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Product Code: MTHO-134
MPN #: A520M-A PRO
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.
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.
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.
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.
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.
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.
PCB WITH 2OZ THICKENED COPPER
An enhanced PCB design with 2oz thickened copper increases conductivity, improving heat dissipation and performance reliability especially during overclocking.
A HUGE STEP OF DDR PERFORMANCE
MSI OC LAB does not merely work hard on extreme overclocking. Compared to A320 motherboard memory A-XMP profile, MSI does have great improvement on performance and efficiency for A520 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.
| Processor | |
| Maximum number of SMP processors | 1 |
| Compatible processor series | AMD Ryzen 3000 Series |
| Processor socket | Socket AM4 |
| Processor manufacturer | AMD |
| Memory | |
| Unbuffered memory | Yes |
| Maximum internal memory | 64 GB |
| Supported memory clock speeds | 1866,2133,2400,2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz |
| ECC сompatibility | ECC & Non-ECC |
| Memory channels | Dual-channel |
| Memory slots type | DIMM |
| Number of memory slots | 2 |
| Supported memory types | DDR4-SDRAM |
| Storage controllers | |
| RAID levels | 0, 1, 10 |
| RAID support | Yes |
| Number of HDDs supported | 5 |
| Supported storage drive interfaces | PCI Express 3.0, SATA |
| Supported storage drive types | HDD & SSD |
| Graphics | |
| Number of displays supported | 2 |
| Maximum resolution | 4096 x 2160 pixels |
| On-board graphics card | No |
| Internal I/O | |
| Chassis intrusion connector | Yes |
| Number of chassis fan connectors | 2 |
| CPU fan connector | Yes |
| ATX Power connector (24-pin) | Yes |
| Front panel connector | Yes |
| Front panel audio connector | Yes |
| Number of Parallel ATA connectors | 0 |
| Number of SATA connectors | 0 |
| Number of SATA II connectors | 0 |
| Number of SATA III connectors | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 0 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| USB 2.0 connectors | 2 |
| Rear panel I/O ports | |
| Microphone in | Yes |
| Headphone outputs | 1 |
| DVI-D ports quantity | 1 |
| HDMI ports quantity | 1 |
| Firewire (IEEE 1394) ports | 0 |
| VGA (D-Sub) ports quantity | 0 |
| PS/2 ports quantity | 0 |
| eSATA ports quantity | 0 |
| Ethernet LAN (RJ-45) ports | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 0 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 0 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 2.0 ports quantity | 2 |
| Network | |
| Wi-Fi | No |
| LAN controller | Realtek RTL8111H |
| Ethernet interface type | Gigabit Ethernet |
| Ethernet LAN | Yes |
| Features | |
| Number of mounting holes | 8 |
| Product colour | Black |
| Audio output channels | 7.1 channels |
| Audio chip | Realtek ALC892 |
| Motherboard chipset | AMD A520 |
| Motherboard chipset family | AMD |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Expansion slots | |
| Number of M.2 (M) slots | 1 |
| PCI Express x16 (Gen 3.x) slots | 1 |
| PCI Express x1 (Gen 3.x) slots | 1 |
| Logistics data | |
| Harmonized System (HS) code | 84733020 |
| Weight & dimensions | |
| Height | 60 mm |
| Depth | 200 mm |
| Width | 236 mm |
| Other features | |
| Maximum internal memory | 64 GB |
| Weight | 698 g |
| mSATA ports quantity | 0 |
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We are retiring PICOPC Products MNHO-073, MNHO-048 and MNHO-043 and they have reached EOL (End Of Life) as we are introducing new products with better technology. We would recommend you to look into MNHO-095. For Untangle, pfSense, OPNsense, Windows 11, Proxmox VE etc. we recommend MNHO-095 whereas for Sophos, Kerio Control and Endian, we would recommend MNHO-069. (A complete list of supported OS can be found in each product's listing)