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Description
MSI MAG B550M MORTAR Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATXThe MSI MAG B550M Mortar is a premium Micro ATX motherboard built for serious gaming and high performance content creation. Grounded in the AMD B550 chipset and equipped with an AM4 socket, this board delivers the modern features you need for a fast, stable system without sacrificing space or airflow in smaller cases. Designed to conquer demanding titles and multitasking workloads, the Mortar blends rugged durability with a streamlined, user friendly
The MSI MAG B550M Mortar is a premium Micro-ATX motherboard built for serious gaming and high-performance content creation. Grounded in the AMD B550 chipset and equipped with an AM4 socket, this board delivers the modern features you need for a fast, stable system without sacrificing space or airflow in smaller cases. Designed to conquer demanding titles and multitasking workloads, the Mortar blends rugged durability with a streamlined, user-friendly experience—from easy installation to intuitive BIOS tuning and robust cooling solutions. Whether you’re building a compact Ryzen-powered gaming rig or a capable workstation, the MAG B550M Mortar offers the reliability and performance to keep every component glued to the top of its game.
- Performance-driven VRM and cooling: Engineered with a sturdy power delivery system and heat dissipation design, the MAG B550M Mortar keeps voltage stable under load, enabling smooth overclocking headroom for supported CPUs. The integrated cooling solution includes well-placed heatsinks and an optimized layout to manage heat during long gaming sessions or GPU-heavy workloads.
- Advanced storage and expansion: Dual M.2 slots with cooling protection ensure fast NVMe SSD performance, while six SATA ports provide ample data storage options for games, media, and backups. The PCIe 4.0-ready PCIe x16 slot supports modern GPUs, and additional PCIe lanes from the chipset handle other add-on cards with ease.
- Comprehensive connectivity: Expect fast USB access with USB 3.2 Gen 2 support for peripherals and storage devices, along with reliable wired networking for low-latency online gaming and smooth file transfers. Built with a focus on compatibility, this motherboard supports a wide range of hardware configurations and peripherals.
- Premium audio and gaming features: The board includes dedicated audio features designed for immersive sound, with high-quality audio capacitors and isolation for cleaner, crisper in-game dialogue, music, and voice chat. Audio Boost and related enhancements deliver a richer, more accurate soundstage for an edge in competitive play or cinematic experiences.
- Solid build and future-proofing for Ryzen: The MAG Mortar’s micro-ATX footprint fits a wide array of cases, from compact builds to mid-tower setups. Durable components, extensive BIOS options, and MSI’s software ecosystem enable easy tuning, monitoring, and updates, helping you extend the life of your motherboard as new Ryzen CPUs and features emerge.
Technical Details of MSI MAG B550M Mortar
- Form Factor: Micro-ATX
- Chipset: AMD B550
- Socket: AM4
- Memory: 4 x DIMM, DDR4, up to 128 GB, commonly rated for speeds up to DDR4-4400+(OC)
- Expansion Slots: 1 x PCIe 4.0/3.0 x16 (GPU), 2 x PCIe 3.0 x1
- Storage: 2 x M.2 slots, 6 x SATA III
- Networking: 1 x LAN (RJ-45)
- Audio: Realtek High Definition Audio with dedicated Audio Boost features
- USB: USB 3.2 Gen 2 support for rear I/O; front-panel USB headers supported
- Special Features: M.2 Shield FROZR (drive cooling), enhanced VRM and heatsink design, BIOS Flashback capability for easy updates
How to Install MSI MAG B550M Mortar
- 1. Prepare your workspace and components: gather the MSI MAG B550M Mortar, a compatible Ryzen CPU, memory modules, a power supply, and your chosen SSD/HDD. Ensure you have an anti-static mat or wrist strap to protect sensitive electronics.
- 2. Install the CPU: lift the socket lever, align the CPU with the AM4 socket using the notches on the processor, lower it gently, and secure the latch. Apply thermal paste if your cooler requires it, or attach a stock cooler if provided with pre-applied paste.
- 3. Install RAM: insert memory modules into the appropriate DIMM slots, ensuring the notch aligns with the slot indicator. Press firmly until the latches click into place.
- 4. Mount the motherboard: place the MAG Mortar into your PC case, aligning it with the rear I/O shield and case standoffs. Secure the board with the appropriate screws, ensuring it sits flat.
- 5. Connect power and cooling: attach the 24-pin ATX power connector and the 8-pin CPU power connector (or 4+4-pin, depending on your PSU). Install your CPU cooler and connect its fan header to the CPU fan header on the motherboard.
- 6. Install storage and expansion cards: insert your NVMe SSDs into the M.2 slots with the proper screws, then install any additional PCIe devices (like a GPU) into the PCIe x16 slot. Attach SATA drives to the SATA ports as needed.
- 7. Connect front panel and peripherals: attach the case’s front-panel connectors (power switch, reset, power LED, HDD LED) and USB headers to the corresponding motherboard pins. Connect case fans to the fan headers for cooling, and connect the rear I/O devices (keyboard, mouse, monitor) to the appropriate ports.
- 8. BIOS setup and updates: power on and enter the BIOS to configure boot order, XMP/DOCP memory profiles, fan curves, and any overclocking settings you plan to apply. If a BIOS update is recommended, use BIOS Flashback or the MSI software utility to apply it safely.
- 9. Install an operating system: with the system configured, install your preferred OS and drivers. Keep chipset, audio, LAN, and graphics drivers up to date to ensure maximum performance and stability.
Frequently asked questions
- Q: What CPU generations are supported by the MSI MAG B550M Mortar? A: It supports AMD Ryzen processors that fit the AM4 socket, including 3rd and 4th generation Ryzen CPUs with BIOS compatibility updates. Always check the latest MSI CPU support list for your exact model.
- Q: Does this motherboard support PCIe 4.0? A: Yes. The motherboard is built on the AMD B550 platform and provides PCIe 4.0 readiness for the primary PCIe slot and M.2 slots, enabling faster GPUs and NVMe storage where supported by the CPU and chipset.
- Q: How many RAM slots does it have and what is the maximum memory? A: It has 4 DIMM slots supporting up to 128 GB of DDR4 memory, with OC capabilities for higher speeds depending on memory modules and CPU compatibility.
- Q: Is there M.2 cooling on this board? A: Yes, the MAG B550M Mortar features an M.2 Shield FROZR cooling solution to help maintain NVMe drive temperatures during heavy I/O workloads and prolonged gaming sessions.
- Q: What kind of audio is on board? A: The board includes high-quality HD audio with dedicated audio components to improve clarity and reduce interference, delivering a richer gaming and media experience.
- Q: Can I install multiple GPUs or high-speed accessories? A: The board provides PCIe x16 for a GPU and additional PCIe slots for expansion cards. For multi-GPU configurations, verify that your CPU and BIOS support the setup and that you have adequate PSU and cooling for the entire system.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
1 Year Later....Still going Great
Color: Black
Ok, I have had this keyboard since June 28, 2015 and today is July 4th, 2016.
Having thought about this keyboard over the last year and then swapping it out for a standard Dell (non ergonomic) keyboard for the last two weeks has made me realize a few and not so few obvious things:
1) Footprint of ergonomic keyboard on desk is larger than most that I can recall. Not a con but keep that in mind if your computer desk is on the smaller side
2) Build Quality. You buy a top tier (Microsoft, Dell, Lenovo, HP, etc) business OR retail keyboard for a decent price, one EXPECTS minimal issues. There are two issues that have cropped up over the course of the last year: a couple of the tabs holding the snap on palm rest have broken off. The palm rest/riser plastic piece is still firmly attached. My guess is that these plastic clips were put in high stress areas. No loss in functionality. The CAPS LOCK LED light that is in the middle doesn't really work anymore. If I hit the caps lock with my left pinkie finger, the light doesn't come on. If I smash the same caps lock with my thumb or index finger, the light comes on and then goes out. Windows 10 always tells me via the popup message if my caps lock is on. No loss in functionality.
3) Key labels have not worn off. The letters are a bit faded but are still clear. The number row above the keys are virtually pristine (and by extension are used for the comparison of the letter keys).
4) This is a very good ergonomic keyboard. Within a couple of days of the swap, my wrist and left finger were starting to have that familiar hurt.
I could go on and on about the specifics that some have posted in other reviews, but I feel that this is relevant to my use after a full year
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Reviewed in the United States on July 4, 2016
★★★★★ 1
IMHO: Expensive torture for thumb, hand, and arm
Color: Black
I should have paid more attention to the clearly reasoned (and IMHO *accurate*) negative reviews. After about one week of not-very-intense use I had to stop using this apparently well made but horribly designed keyboard. The use of my right hand and arm became painful. There were three main problems:
#1 The amount of thumb pressure required to actually register the "space" key was way too much to type with any comfort or confidence. Even if I concentrated on always striking the space key so that a space would be inserted into the text or computer code where needed, I found that about 1-in-12 or 1-in-14 attempted spaces would not be inserted. It is terrible that part of one's brain must focus on striking the space key with heavy force; it is even worse that one must proof read each page of text or code to ensure that spaces have been inserted where needed.
#2 The space key is intrinsically badly designed anyway, because one wants this key to be equally welcoming to both the left and right thumbs. It isn't. I found that my right thumb worked best, requiring unnatural contortions to ensure spaces were inserted where needed.
#3 In general, I found that the $10 keyboard Dell included with my latest XPS desktop requires a more comfortable amount of force for ALL of the keys, not just the space key. This could be because the Microsoft Ergonomic Keyboard 4000 for Business requires greater downward movement of the keys for a stroke to be registered.
Problems #1 and #2 are so severe that I found this keyboard simply unusable. This is quite an indictment for a way-above-average-cost keyboard that is allegedly designed and built with proper ergonomics in mind. I am astounded that so many users find this a comfortable keyboard. By the way, during more than half of my PC and computer keyboard use, which dates back to the late 1970s, I have actually used (and preferred) Logitech and especially Microsoft ergonomic keyboards. This is the first ergonomic keyboard I have ever used that I have found to be a thinly disguised implement of torture for thumb, hand, and arm.
I now have some appreciation for the feelings of the other one-star and two-star reviewers when they read the patronizing remarks of the many keyboarders who find this device comfortable. Some seem to pooh-pooh (usually in patronizing terms) those of us who find this one of the most wretched keyboards we have ever encountered. It is a little hard to believe we sufferers happened to receive slightly defective devices. The complaint I offer can be found too often in the reviews for our complaint to occur as a result of a minor or rare manufacturing defect.
On the plus side, the build quality appears to be terrific.
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Reviewed in the United States on November 10, 2013
★★★★★ 5
High quality stand
Style: Swivel Base, Color: Silver, Style: Swivel Base, Color: Silver
The mStand 360 is an amazing stand. I love how it is built from a single piece of aluminum and looks amazing on my desk. It fits my Macbook Pro 15" extremely well and raises it up to the height of my monitor easily. Not only does it help me improve my posture, but it also neatens up my desk significantly. I can easily fit an external keyboard under my Macbook when I am not using it, clearing up space. The hole in the back is also useful for bunching cables together that go directly into my Macbook, keeping my cables off the floor when I take my Macbook to go somewhere.
The stand feels very stable, with no chance of my Macbook falling off. The aluminum C shape does have a slight bend on it if you put extra weight on it, but all in all, it feels very sturdy. The rubber padding on the stand also keeps the stand from scraping or damaging any part of my laptop and I feel very comfortable trusting the stand with my laptop. I would not recommend typing on a laptop keyboard while it is on the stand, but it works great with external keyboards.
The swivel feature met my expectations, allowing the laptop to be easily turned. Thankfully, it was not too easy to turn and my laptop does not turn itself when in the stand. It is a nice feature to have, especially because I paid only 5$ extra for it (the price for the swivel stand seems to have increased since then).
I am very happy with my purchase, even though it did seem a little expensive. I am wholly satisfied that I spent the extra 20$ to get a great laptop stand that will probably last for years.
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Reviewed in the United States on August 18, 2016
★★★★★ 5
This stand is just perfect!
Style: Swivel Base, Color: Space Gray
I first started looking at stands when I learned that staring at a laptop for hours can cause back injuries.
So, I got the idea to use a stand, at home. This stand allows me to have a keyboard and mouse and use my laptop as a glorified desktop with a smaller monitor.
I was astonished at the quality of this stand. It is better built than it needs to be, but I am not complaining at all about this. Let's face it, we spend a lot of money on our laptops, and you want to have a great platform to sit your laptop on.
I love the ability to swivel the stand. My desk is very close to a window that lets in a lot of the sun at certain times of days. This would result in a glare if not for the ability to spin my computer ever so slightly in either direction to combat this problem.
Also, it is a great cable manager with the hole on the back of the stand that makes everything look cleaner and more organized. The color matches my MacBook perfectly and looks like it is an Apple product.
Summary:
Great product. High quality. Looks great. Swizel is impressive and useful.
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Reviewed in the United States on April 18, 2018
★★★★★ 5
Perfect stand for your Apple products
Style: Swivel Base, Color: Silver
I loved the look and design of this stand so much that I bought two of them, one for my work office and one for my home office. I have a 13" Macbook Pro and the screen sits at the perfect height for me. I do not feel like I am straining my neck looking down at my computer screen anymore. At both my work and home offices I have Apple display monitors, so now my laptop screen is inline with my monitors, AND matches their bases, which is very nice.
The keyboard is at a nice angle and isn't too high off the desk if you need to use the trackpad or keyboard. However, I recommend using a secondary keyboard and mouse. The keyboard sits about 4" off the desk so there is room to store your secondary keyboard and mouse underneath the stand. But because it is 4" off the desk, it makes it uncomfortable to type on the laptop or use the trackpad for an extended period of time.
The cord keeper hole in the back of the stand is a nice touch, however if your cords are too tight, it will rotate your stand. The swivel is a nice touch, but it is somewhat sensitive. So far no accidental bumps have irritated me, which was one of my concerns before I purchased. All-in-all I would recommend this product to anyone who uses their laptop with a secondary display, regardless of if you use Apple products or not. It is a well made stand and looks good, and seems like it will accommodate most laptops (within the manufacturers guidelines).
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Reviewed in the United States on September 18, 2013
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