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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12 month

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Asrock B850M Pro RS AMD B850 Socket AM5 Micro ATX

Supports AMD Ryzen 7000, 8000 and 9000 series processors with AM5 socket. Key features: 4 DIMM slots allowing up to 256 GB of 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 socketAM5 socket
Composite processor typesAMD Ryzen 8000 series, AMD Ryzen 9000 series, AMD Ryzen 7000 series
Processor manufacturerAMD

Graphics

Support for parallel processing technologyNot supported
HDCPYes
Maximum resolution3840 x 2160 pixels

Features

Motherboard chipAMD B850
Product colorBlack
Sound chipRealtek ALC897
Motherboard format typeMicro ATX
Audio output channels7.1 channels
Windows operating system supportWindows 10 x64, Windows 11 x64

Memory

Unbuffered memoryYes
Maximum internal memory256GB
Memory slot typeDIMMs
Supported memory typesDDR5-SDRAM
Memory channelsDual channel
Number of memory slots4
ECC compatibilityECC and Non-ECC

Weight and dimensions

Depth244 mm
Width244 mm

Network

LAN controllerDragon RTL8125BG
Wi-FiNo
Ethernet LANYes
Ethernet interface type2.5 Gigabit Ethernet

Internal I/O

Number of USB 3.2 Gen 1 ports3
Number of SATA III connectors4
Number of USB 2.0 ports2
Front panel audio connectorYes
ATX power connector (24-pin)Yes
TPM connectorYes
EPS power connector (8-pin)Yes
RGB LED pin connectorYes
CPU cooler connectorYes
12V power connectorYes
Number of chassis cooler connections3
Number of CPU cooler connections2
Number of RGB LED pin connectors1
Number of EPS power connectors (8-pin)1

BIOS

BIOS typeUEFI AMI

Memory controllers

Supported storage device typesHDDs and SSDs
Supported memory device interfacesPCI Express 4.0, PCI Express 5.0, SATA III
RAID supportYes
RAID levels1, 0, 10
Number of supported storage devices7

Rear panel I/O ports

Number of USB 2.0 ports4
USB connection typeUSB Type-C, USB Type-A
Ethernet LAN (RJ-45) ports1
DisplayPort version1.4
Number of DisplayPorts1
Line-inYes
Microphone inputYes
Headphone outputs3
Number of USB 3.2 Gen 2 Type-A ports1
HDMI version2.1
Number of USB 3.2 Gen 2 Type-C ports1
Number of USB 3.2 Gen 1 Type-A ports2
Number of HDMI ports1

Expansion slots

Number of M.2 (M) slots3
1st M.2 highest PCI Express generation5.0
3rd M.2 highest PCI Express generation4.0
1st M.2 maximum key size2280
PCI Express x4 (Gen 4.x) slots1
PCI Express x16 (Gen 5.x) slots1
2nd M.2 maximum key size2280
3rd M.2 maximum key size2280
2nd M.2 highest PCI Express generation4.0
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