Biostar B550MH User Manual

12 | Chapter 2: Hardware installaon
2.5 Expansion Slots
PEX16_1: PCI-Express (Gen3/ Gen4) x16 Slot
• PCI-Express 3.0 compliant. Maximum bandwidth total of 32GB/s.
• PCI-Express 4.0 compliant. Maximum bandwidth total of 64GB/s. (Masse Only)
• 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)
PEX1_1/ PEX1_2: PCI-Express (Gen3) x1 Slot
• PCI-Express 3.0 compliant.
• Data transfer bandwidth up to 1GB/s per direcon; 2GB/s in total.
M2_PCIE_SATA1: M.2 (M Key) Socket
• The M.2 slot supports M.2 Type 2242/2260/2280 SSD module. When installing M.2 SSD
module, please place the screw and hex pillar to correct posion.
• Support M.2 SATA III (6.0 Gb/s) module and M.2 PCI Express module up to Gen3 x4
(32Gb/s) or Gen4 x4 (64Gb/s) - NVMe & AHCI SSD.
Note

»
PCIe4.0speedisonlyapplicabletoAMD®Ryzen™3rdGenMasse,andwillhavedierentspeeds
accordingtodierentCPUs.

»
M.2(MKey)Socket:ThebandwidthisdependedonCPU.
SupportsPCI-E4.0x4(64Gb/s)speed,whichdependsonlyonRyzen3rdGenMasse.

Biostar B550MH Specifications

General

Processor socket	Socket AM4
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen 3, AMD Ryzen 5, AMD Ryzen 7
Non-ECC	Yes
Memory slots type	DIMM
Number of memory slots	2
Supported memory types	DDR4-SDRAM
Maximum internal memory	64 GB
Supported memory clock speeds	1866, 2133, 2400, 2667, 2933, 3200, 3600, 3800, 4000, 4400, 4600, 4800, 4933 MHz
Supported memory module capacities	8GB, 16GB, 32GB
DirectX version	12.0
Parallel processing technology support	-
RAID levels	0, 1, 10
Number of HDDs supported	4
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	SATA III
Audio chip	Realtek ALC887
Component for	PC
Motherboard chipset	AMD B550
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Wi-Fi	No
LAN controller	Realtek RTL8111H
Ethernet interface type	Gigabit Ethernet
PCI Express x16 slots	1
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-C ports quantity	0
BIOS type	UEFI
Harmonized System (HS) code	84733020

Weight and Dimensions

Depth	208 mm
Width	244 mm