24
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    Customer Ratings
    Tech Support
    4.1
    3.9
    3.2
    4.8
    2.9
    4.1
    For gaming
    4.1
    3.7
    4.7
    3.3
    4.3
    Value for money
    4.5
    4.2
    3.7
    4.2
    Easy to install
    4.5
    4.4
    4.2
    4.5
    Quality of material
    4.4
    3.5
    4.5
    3.7
    Sold By
    Amazon.com
    Amazon.com
    Skyline Outlet
    JMK INC
    RAIDEALS
    platform
    windows 10
    windows 10
    windows 11, windows 10
    windows 10
    playstation 5
    windows
    cpu socket
    Socket AM4
    Socket AM4
    LGA 1700
    Soquete AM4
    LGA 1151
    Socket AM4
    memory slots
    4
    4
    2
    4 slots de memória
    2
    4
    memory capacity
    32 GB
    128 GB
    64 GB
    128 GB
    2048 MB
    64 GB
    compatible processors
    AMD Athlon
    AMD 1st Gerenration Ryzen
    Intel Celeron, Intel Pentium Gold
    AMD 3rd Generation Ryzen
    AMD Athlon
    AMD 3rd Generation Ryzen, AMD 2nd Gerenration Ryzen, AMD Athlon
    card interface
    pci e
    integrated
    pci e
    integrated, agp
    pci e
    integrated

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    Product Description

    Powered by AMD Ryzen AM4 processors, the ASUS Prime B350M-A/CSM delivers performance and reliability in microATX form with ASUS Corporate Stable Model complimentary advance replacement and guaranteed long product lifecycle. Access next-generation connectivity and speeds with NVMe M.2, USB 3.1, DDR4 support and Gigabit LAN.

    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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    ASUS Prime B350M-A/CSM AMD Ryzen AM4 DDR4 HDMI DVI VGA M.2 USB 3.1 mATX B350 Motherboard


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    Product guides and documents


    From the manufacturer

    Overview

    Powered by AMD Ryzen AM4 processors, the ASUS Prime B350M-A/CSM delivers performance and reliability in microATX form with ASUS Corporate Stable Model complimentary advance replacement and guaranteed long product lifecycle. Access next-generation connectivity and speeds with NVMe M.2, USB 3.1, DDR4 support and Gigabit LAN.

    • Powered by AMD Ryzen AM4 and 7th generation Athlon processors
    • 5X Protection III
    • Specially designed fan RGB header to support multi-color CPU fan LED strips
    • Patent-pending SafeSlot Core

    Built to Last

    Prime B350 series motherboards are engineered with one of the industry-leading 5X Protection III, employing the finest components, excellent circuit design, and exacting standards to guarantee the quality and long-term durability of your motherboard.

    Features

    Brighten Up Your Build

    Built-in LED lighting options can illuminate your build in a variety of mesmerizing styles. With specially-designed Fan RGB header control, you can even personalize your own fan lighting scheme with the exclusive AMD RGB Fan.

    Optimized Cooling

    Exclusive Fan Xpert ensures every fan achieves one of the best balance of cooling performance and low noise - and with Prime B350 series boards and their hardware-level 4-pin/3-pin PWM/DC mode for case fans, a simple BIOS adjustment lets you run your case fan in PWM/DC.

    SafeSlot Core

    Featuring a fortified design that's anchored to the motherboard by a special hook, Safeslot Core provides 1.6x stronger retention and 1.3x greater shearing resistance.

    ROG Crosshair VI Hero ASUS Prime X370-PRO ASUS Prime B350-PLUS ASUS Prime B350M-A/CSM
    Customer Reviews
    4.3 out of 5 stars
    376
    4.2 out of 5 stars
    460
    4.4 out of 5 stars
    545
    4.6 out of 5 stars
    928
    CPU Socket AMD AM4 AMD AM4 AMD AM4 AMD AM4
    Chipset AMD X370 AMD X370 AMD B350 AMD B350
    Form Factor ATX ATX ATX mATX
    Memory Slots 4 x DIMM; Max. 64GB DDR4 4 x DIMM; Max. 64GB DDR4 4 x DIMM; Max. 64GB DDR4 4 x DIMM; Max. 64GB DDR4
    Maximum Frequency 3200MHz (OC) 3200MHz (OC) 3200MHz (OC) 3200MHz (OC)
    Graphics Output N/A HDMI/DP HDMI/DVI/RGB HDMI/DVI/RGB
    PCIe 3.0 x16 2 x PCIe 3.0/2.0 x16 (x16 or dual x8) 2 x PCIe 3.0/2.0 x16 (x16 or dual x8) 1 x PCIe 3.0/2.0 x16 1 x PCIe 3.0/2.0 x16
    M.2 1 x 22110 (PCIe 3.0 x4 & SATA) 1 x 22110 (PCIe 3.0 x4 & SATA) 1 x 22110 (PCIe 3.0 x4 & SATA) 1 x 22110 (PCIe 3.0 x4 & SATA)
    USB 3.1 3 ports @ PCIe 3.0 x2: Front: x1 Type-C Rear: x2 Type-A 3 ports @ PCIe 3.0 x2: Front: x1 Type-C Rear: x2 Type-A 2 ports @ PCIe 3.0 x2: Rear: x2 Type-A 2 ports @ PCIe 3.0 x2: Rear: x2 Type-A
    ASUS Aura Sync RGB Lighting Yes Yes (with 1 AURA RGB Strip Header) Yes Yes

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    928 global ratings

    Customers say

    Customers like the quality, performance, ease of installation, appearance and color of the motherboard. They mention that the build quality felt good, it runs well in their setup and that the UEFI BIOS is easy to use. They also appreciate the bling and the color of this motherboard.

    AI-generated from the text of customer reviews

    115 customers mention84 positive31 negative

    Customers like the quality of the motherboard. They say that Asus makes good quality boards, the build quality felt good, and the system is rock solid. Overall, customers are satisfied with the quality and performance of the product.

    "...the amount of features this board offers, including its build quality is amazing...." Read more

    "...It's a lot of grey, but the heat sinks look great. Build quality felt good, but it's been so long since I built a computer that I didn't really have..." Read more

    "...Everything has been 100% stable throughout all my use. No blue screens or crashes...." Read more

    "...to get this GARBAGE flimsy metal shield in place before it completely fell apart like a crushed beer can that had been folded back and forth several..." Read more

    101 customers mention85 positive16 negative

    Customers like the performance of the motherboard. They mention that it looks nice, runs well in their setup, and is stable, not overheating, and has no issues. The xocp worked fine, and it works perfectly on Windows 10. The default settings have been working just fine, making it easy to overclock. The case and motherboard, but it worked right out of the box. The F motherboard is by far the best one to use, with a very easy setup process.

    "...The Good - This variant of the b350-F motherboard is by far the best one to use, has a very easy (and pretty) bios interface - overclocking on this..." Read more

    "...Easy to mount, everything worked neat from the first power on .Pro's:..." Read more

    "...This board overclocks fairly well, but the bios that comes on it definitely needs an update straight out of the box...." Read more

    "...Solved this by changing the sata plugs around. Overclocking cpu was easy. I have my Ryzen 5 1600 overclock to 3.8...." Read more

    61 customers mention50 positive11 negative

    Customers find the installation process of the motherboard to be easy. They mention that the UEFI BIOS is easy to use and navigate, and the front panel connectors are easy to hook up. Overall, customers are satisfied with the ease of installation of the product.

    "...variant of the b350-F motherboard is by far the best one to use, has a very easy (and pretty) bios interface - overclocking on this badboy is so..." Read more

    "...Easy to mount, everything worked neat from the first power on .Pro's:..." Read more

    "...I'm in day 3 of the build's testing. It was one of the easiest installs I've ever done...." Read more

    "...way around PCs but this is my first actual install of a mobo, and it was simple...." Read more

    55 customers mention55 positive0 negative

    Customers are satisfied with the appearance of the motherboard. They mention that it has nice looks, a pretty BIOS interface, and a subtle and tasteful bling. Some say that the bling is awesome.

    "...(and pretty) bios interface - overclocking on this badboy is so easy and straightforward that you..." Read more

    "...-Beauty BIOS UI, with a bunch of options and info.-RAM QLV is quite impresive, being compatible with most of the best RAM in the market...." Read more

    "...Still looks pretty and I don't care a lot about RGB stuff.*..." Read more

    "...The board has a simple, clean aethetic. RGB is limited and subtle. It's a lot of grey, but the heat sinks look great...." Read more

    38 customers mention28 positive10 negative

    Customers like the color of the motherboard. They mention they love the RGB lighting effects, the led lighting, and the 2 RGB headers. They say the board is affordable and has a decent amount of RGB. Customers also appreciate the Aura color control stuff, the sinks look fantastic, and that the RGB has worked flawlessly.

    "...For moderate overclocking, a plethora of ports and cool RGB lighting as well as multiple points for fan and AIO connections, i would highly..." Read more

    "...The board has a simple, clean aethetic. RGB is limited and subtle. It's a lot of grey, but the heat sinks look great...." Read more

    "...Pros:Affordable MotherboardSomewhat RGB on the motherboard itselfDecent amount of features (USB ports, HDMI)..." Read more

    "...This board has quite feature packed but not exactly a stand out...." Read more

    35 customers mention32 positive3 negative

    Customers appreciate the value of the motherboard. They mention it's a great value for money, a good bang for the price, and the performance bests the price.

    "...this model of B350-F vs the Prime Plus vs A370, this one offered the most bang for buck and had the complete list of features i needed along with..." Read more

    "...Ryzen CPUs do their own auto-turbo and XFR thing, it's a great product at a great price." Read more

    "...Other than that the board is pretty good.Pros:Affordable MotherboardSomewhat RGB on the motherboard itself..." Read more

    "...Great station for the price. He is very particular about his computer parts and did a lot of research before purchasing...." Read more

    24 customers mention13 positive11 negative

    Customers have mixed opinions about the motherboard. Some mention it's a high quality board, has 4 ram slots, and is compatible with the memory they want. They say that memory overclocking is pretty good, and they had no issue setting RAM to 3200 after initial BIOS update. However, others say that they had issues getting it to post due to RAM issues. They also say that the board has odd RAM support, and doesn't have a lot of RGB lighting.

    "...-Beauty BIOS UI, with a bunch of options and info.-RAM QLV is quite impresive, being compatible with most of the best RAM in the market...." Read more

    "...For starters, ram compatibility is... limited. If your having trouble booting, disable XMP until you get that update taken care of...." Read more

    "...Includes 4 SATA cables, so you can actually use the 4 SATA ports off the chipset plus an M.2 drive without having to buy extra SATA cables...." Read more

    "...Sure it only has two fans headers and only has space for one GPU...." Read more

    17 customers mention7 positive10 negative

    Customers are mixed about the port of the motherboard. Some mention that it has nice ports on it for drives, USB 3.1 ports, 4-pin PWN fan connectors, plenty of headers for, and that most ports were easy to access. Others say that the mic input and faulty USB ports, hard to reach SATA ports, one of the ram ports does not work, and the lack of a USB Type C port is the only thing going against this board. Others complain that the LAN port was defective, and x1 slots do not work at all.

    "...The lack of a USB Type C port is the only thing going against this board, other than that i am extremely glad with my purchase and do not regret it..." Read more

    "...The usb 3.1 ports are nice, but a type c port wouldn't cost more if they just used it instead of the second 3.1 port...." Read more

    "...There is no USB type C in the back, but your case might have one in the side or front. (remember USB type C is a form factor not speed factor)..." Read more

    "...The included M.2 slot, USB 3.1 ports, multiple PCIe slots, and even a little RGB lighting...." Read more

    By far the best Processor in terms of money/value in the market
    5 Stars
    By far the best Processor in terms of money/value in the market
    After almost 20 years dealing with Intel and their processor, I always was an Intel fan. To make things worse, the only experience that I had with AMD (in combination with MSI and their very crappy motherboard by middle 2000) was nothing but frustration. Sempron's processor was a very bad experience to deal with AMD that I never wanted to deal with AMD...until now. With intel's abussive thing of makes customer changes their motherboard and myself lacking of power with an old (but great i5 3570), it was time to make a change to AMD with their Ryzenz that for what I've been hearing are awesome. So I gave it a try as well with this motherboard for a very recognize brand...and I wasn't wrong.Easy to mount, everything worked neat from the first power on .Pro's:-The conections are very well thought (helps a lot for cable management)-The M.2 Sata slot is well placed so It doesn't received negative air pressure from the GPU (like most of the motherboard at this price range)-Beauty BIOS UI, with a bunch of options and info.-RAM QLV is quite impresive, being compatible with most of the best RAM in the market.-THE LED (I was not into the lights thingies but after I saw it well combine with my STRIX GTX 1060, I fall in love)Con's-If you have a Windows 7 licence and you want to upgrade to W10 with the licence you purchased, it's going to be unconfortable to do it at the begining. As most of you might do, to boot Windows 7 you will need a USB memory (by this time is odd to find anyone who use DVD ROM) and at the time to boot up the USB Stick, this motherboard won't recognize any USB device connected to it. ASUS is well awared of the situation so they upload to their support page for this board a software (ASUS EZ Installer for Windows 7 64-Bits) that combine your Windows 7 ISO with the drivers for this MoBo so as soom you boot it up, your mouse and keyboard works just fine. In my case (and most of you that don't have a External DVD ROM) you can simulate your Win7 ISO with a 3rd party software (Virtual CloneDrive) and from the ASUS EZ installer you can combine both drivers and WIN 7 ISO and then do your thing and boot your WIN7 Stick and install.And yes...that was my only con for this Motherboard, that I won't reflect in my final score (tho was very frustrating because I had to do my own research).Other than that, I am very satisfied with this MoBo.PD: Yeah, I was kind of scare due some bad comments/reviews from other people, but all this time, ASUS for me have been a very good company, and any of their products have worked perfect for me (Monitor, Motherboard, GPU) by the time of this review so I gave it a try and I don't regreat.
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    Top reviews from the United States

    Reviewed in the United States on October 12, 2017
    Size: ATXStyle: ROG Strix B350-F GamingVerified Purchase
    58 people found this helpful
    Report
    Reviewed in the United States on April 20, 2018
    Size: ATXStyle: ROG Strix B350-F GamingVerified Purchase
    Customer image
    5.0 out of 5 stars By far the best Processor in terms of money/value in the market
    Reviewed in the United States on April 20, 2018
    After almost 20 years dealing with Intel and their processor, I always was an Intel fan. To make things worse, the only experience that I had with AMD (in combination with MSI and their very crappy motherboard by middle 2000) was nothing but frustration. Sempron's processor was a very bad experience to deal with AMD that I never wanted to deal with AMD...until now. With intel's abussive thing of makes customer changes their motherboard and myself lacking of power with an old (but great i5 3570), it was time to make a change to AMD with their Ryzenz that for what I've been hearing are awesome. So I gave it a try as well with this motherboard for a very recognize brand...and I wasn't wrong.

    Easy to mount, everything worked neat from the first power on .

    Pro's:

    -The conections are very well thought (helps a lot for cable management)
    -The M.2 Sata slot is well placed so It doesn't received negative air pressure from the GPU (like most of the motherboard at this price range)
    -Beauty BIOS UI, with a bunch of options and info.
    -RAM QLV is quite impresive, being compatible with most of the best RAM in the market.
    -THE LED (I was not into the lights thingies but after I saw it well combine with my STRIX GTX 1060, I fall in love)

    Con's

    -If you have a Windows 7 licence and you want to upgrade to W10 with the licence you purchased, it's going to be unconfortable to do it at the begining. As most of you might do, to boot Windows 7 you will need a USB memory (by this time is odd to find anyone who use DVD ROM) and at the time to boot up the USB Stick, this motherboard won't recognize any USB device connected to it. ASUS is well awared of the situation so they upload to their support page for this board a software (ASUS EZ Installer for Windows 7 64-Bits) that combine your Windows 7 ISO with the drivers for this MoBo so as soom you boot it up, your mouse and keyboard works just fine. In my case (and most of you that don't have a External DVD ROM) you can simulate your Win7 ISO with a 3rd party software (Virtual CloneDrive) and from the ASUS EZ installer you can combine both drivers and WIN 7 ISO and then do your thing and boot your WIN7 Stick and install.

    And yes...that was my only con for this Motherboard, that I won't reflect in my final score (tho was very frustrating because I had to do my own research).

    Other than that, I am very satisfied with this MoBo.

    PD: Yeah, I was kind of scare due some bad comments/reviews from other people, but all this time, ASUS for me have been a very good company, and any of their products have worked perfect for me (Monitor, Motherboard, GPU) by the time of this review so I gave it a try and I don't regreat.
    Images in this review
    Customer image Customer image
    Customer imageCustomer image
    4 people found this helpful
    Report

    Top reviews from other countries

    Translate all reviews to English
    Luke P.
    5.0 out of 5 stars Amazing b350 motherboard in a market with limited choice
    Reviewed in Canada on April 8, 2019
    Size: ATXStyle: ROG Strix B350-F GamingVerified Purchase
    Customer image
    Luke P.
    5.0 out of 5 stars Amazing b350 motherboard in a market with limited choice
    Reviewed in Canada on April 8, 2019
    There aren't many b350 motherboards, and most people would tell you to get a b450/x470 or wait for 500 series motherboards. This is the an amazing competitor even to b450 motherboards, has 4+4 phase VRMs, good quality heatsinks, amazing looking IO with a bunch of USB ports, good neutral gun metal black finish, and I got an amazon warehouse deal for $107 cause of damaged packaging and bent manual. What a deal. Great buy, super satisfied. Overclocking on this is a breeze, OC to 3.6GHz easily on stock voltage. The BIOS is also amazing. I love ASUS, my last mobo was ASUS, my laptop is ASUS. It's become a brand I trust.
    Images in this review
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    Customer imageCustomer image
    JOMA
    5.0 out of 5 stars En apariencia una excelente calidad y funcionalidades.
    Reviewed in Mexico on February 8, 2018
    Size: ATXStyle: ROG Strix B350-F GamingVerified Purchase
    3 people found this helpful
    Report
    Harry Brear
    5.0 out of 5 stars Really nice motherboard
    Reviewed in the United Kingdom on January 11, 2019
    Size: ATXStyle: ROG Strix B350-F GamingVerified Purchase
    P.Singh
    5.0 out of 5 stars Five Stars
    Reviewed in India on March 28, 2018
    Size: ATXStyle: ROG Strix B350-F GamingVerified Purchase
    One person found this helpful
    Report
    赤忍者、黒霧島
    5.0 out of 5 stars 必要なものはほぼ揃っている
    Reviewed in Japan on November 25, 2017
    Size: Micro ATXStyle: PRIME B350M-A/CSMVerified Purchase
    2 people found this helpful
    Report