BIOSTAR Main Board B550MX/E Pro, Soc AM4, DDR4, HDMI, D-Sub, DVI B550MX-EPRO MSI

Supports AMD Ryzen 3rd Gen (Matisse / Renoir) and 4th Gen (Vermeer) processors
AMD B550 single chip architecture

Supports 4-DIMM DDR4-
4933+(OC)/4800(OC)/4600(OC)/4400(OC)/4000(OC)/3800(OC)/3600(OC)/3200/2933
/2667/2400/2133 up to 128GB maximum capacity

Supports PCIe M.2 4.0 (64Gb/s)

Supports HDMI 2.1 4K resolution

Supports WiFi 6 module (No WiFi 6 card included



CPU SUPPORT

Socket AM4 support AMD Ryzen 3rd Gen (Matisse/ Renoir) and Ryzen 4th Gen (Vermeer/
Future) processors

Support for future AMD Ryzen processors with BIOS update

* Please refer to www.biostar.com.tw for CPU support list




MEMORY

4th Gen AMD Ryzen Processors (Vermeer CPUs/ Future APUs):
Supports Dual Channel DDR4 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

4 x DDR4 DIMM Memory Slot, Max. Supports up to 128 GB Memory

Each DIMM supports non-ECC and ECC Un-buffered 8/ 16/ 32 GB DDR4 module
* Please refer to www.biostar.com.tw for Memory support list




INTEGRATED VIDEO

By CPU model

Supports DX12

Supports HDCP



STORAGE

Total supports 2 x M.2 socket and 4 x SATA III (6Gb/s) ports

4 x SATA III Connectors (6Gb/s) : Supports AHCI & RAID 0, 1, 10
1 x M.2 (M Key) Socket (M2_PCIEG4_64G_SATA):

Supports M.2 Type 2242/ 2260/ 2280 SSD module

Supports PCIe 4.0 x4 (64Gb/s)/ 3.0 x4 (32Gb/s) - NVMe/ AHCI & SATA III (6.0Gb/s) SSD

1 x M.2 (M Key) Socket (M2_PCIEG3_32G_SATA):

Supports M.2 Type 2242/ 2260/ 2280 SSD module

Supports PCIe 3.0 x4 (32Gb/s) - NVMe/ AHCI & SATA III (6.0Gb/s) SSD
* M.2 (M Key) Socket (M2_PCIEG4_64G_SATA) : The bandwidth is depended on CPU.

Supports
PCIe 4.0 x4 (64Gb/s) speed, which depends only on Ryzen 3rd Gen Matisse and 4th Gen
Vermeer CPUs.



LAN
Realtek RTL8111H
10/ 100/ 1000 Mb/s auto negotiation, Half / Full duplex capability





AUDIO CODEC
ALC897

7.1 Channels, High Definition Audio, Hi-Fi (Front)




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)




EXPANSION SLOT
1 x PCIe 4.0/ 3.0 x16 Slot (PCIEG4X16):

Supports PCIe 3.0 x16/ 4.0 x16 mode with AMD Ryzen processors.

Supports PCIe 3.0 x16 mode AMD Ryzen with Radeon Vega Graphics processors.

1 x PCIe 3.0 x16 Slot (PCIEG3X4) : Supports x4 mode

1 x PCIe 3.0 x1 Slot (PCIEG3X1)

* According to different CPUs will have different speeds.

* PCIe 4.0 speed only for AMD Ryzen 3rd Gen Matisse and 4th Gen Vermeer CPUs.

* When using PCIe x1 slot (PCIEG3X1), PCIe x16 slot (PCIEG3X4) will be adjusted to x2
lanes.
.



REAR I/O
2 x WIFI Antenna Ports

1 x PS/2 Keyboard / Mouse

1 x DVI-D Port

1 x VGA 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 Jacks





INTERNAL I/O

4 x SATA III (6.0Gb/s) Connectors

1 x M.2 (E Key) Socket : Supports 2230 type Wi-Fi & Bluetooth module

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

2 x System Fan Connectors

1 x Front Panel Header

1 x Front Audio Header

1 x Internal Stereo Speaker Header

1 x Clear CMOS Header

1 x S/PDIF out Connector

1 x COM Port Header

1 x TPM Header

1 x SYSTEM Status LED

* M.2 (E key) Wi-Fi card is not provided




H/W MONITORING

CPU / System Temperature Monitoring

CPU / System Fan Monitoring

Smart / Manual CPU Fan Control

System Voltage Monitoring



DIMENSION

Micro ATX Form Factor Dimension: 24.4cm x 24.4cm ( W x L )





OS SUPPORT

Supports Windows 10(64bit) / 11(64bit)

?Biostar reserves the right to add or remove support for any OS with or without notice.




BUNDLE SOFTWARE
BullGuard






ACCESSORIES

2 x SATA Cable

1 x I/O Shield

1 x DVD Driver

1 x Quick Guide

1 x WiFi antenna accessories




FEATURES

A.I FAN

PCIe M.2 4.0