ASROCK

ASRock B850M Pro-A AM5 Micro-ATX Motherboard, DDR5, AMD B850

The ASRock B850M Pro-A is a Micro-ATX motherboard for AMD CPUs, built around the AMD B850 chipset and the AM5 socket. Its main draw is that it gives you a current AMD platform with DDR5 support, four memory slots and three M.2 slots on a compact board. It is great value for anyone building or upgrading a modern Ryzen PC.

  • Socket: AMD AM5
  • Chipset: AMD B850
  • Form factor: Micro-ATX
  • Memory: DDR5 SDRAM, 4 slots
  • M.2 slots: 3
  • Wi-Fi: Not built in

Description

AM5 Socket and B850 Chipset for Current Ryzen Builds

The AM5 socket is AMD's current desktop platform, so this board suits a new build rather than tying you to an older generation. The B850 chipset sits in AMD's mainstream range. That makes it a practical base for a capable everyday or gaming PC without paying for a flagship board's extras.

Four DDR5 Slots with Room to Grow

The board supports DDR5 SDRAM across four slots. You can start with two modules now and fill the remaining slots later as your workload grows. That flexibility helps when you are spreading the cost of a build over time, or when you plan to move into heavier multitasking, content creation or larger projects.

Three M.2 Slots for Fast Storage

With three M.2 slots, you can run a dedicated drive for your operating system, another for games or applications, and a third for projects or media. Everything stays inside the case, with no extra cables and a tidier build overall.

Who it suits

This board is a good fit for PC builders putting together a compact Micro-ATX Ryzen system, gamers who want a modern AM5 platform, and home or office users upgrading from an older AMD setup. It also works well for anyone who uses a wired network connection and doesn't need built-in Wi-Fi.

Specifications

General

BrandASROCK
Product colourBlack
HDCPYes
Line-inYes
BIOS typeUEFI AMI
Component forPC
BIOS memory size256
Headphone outputs3
Unbuffered memoryYes
ECC сompatibilityECC & Non-ECC
RGB LED pin headerYes
Number of memory slots4
Motherboard form factormicro ATX
Number of M.2 (M) slots3
1st M.2 largest key size2280
2nd M.2 largest key size2280
3rd M.2 largest key size2280
Number of RGB LED pin headers1
PCI Express x4 (Gen 4.x) slots1
PCI Express x16 (Gen 5.x) slots1
1st M.2 highest PCI Express generation5.0
2nd M.2 highest PCI Express generation4.0
3rd M.2 highest PCI Express generation4.0
Warranty36 months
EAN4711581490390

Display

Maximum resolution3840 x 2160

Processor

Processor manufacturerAMD
Motherboard chipsetAMD B850
Processor socketSocket AM5
CPU fan connectorYes
Motherboard chipset familyAMD
Compatible processor seriesAMD Ryzen 7000 Series/AMD Ryzen 8000 Series/AMD Ryzen 9000 Series
Supported processor socketsSocket AM5
Number of CPU fan connectors2

Memory

Maximum internal memory256 GB
Memory channelsDual-channel
Memory slots typeDIMM

Storage

Supported storage drive typesHDD & SSD
Number of storage drives supported7
Supported storage drive interfacesPCI Express 4.0, PCI Express 5.0, SATA III

Audio

Audio chipRealtek ALC897
Microphone inYes
Audio output channels7.1
Front panel audio connectorYes

Ports

HDMI ports quantity1
HDMI version2.1
USB 2.0 ports quantity4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
USB connector typeUSB Type-A/USB Type-C
Ethernet LANYes
Ethernet LAN (RJ-45) ports1
TPM connectorYes
LAN controllerDragon RTL8125BG
USB 2.0 connectors2
12V power connectorYes
DisplayPort version1.4
DisplayPorts quantity1
Ethernet interface type2.5 Gigabit Ethernet
EPS power connector (8-pin)Yes
ATX Power connector (24-pin)Yes
Number of SATA III connectors4
Number of chassis fan connectors3
USB 3.2 Gen 1 (3.1 Gen 1) connectors3
Number of EPS power connectors (8-pin)1

Connectivity

Wi-FiNo

Software & security

Windows operating systems supportedWindows 10 x64/Windows 11 x64

Performance & capacities

RAID levels0/1/10

Features

Cables includedSATA
RAID supportYes
Screws includedYes
Supported memory typesDDR5-SDRAM
Parallel processing technology supportNot supported

Dimensions & weight

Width244 mm
Depth244 mm
Product Net Weight1.3 kg

Questions & answers

Does the ASRock B850M Pro-A have Wi-Fi?

No. The board does not have built-in Wi-Fi.

Which memory does it support?

It supports DDR5 SDRAM and has four memory slots.

What is included in the box?

The manufacturer does not list the box contents in the specifications.

ASRock B850M Pro-A AM5 Micro-ATX Motherboard, DDR5, AMD B850 | mydeal.ee