BIOS
BIOS type	UEFI AMI
BIOS memory size	256 Mbit
ACPI version	6.5
System Management BIOS (SMBIOS) version	3.7
Expansion slots
PCI Express x4 slots	1
PCI Express x16 slots	1
PCI Express x16 (Gen 3.x) slots	1
PCI Express x16 (Gen 4.x) slots	1
PCI Express x16 (Gen 5.x) slots	1
Number of M.2 (M) slots	2
1st M.2 largest key size	2280
1st M.2 highest PCI Express generation	5.0
2nd M.2 largest key size	2280
2nd M.2 highest PCI Express generation	4.0
Features
Motherboard chipset	AMD B850
Audio chip	Realtek ALC897
Audio output channels	7.1 channels
Product colour	Black
Component for	PC
Motherboard form factor	micro ATX
Motherboard chipset family	AMD
Windows operating systems supported	Windows 11 x64
Graphics
Parallel processing technology support	Not supported
On-board graphics card
Internal I/O
USB 2.0 connectors	4
USB 3.2 Gen 1 (3.1 Gen 1) connectors	2
USB 3.2 Gen 2 (3.1 Gen 2) connectors	1
Number of SATA III connectors	4
Total number of SATA connectors	4
Number of CPU fan connectors	2
Number of COM connectors	1
Number of water pump connectors	1
Number of RGB LED pin headers	3
Front panel audio connector
Front panel connector
ATX Power connector (24-pin)
CPU fan connector
Chassis intrusion connector
TPM connector
RGB LED pin header
Memory
Supported memory types	DDR5-SDRAM
Number of memory slots	4
Memory slots type	DIMM
Memory channels	Dual-channel
ECC сompatibility	Non-ECC
Supported memory clock speeds	6000,6400,8200 MHz
Supported memory clock speed (max)	8200 MHz
Maximum internal memory	256 GB
Network
Ethernet interface type	5 Gigabit Ethernet
Top Wi-Fi standard	Wi-Fi 7 (802.11be)
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be)
Bluetooth version	5.4
Ethernet LAN
Wi-Fi
Bluetooth
Processor
Processor manufacturer	AMD
Processor socket	Socket AM5
Compatible processor series	AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor sockets	Socket AM5
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	3
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	3
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	2
Ethernet LAN (RJ-45) ports	1
HDMI ports quantity	1
HDMI version	2.1
DisplayPorts quantity	1
DisplayPort version	1.4
Line-in
Microphone in
Storage controllers
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	M.2
Number of HDDs supported	4
Number of storage drives supported	6
RAID levels	0, 1, 10
RAID support
Weight & dimensions
Width	243.8 mm
Depth	243.8 mm

Das PRO B850M-A WIFI PZ überzeugt mit einem eleganten Design in einem harmonischen Silber-Weiß-Farbschema, das ideal zu weißen PC-Systemen passt. Dank des innovativen Back-Connect-Designs wird das Kabelmanagement deutlich vereinfacht, was für ein besonders aufgeräumtes und ansprechendes Erscheinungsbild sorgt. Ausgestattet mit exklusiven MSI-Features, Wi-Fi 7 mit EZ Antenne, 5G LAN, PCIe 5.0 M.2 und zusätzlicher PCIe-Stromversorgung ist das Mainboard optimal auf die AMD Ryzen™ 9000-Prozessoren vorbereitet.