Motherboard - Asrock B850M Pro RS AM5 Micro ATX DDR5, 4 DIMM, 3 M.2, 7.1 Audio
Product reference: 14-4711581490345
The Asrock B850M Pro RS AM5 Micro ATX DDR5 motherboard supports AMD Ryzen 7000, 8000 and 9000 series processors with AM5 socket. It has 4 DIMM slots for up to 256 GB of DDR5 memory, 3 M.2 slots and a 7.1 channel audio system.

Motherboard - Asrock B850M Pro RS AM5 Micro ATX DDR5, 4 DIMM, 3 M.2, 7.1 Audio

Product reference: 14-4711581490345
The Asrock B850M Pro RS AM5 Micro ATX DDR5 motherboard supports AMD Ryzen 7000, 8000 and 9000 series processors with AM5 socket. It has 4 DIMM slots for up to 256 GB of DDR5 memory, 3 M.2 slots and a 7.1 channel audio system.
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Guarantee
24 month

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Asrock B850M Pro RS AMD B850 Socket AM5 Micro ATX


Facilitates the use of AMD Ryzen 7000, 8000 and 9000 series processors with AM5 socket. Key features: 4 DIMM slots allowing up to 256 GB DDR5 memory, 3 M.2 slots and 7.1 channel audio system.


  • Compatible with AMD Ryzen 8000, 9000 and 7000 series processors using the AM5 socket.
  • Equipped with 4 DIMM slots, allowing up to 256 GB of DDR5 memory.
  • Offers advanced connectivity, including 2.5 Gigabit Ethernet and multiple USB ports.
  • Micro ATX format, ideal for compact computers without sacrificing performance.

Processor

Processor socket AM5 socket
Composite processor types AMD Ryzen 8000 series, AMD Ryzen 9000 series, AMD Ryzen 7000 series
Processor manufacturer AMD

Graphics

Support for parallel processing technology Not supported
HDCP Yes
Maximum resolution 3840 x 2160 pixels

Features

Motherboard chip AMD B850
Product color Black
Sound chip Realtek ALC897
Motherboard format type Micro ATX
Audio output channels 7.1 channels
Windows operating system support Windows 10 x64, Windows 11 x64

Memory

Unbuffered memory Yes
Maximum internal memory 256GB
Memory slot type DIMMs
Supported memory types DDR5-SDRAM
Memory channels Dual channel
Number of memory slots 4
ECC compatibility ECC and Non-ECC

Weight and dimensions

Depth 244 mm
Width 244 mm

Network

LAN controller Dragon RTL8125BG
Wi-Fi No
Ethernet LAN Yes
Ethernet interface type 2.5 Gigabit Ethernet

Internal I/O

Number of USB 3.2 Gen 1 ports 3
Number of SATA III connectors 4
Number of USB 2.0 ports 2
Front panel audio connector Yes
ATX power connector (24-pin) Yes
TPM connector Yes
EPS power connector (8-pin) Yes
RGB LED pin connector Yes
CPU cooler connector Yes
12V power connector Yes
Number of chassis cooler connections 3
Number of CPU cooler connections 2
Number of RGB LED pin connectors 1
Number of EPS power connections (8-pin) 1

BIOS

BIOS type UEFI AMI

Memory controllers

Supported storage device types HDD and SSD
Supported memory device interfaces PCI Express 4.0, PCI Express 5.0, SATA III
RAID support Yes
RAID levels 1, 0, 10
Number of supported storage devices 7

Rear panel I/O ports

Number of USB 2.0 ports 4
USB connection type USB Type-C, USB Type-A
Ethernet LAN (RJ-45) ports 1
DisplayPort version 1.4
Number of DisplayPorts 1
Line-in Yes
Microphone input Yes
Headphone outputs 3
Number of USB 3.2 Gen 2 Type-A ports 1
HDMI version 2.1
Number of USB 3.2 Gen 2 Type-C ports 1
Number of USB 3.2 Gen 1 Type-A ports 2
Number of HDMI ports 1

Expansion slots

M.2 (M) number of sockets 3
1-o M.2 the highest PCI Express generation 5.0
3-o M.2 the highest PCI Express generation 4.0
1-o M.2 maximum key size 2280
PCI Express x4 (Gen 4.x) slots 1
PCI Express x16 (Gen 5.x) slots 1
2-o M.2 maximum key size 2280
3-o M.2 maximum key size 2280
2-o M.2 the highest PCI Express generation 4.0

Height50mm
Length400mm
Weight1200g
Width300mm
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