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Review Summary
Extend coverage on pre-owned products after the retailer warranty ends and protect photo & video gear from accidental damage with Adorama Protect.
If we can’t fix it, we’ll replace it at no additional cost.
Coverage for pre-owned gear begins after the retailer warranty ends, plus accidental damage protection for photo/video gear that starts on day one.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for International and U.S. territories purchases. Plans on pre-owned items do not cover pre-existing damages.
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AMD Socket AM4
Support 3rd Gen AMD Ryzen Desktop Processors and AMD Ryzen4000 G-Series Desktop Processors
AMD B550 Chipset
Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC
Supports DDR4 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400/ 4600+ MHz by A-XMP OC Mode
Dual
2
64
1
Gen4 / Gen3
1
4
1
1
1x Realtek RTL8111H Gigabit LAN
1x Realtek RTL8111H Gigabit LAN
Front: 2(Gen 1, Type A)
Rear: 4(Gen 1, Type A)
Front: 4
Rear: 2 (Type A)
1
Realtek ALC892/ALC897 Codec
1
1
12
MATX
Support for Windows 10 64-bit
2x DDR4 memory slots, support up to 64GB
Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC
Supports DDR4 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400/ 4600+ MHz by A-XMP OC MODE
1DPC 1R max speed 4600 MHz
1DPC 2R max speed 3866 MHz
Dual channel memory architecture
Supports non-ECC UDIMM memory
Supports ECC UDIMM memory (non-ECC mode)
Supports un-buffered memory
1x PCIe 3.0 x1 slot
1x PCIe 4.0/3.0 x16 slot
1x HDMI 2.1 port, supports a maximum resolution of 4096x2160 @60Hz
1x DVI-D port, supports a maximum resolution of 1920x1200@60Hz
Maximum shared memory of 16 GB
AMD B550 Chipset
4x SATA 6Gb/s ports
1x M.2 slot (Key M) (from AMD Processor)
Supports PCIe 4.0/ 3.0
Supports SATA 6Gb/s
Supports 2242/ 2260/ 2280 storage devices
Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
AMD B550 Chipset
2x USB 3.2 Gen 1 5Gbps ports are available through the internal USB 3.2 Gen 1 5Gbps connector
6x USB 2.0 ports (2 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors)
AMD Processor
4x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel
Realtek ALC892/ALC897 Codec
7.1-Channel High Definition Audio
1x 24-pin ATX main power connector
1x 4-pin ATX 12V power connector
4x SATA 6Gb/s connectors
1x M.2 slots (M-Key)
1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
2x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
1x 4-pin CPU fan connector
1x 4-pin system fan connectors
1x Front panel audio connector
2x System panel connectors
1x Chassis Intrusion connector
1xTPM module connector
1x Clear CMOS jumper
LAN port
HDMI
DVI-D
Keyboard / Mouse
USB 3.2 Gen 1 5Gbps Type-A
USB 3.2 Gen 1 5Gbps Type-A
USB 2.0 Ports
Audio Connectors
A520M-A Pro
8 mounting holes
Micro-ATX Form Factor
9.3 x 7.9" (23.6 x 20cm)
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.
4K Support
Onboard HDMI suppprts upto 4K UHD resolution
Audio Boost
Reward your ears with studio grade sound quality for the most immersive gaming experience
2oz Thickened Copper
An enhanced PCB design improves heat dissipation and performance reliability
Core Boost
With Premium layout and digital power design to support more cores and provide better performance
DDR4 Boost
The fully isolated DDR circuit to deliver pure data signals for the best performance and stability
Lightning Gen 4 Solution
The latest Gen 4 PCI-E and M.2 solution with up to 64GB/s bandwidth for maximum transfer speed.
User Friendly Design
MSI motherboards feature tons of convenient and smart design for DIY users, countless system tuning and troubleshooting tools are at your disposal to push your system to new heights and satisfy even the most demanding tweaker. Makes it so easy to install your own motherboard without any issue.
Cooling
Fully Fan Control
Fully Controllable In Bios and Software
MSI motherboards let you manage speeds and temperatures for all your system and CPU fans. Total Fan Control allows you check your primary system characteristics in a simplified graphical interface. You can also set up to 4 temperature targets for CPU and motherboard, which will adjust the fan speeds automatically.
Design
EZ Debug LED
Run into trouble? Onboard LEDs for key components will indicate the source of the problem so you know exactly where to look to get up and running again.
XL Clip
The enlarged PCI-E clip helps you swap or remove your devices easier. Keep the PCI-E slot stronger and safer.
Compatibility
RyzenTM 3000 & 4000 G-Series Processors Support
Extreme Stability & Compatibility Testing For Memory
Windows 10 Certified
Reliable Componenets
Steel Armor
Fortify Your System With PCI-E Steel Armor
MSI PCI Express Steel Armor slots are secured to the motherboard with extra solder points and support the weight of heavy graphics cards. When every advantage in games counts, Steel Armor shields the point of contact from electromagnetic interference.
Double ESD Protection
Ultimate Motherboard Protection
Double ESD protection doubles up the grounding layer around the mounting holes, preventing static discharge surges from damaging the motherboard.
Connectivity
The most important thing of DIY is expandability. MSI PRO series motherboards feature plenty possibility for prosumers' need. Stable LAN, faster storage and USB transfer speed and other expandable connectors are ready to enlarge your flexibility.
Storage
Overview
Fast and Future-Ready Storage
MSI PRO series motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Higher efficiency makes your work easier.
Lightning GEN 4 M.2
Utilizing 3rd Gen Ryzen processors, MSI B550 motherboards feature latest Lightning Gen 4 M.2 which is the fastest onboard storage solution on the market with up to 64 Gb/s transfer speed.
USB
USB 3.2 GEN 1
Transfer lots of data, music and movies over USB easier. USB 3.2 ports are ready in both front and rear IO, provides wide variety of options to connect your USB 3.2 devices.
Experience More
MSI PRO series motherboards are designed to satisfy any professional workflow. Elevate your listening pleasure and enjoy extreme sound quality. Moreover, with years of experience in creating performance enhancing tools that are easy to use, only the highest quality applications are at your disposal. The extensive features let you fine-tune your system to deliver reliable maximum performance.
Performance
2oz Thickened Copper
PCB with 2oz Thickened Copper
An enhanced PCB design with 2oz thickened copper increases conductivity, improving heat dissipation and performance reliability especially during overclocking.
Lightning GEN 4 PCI-E
MSI lightning Gen 4 PCI-E is the latest and the fastest PCI-E data transfer solution with 64GB/s of unidirectional transfer bandwidth that has doubled compared to its previous generation. PCIe 4.0 maintains both backward and forward compatibility with older and newer specifications. Optimized by steel armor design and server grade PCB, you can enjoy next-gen devices without any compromise.
DDR4 Boost & A-XMP
A Huge Step Of DDR Performance
MSI OC LAB does not merely work hard on extreme overclocking. Compared to B450 motherboard memory A-XMP profile, MSI does have great improvement on performance and efficiency for B550 motherboards. Easy to enable A-XMP profile with auto power settings to get the best memory speed and stability.
Core Boost
Core Boost technology combines MSI's premium layout and optimized power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. Not only supporting multi-core CPU, also creating the perfect conditions for your CPU overclocking.
Audio
Audio Boost
Dedicated High Definition Audio Processor
Make sure you enjoy the purest sound quality in both stereo and surround sound.
High Quality Audio Capacitors
A high fidelity sound experience with exceptional acoustics and realism for studio level headphones is ensured.
HD Audio Connectors
Keep you sound perfect by transmit your aduio with pure digital signal.
Isolated Audio Signal
Isolated Audio Design
Like a dedicated sound card, audio components and circuits have been laid on a reserved motherboard section and electrically isolated.
Separated Audio Layers for Clean Left & Right Channels
Using separated layers in the PCB ensures equally pristine sound quality for both left and right audio channels.