Biostar A520MH User Manual

Chapter 1: Introducon | 5
A520MH / B550MH
B550MH
Specicaons
CPU Support
Socket AM4 support AMD® 3rd/ 4th Gen Ryzen™ (Masse/ Renoir) processors
Support for future AMD Ryzen processors with BIOS update
* Please refer to www.biostar.com.tw for CPU support list.
Chipset AMD® B550
Memory
Supports Dual Channel DDR4 1866/2133/2400/2667/2933
Supports Dual Channel DDR4 3200(OC)/ 3600(OC)/ 4000(OC)/ 4400+(OC)
2 x DDR4 DIMM Memory Slot, Max. Supports up to 64 GB Memory
Each DIMM supports non-ECC 8/ 16/ 32 GB DDR4 module
* DDR4 - 2667 only for Ryzen CPU.
* Please refer to www.biostar.com.tw for Memory support list.
Storage
4x SATA III Connector (6Gb/s) : Supports AHCI & RAID 0, 1, 10
1x M.2 (M Key) Socket:
Supports M.2 Type 2242/ 2260/ 2280 SSD module
Supports PCI-E 4.0 x4 (64Gb/s)/ 3.0 x4 (32Gb/s) - NVMe/ AHCI SSD
Supports SATA III (6.0Gb/s) SSD
* M.2 (M Key) Socket (M2_PCIE-SATA1):
The bandwidth is depended on CPU. Supports PCI-E 4.0 x4 (64Gb/s) speed, which depends only on
Ryzen 3rd Gen Masse.
LAN
Realtek RTL8111H
10/ 100/ 1000 Mb/s auto negoaon, Half / Full duplex capability
Audio Codec
ALC887
7.1 Channels, High Denion Audio, Hi-Fi (Front)
USB
8x USB 3.2 (Gen1) port (4 on rear I/Os and 4 via internal headers)
6x USB 2.0 port (2 on rear I/Os and 4 via internal headers)
Expansion Slots
1x PCIe 4.0/ 3.0 x16 Slot:
Supports PCIe 4.0 x16 mode with AMD® Ryzen™ processors. (Masse only)
Supports PCIe 3.0 x16 mode AMD® Ryzen™ with Radeon Vega Graphics processors. (Renoir only)
2x PCIe 3.0 x1 Slot
* According to dierent CPUs will have dierent speeds.
Rear I/Os
1x PS/2 Keyboard
1x PS/2 Mouse
1x HDMI Port
1x VGA Port
1x LAN port
4x USB 3.2 (Gen1) Port
2x USB 2.0 Port
3x Audio Jack
Internal I/Os
4x SATA III (6.0Gb/s) Connector
2x USB 2.0 Header (each header supports 2 USB 2.0 ports)
2x USB 3.2 (Gen1) Header (each header supports 2 USB 3.2 (Gen1) ports)
1x 8-Pin Power Connector
1x 24-Pin Power Connector
1x CPU Fan Connector
1x System Fan Connector
1x Front Panel Header
1x Front Audio Header
1x Clear CMOS Header
1x Internal Stereo Speaker Header
1x COM Port Header
1x TPM Header
Form Factor uATX Form Factor, 244 mm x 208 mm
OS Support
Windows 10(64bit)
Biostar reserves the right to add or remove support for any OS with or without noce.

Biostar A520MH Specifications

General

Processor socket	-
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen™ 3
Component for	PC
Motherboard chipset	AMD A520
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Memory slots type	DIMM
Number of memory slots	2
Supported memory types	DDR4-SDRAM
Maximum internal memory	- GB
Supported memory clock speeds	1866, 2133, 2400, 2667, 2933, 3200, 3600, 3800, 4000, 4400, 4600, 4800 MHz
Wi-Fi	No
Ethernet LAN	Yes
LAN controller	Realtek RTL8111H
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
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
Harmonized System (HS) code	84733020

Weight and Dimensions

Depth	208 mm
Width	244 mm