Motherboard - Asrock B850 Pro-A AMD B850 Socket AM5 ATX
Product reference: 14-4711581490185

The Asrock B850 Pro-A motherboard supports AMD Ryzen 7000, 8000, and 9000 series processors with AM5 socket. It has 4 DIMM slots for DDR5 memory, 7.1 channel audio, and a variety of USB ports, including USB Type-C.

Motherboard - Asrock B850 Pro-A AMD B850 Socket AM5 ATX

Product reference: 14-4711581490185

The Asrock B850 Pro-A motherboard supports AMD Ryzen 7000, 8000, and 9000 series processors with AM5 socket. It has 4 DIMM slots for DDR5 memory, 7.1 channel audio, and a variety of USB ports, including USB Type-C.

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Guarantee
12 month

Delivery from Europe in
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Asrock B850 Pro-A AMD B850 Socket AM5 ATX

Compatible with AMD Ryzen 7000, 8000 and 9000 series processors with Socket AM5. Key features: 4 DIMM slots for DDR5 memory, 7.1 channel audio system and a wide range of USB ports, including USB Type-C.

  • Compatible with AMD Ryzen 7000, 8000 and 9000 series processors with Socket AM5.
  • Equipped with 4 DIMM slots, allowing up to 256 GB of DDR5 memory.
  • Offers 7.1 channel audio with the Realtek ALC897 chipset for an immersive audio experience.
  • Multiple USB ports and 2.5 Gigabit Ethernet are included for fast connectivity.

Processor

Multiple processor socketsSocket AM5
Processor manufacturerAMD
Composite processor seriesAMD Ryzen 7000 series, AMD Ryzen 8000 series, AMD Ryzen 9000 series

Graphics

HDCPYes
Maximum resolution3840 x 2160 pixels

Features

Product colorBlack
Audio chipRealtek ALC897
Composite Windows operating systemsWindows 10 x64, Windows 11 x64
Motherboard chipset familyAMD
Motherboard format typeATX
Audio output channels7.1 channels
Motherboard chipAMD B850

Memory

Memory channelsDual channel
ECC compatibilityECC and Non-ECC
Unbuffered memoryYes
Number of memory slots4
Memory slot typeDIMMs
Types of compound memoryDDR5-SDRAM
Maximum internal memory256GB

Weight and dimensions

Width305mm
Depth244 mm

Network

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

Internal I/O

TPM connectorYes
Number of chassis fan connectors4
EPS power connector (8-pin)Yes
Front panel audio connectorYes
CPU fan connectorYes
Number of CPU fan connectors2
Number of water pump connections1
Number of USB 3.2 Gen 1 (3.1 Gen 1) ports1
Number of EPS power connectors (8-pin)2
ATX power connector (24-pin)Yes
Number of RGB LED pin connectors4
Number of SATA III connectors4
Number of USB 2.0 ports2
12V power connectorYes
RGB LED pin connectorYes
Number of USB 3.2 Gen 2x2 ports1

BIOS

BIOS typeUEFI AMI

Memory controllers

RAID supportYes
Composite memory device interfacesPCI Express 3.0, PCI Express 4.0, PCI Express 5.0, SATA III
RAID levels1, 0, 10
Composite number of memory devices8
Composite types of memory devicesHDDs and SSDs

Rear panel I/O ports

Number of USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports1
HDMI version2.1
Number of HDMI ports1
Number of USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports4
Number of USB 2.0 ports6
Ethernet LAN (RJ-45) ports1
USB connection typeUSB Type-A, USB Type-C
Headphone outputs3
Microphone inputYes
Line-inYes
Number of USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports1

Expansion slots

2nd M.2 highest PCI Express generation4.0
1st M.2 highest PCI Express generation5.0
3rd M.2 maximum key size2280
Number of M.2 (M) slots4
1st M.2 maximum key size2280
2nd M.2 maximum key size2280
PCI Express x16 (Gen 4.x) slots1
4th M.2 maximum key size2280
3rd M.2 highest PCI Express generation4.0
4th M.2 highest PCI Express generation3.0
PCI Express x16 (Gen 5.x) slots1
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