AMD A520 (Ryzen AM4) micro ATX motherboard with M.2 support, 1 Gb Ethernet, HDMI/DVI/D-Sub, SATA 6 Gbps, USB 3.2 Gen 2 Type-APrimeASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime A520 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.
ASUS Corporate Stable ModelASUS Corporate Stable Model (CSM) is a commercial program designed to provide stable and reliable motherboards. Offering up to 36-month product lifecycle support and 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center Express - server-grade IT management software.
* Lifecycle support for consumer chipsets (eg. Q370, H370, B360,H270,B250) is set at 15 months. Program offerings may vary by region. Please consult your local sales representative for more information.
ASUS Control Center ExpressASUS Control Center Express is an integrated IT monitoring and management software designed to deploy faster, simplify IT operations and improve productivity with comprehensive control and user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality, TCO-optimized solution for your business needs.
Optimize IT endpoint managementDesigned to assist IT staff in monitoring and controlling devices within their corporate networks, and facilitate inventory checking in multiple locations remotely
Automate IT maintenanceAllows IT staff to schedule automatic updates of the latest BIOS, software and utilities to specific or all devices at off-peak times, enhancing system stability and IT operational flexibility
Securely manage all of endpointsSecurely manage endpoint configuration, portable storage access and PC software applications by enabling them to create grouping rules on individual devices
Tune It Your WayComprehensive controls form the foundation of the ASUS Prime series. The Prime A520 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work – maximizing your productivity.
Cooler by DesignPRIME A520M-E is engineered with an array of hybrid fan headers and features comprehensive cooling controls that are configurable via Fan Xpert software or via the UEFI BIOS, ensuring your rig stays cool and stable under intense workloads.
Multiple Temperature SourcesEach header can dynamically reference three thermal sensors. Fan Xpert allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks.
Smart ProtectionA dedicated integrated circuit protects the fan header from overheating and overcurrent.
4-Pin PWM/DC FanThe onboard chassis fan header supports auto-detection of PWM or DC fan.
Build on a Solid FoundationPrime A520 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.
M.2 (up to 32 Gbps)
Achieve speed with onboard M.2M.2 Slot supports data-transfer speed up to 32Gbps via x4 PCI Express® 3.0 bandwidth. It‘s the perfect choice for an operating system or application drive, providing fast access to data.
Little Things Make a Big DifferencePrime A520 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive interface that let you customize your system to create a unique personal look.
Outstanding Audio
Combined onboard features deliver elevated audioIntelligent design and premium hardware create audio quality unlike anything you've ever experienced.
Audio ShieldingSeparates analog/digital signal domains, significantly reducing multi-lateral interference.
Separate Layer for Left and Right TracksEnsures minimal crosstalk between audio paths.
Premium Japanese CapacitorsPremium parts provide an immersive sound signature, with exceptional fidelity.
Armoury CrateArmoury Crate is a new software utility designed to give you centralized control of supported products, from a single intuitive interface. Armoury Crate provides control of settings for ASUS products, including keyboard and mouse preferences. This software even features dedicated product registration and highlight to help you stay in touch with the ASUS community.
SafeSlot Core
Fortified PCIe slot prevents damageSafeSlot Core is the ASUS-exclusive PCIe slot. 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 than standard expansion slots.
ASUS Prime motherboards have strengthened solder points around both the PCIe and DIMM pins.
Overvoltage Protection
World-class circuit-protecting power designAn exclusive circuit design with built-in voltage regulators to protect your motherboard from damage caused by unexpected high-level voltages from unstable or inferior power supplies.
DRAM Overcurrent Protection
Short-circuit damage preventionOnboard resettable fuses prevent overcurrent and short-circuit damage. This extends beyond I/O ports to DRAM to safeguard the lifespan of your system and connected devices.
Stainless-Steel Back I/O
3X corrosion-resistance for greater durabilityCorrosion-resistant stainless-steel back I/O panels bonded with chromium oxide have a lifespan that's three times longer than ordinary panels.
LANGuard
Pumped-up throughput 2.5X higher surge toleranceASUS LANGuard is a hardware-level network protection feature that integrates advanced signal-coupling technology and premium anti-EMI surface-mounted capacitors to improve throughput and ensure a more reliable connection.
ASUS PRIME A520M-E/CSM. Processor manufacturer: AMD, Processor socket: Socket AM4, Compatible processor series: AMD Ryzen™ 3, AMD Ryzen™ 5, AMD Ryzen™ 7. Supported memory types: DDR4-SDRAM, Maximum internal memory: 64 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, SATA III, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 10. Ethernet interface type: Fast Ethernet, Gigabit Ethernet, LAN controller: Realtek RTL8111H. Component for: PC, Motherboard form factor: micro ATX, Motherboard chipset family: AMD
| Processor manufacturer | AMD |
| Processor socket | Socket AM4 |
| Compatible processor series | AMD Ryzen™ 3, AMD Ryzen™ 5, AMD Ryzen™ 7 |
| Supported memory types | DDR4-SDRAM |
| Number of memory slots | 2 |
| Maximum internal memory | 64 GB |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| ECC сompatibility | ECC |
| Supported memory clock speeds | 2133,2400,2666,2800,2933,3000,3200,3333,3400,3466,3600,3733,3866,4000,4133,4200,4266,4333,4400,4466,4600,4866 MHz |
| Unbuffered memory | Yes |
| Supported storage drive interfaces | M.2, SATA III |
| Supported storage drive types | HDD & SSD |
| Number of HDDs supported | 4 |
| Number of storage drives supported | 5 |
| RAID support | Yes |
| RAID levels | 0, 1, 10 |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 0 |
| Number of SATA III connectors | 4 |
| S/PDIF out connector | Yes |
| Front panel audio connector | Yes |
| ATX Power connector (24-pin) | Yes |
| CPU fan connector | Yes |
| Number of chassis fan connectors | 1 |
| EPS power connector (8-pin) | Yes |
| Number of COM connectors | 1 |
| TPM connector | Yes |
| USB 2.0 ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 0 |
| Ethernet LAN (RJ-45) ports | 1 |
| VGA (D-Sub) ports quantity | 1 |
| HDMI ports quantity | 1 |
| DVI-D ports quantity | 1 |
| PS/2 ports quantity | 1 |
| Wi-Fi | No |
| Ethernet LAN | Yes |
| Ethernet interface type | Fast Ethernet, Gigabit Ethernet |
| LAN controller | Realtek RTL8111H |
| Component for | PC |
| Motherboard form factor | micro ATX |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD A520 |
| Audio output channels | 7.1 channels |
| Windows operating systems supported | Windows 10 x64 |
| PCI Express x1 (Gen 3.x) slots | 2 |
| Number of M.2 (M) slots | 1 |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Width | 8.9" (226 mm) |
| Depth | 8.7" (221 mm) |