







- Status: Up Coming
- Brands: Biostar
- Model: A520MS
- AMD A520 single chip architecture
- Supports Realtek Gigabit LAN
- Supports HDMI 4K resolution
- Supports M.2 (32Gb/s)
Basic Information | |
Audio | ALC897 7.1 Channels, High Definition Audio, Hi-Fi (Front) |
Chipset | AMD A520 |
Memory | 4th Gen AMD Ryzen Processors (Vermeer CPUs): Supports Dual Channel DDR4 4400+(OC)/ 4000(OC)/ 3800(OC)/ 3600(OC)/ 3200/ 2933/ 2667/ 2400/2133 4th Gen AMD Ryzen with Radeon Graphics Processors (Cezanne APUs): Supports Dual Channel DDR4 4933+(OC)/ 4800(OC)/ 4600(OC)/ 4400(OC)/ 4000(OC)/ 3800(OC)/3600(OC)/ 3200/ 2933/ 2667/ 2400/ 2133 3rd Gen AMD Ryzen Processors (Matisse CPUs): Supports Dual Channel DDR4 4400+(OC)/ 4000(OC)/ 3800(OC)/ 3600(OC)/ 3200/ 2933/ 2667/ 2400/2133 3rd Gen AMD Ryzen with Radeon Graphics Processors (Renoir APUs): Supports Dual Channel DDR4 4933+(OC)/ 4800(OC)/ 4600(OC)/ 4400(OC)/ 4000(OC)/ 3800(OC)/3600(OC)/ 3200/ 2933/ 2667/ 2400/ 2133 2 x DDR4 DIMM Memory Slot, Max. Supports up to 64 GB Memory Each DIMM supports non-ECC 8/ 16/ 32 GB DDR4 module |
Connector & Ports | |
Internal I/O Ports | 4 x SATA III (6.0Gb/s) Connectors 2 x USB 2.0 Header (each header supports 2 USB 2.0 ports) 1 x USB 3.2 (Gen1) Header (each header supports 2 USB 3.2 (Gen1) ports) 1 x 8-Pin Power Connector 1 x 24-Pin Power Connector 1 x CPU Fan Connector 1 x System Fan Connector 1 x Front Panel Header 1 x Front Audio Header 1 x Internal Stereo Speaker Header 1 x Clear CMOS Header 1 x COM Port Header 1 x TPM Header |
Physical Information | |
Dimensions | Micro ATX Form Factor Dimension: 20.8cm x 23.5cm ( W x L ) |
Case Features | |
Expansion Slots | AMD Ryzen 5000/3000 Processors 1 x PCIe 3.0 x16 Slot (x16 or x4/x4/x4/x4 mode) or AMD Ryzen 5000 G/4000 G Processors 1 x PCIe 3.0 x16 Slot (x16 or x8/x4/x4 mode) AMD A520 Chipset 2 x PCIe 3.0 x1 Slot * According to different CPUs will have different speeds. |
Key Features | |
Storage | Total supports 1 x M.2 socket and 4 x SATA III (6Gb/s) ports AMD A520 Chipset 4 x SATA III Connector (6Gb/s) : Supports AHCI & RAID 0, 1, 10 AMD Ryzen 5000/5000 G/4000 G/3000 Processors 1 x M.2 (M Key) Socket: Supports M.2 Type 2242/ 2260/ 2280 SSD module Supports PCIe 3.0 x 4 (32Gb/s) - NVMe SSD Supports SATA III (6.0Gb/s) SSD |
OS support | Supports Windows 10(64bit)/ 11(64bit) ※Biostar reserves the right to add or remove support for any OS with or without notice. |
Ports & Connectors | |
LAN | Realtek RTL8111H 10/ 100/ 1000 Mb/s auto negotiation, Half / Full duplex capability |
USB | 6 x USB 3.2 (Gen1) ports (4 on rear I/Os and 2 via internal headers) 6 x USB 2.0 ports (2 on rear I/Os and 4 via internal headers) |
I/O Ports | 1 x DP Port 1 x HDMI Port 1 x LAN port 4 x USB 3.2 (Gen1) Ports 2 x USB 2.0 Ports 3 x Audio Jack |
BIOSTAR A520MS DDR4 Micro ATX Motherboard
BIOSTAR A520MS DDR4 AMD AM4 Micro ATX Motherboard is a versatile and feature-rich motherboard designed to support a wide range of AMD processors. With its AMD A520 chipset, this motherboard is compatible with Socket AM4 and supports AMD Ryzen™ 3rd Gen (Matisse/ Renoir) and Ryzen™ 4th Gen (Vermeer/ Cezanne) processors. It also provides support for future AMD Ryzen processors with a BIOS update, ensuring longevity and compatibility with upcoming CPU releases. One notable feature of this motherboard is its memory support. It accommodates dual-channel DDR4 memory with varying speeds depending on the processor type. For 4th Gen AMD Ryzen Processors (Vermeer CPUs), it supports DDR4 speeds up to 4400+(OC) MHz, and for 4th Gen AMD Ryzen with Radeon Graphics Processors (Cezanne APUs), it supports speeds up to 4933+(OC) MHz. The motherboard has two DDR4 DIMM memory slots, allowing for a maximum memory capacity of 64 GB. In terms of storage, the A520MS provides flexibility with 1 x M.2 socket and 4 x SATA III (6Gb/s) ports. The M.2 socket supports Type 2242/2260/2280 SSD modules, both PCIe 3.0 x4 (32Gb/s) NVMe SSDs and SATA III (6.0Gb/s) SSDs. The SATA III ports support AHCI and RAID 0, 1, 10 configurations. Networking is handled by the Realtek RTL8111H LAN controller, offering 10/100/1000 Mb/s auto-negotiation and supporting half/full duplex capability. The audio experience is powered by the ALC897 audio codec, providing 7.1 channels of high-definition audio with Hi-Fi capability at the front panel. The motherboard's rear I/O includes 1 x DP Port, 1 x HDMI Port, 1 x LAN port, 4 x USB 3.2 (Gen1) Ports, 2 x USB 2.0 Ports, and 3 x Audio Jacks. It also features expansion slots, including 1 x PCIe 3.0 x16 Slot for AMD Ryzen 5000/3000 Processors and 1 x PCIe 3.0 x16 Slot for AMD Ryzen 5000 G/4000 G Processors. The internal connectors cover various aspects, including power, USB, fan, and audio headers, providing ample options for connecting peripherals and components. The motherboard comes in a Micro ATX form factor with dimensions of 20.8cm x 23.5cm, making it suitable for compact desktop builds. In terms of monitoring, the motherboard offers CPU/system temperature monitoring, fan monitoring, smart/manual CPU fan control, and CPU/DDR voltage monitoring. It supports Windows 10 (64-bit) and Windows 11 (64-bit) operating systems.
BIOSTAR A520MS DDR4 Micro ATX Motherboard Features
- Versatile Memory Support: Accommodates a wide range of memory configurations, supporting up to 64 GB DDR4 memory with speeds reaching 4933+(OC) for optimal performance across various AMD Ryzen processors.
- Robust Storage Options: Features 1 M.2 socket and 4 SATA III ports, supporting NVMe SSDs and SATA III (6.0Gb/s) SSDs for efficient and flexible storage solutions.
- High-Quality Audio: Equipped with the ALC897 audio codec, delivering 7.1 channels of high-definition audio and Hi-Fi capability for an immersive sound experience.
- Stable Networking: Utilizes the Realtek RTL8111H LAN for reliable 10/100/1000 Mb/s connectivity with auto-negotiation and half/full duplex capability.
- Expansion Flexibility: Offers diverse expansion options, including PCIe 3.0 x16 slots supporting various configurations based on the processor type, along with two PCIe 3.0 x1 slots.
- Connectivity at Your Fingertips: Boasts a well-appointed rear I/O panel with DP and HDMI ports, USB 3.2 (Gen1 and Gen2) ports, and audio jacks for convenient external connections.
- User-Friendly Internal Interfaces: Includes multiple internal headers for USB 2.0 and USB 3.2 (Gen1) ports, along with essential connectors for power, fans, audio, and more, enhancing ease of system assembly.
- Smart Hardware Monitoring: Employs comprehensive hardware monitoring features for CPU and system temperature, fan speed control, and voltage monitoring, providing users with real-time system health insights.
- Compact Micro ATX Form Factor: With dimensions of 20.8cm x 23.5cm, the motherboard's Micro ATX form factor strikes a balance between size and functionality, fitting into a variety of PC cases.
- Software Security: Bundled with BullGuard software for added security, ensuring a protected computing environment.
- Easy Setup and Documentation: Includes essential accessories like SATA cables, I/O shield, DVD driver, and a quick guide, streamlining the installation process for users.