ASRock B850M Pro-A
- Socket AM5
- AMD B850 chipset
- Micro-ATX format
- 4x DDR5
- 3x M.2
132.99
Lowest price last 30 days
122.99
99.99 excl. VAT
In stock, expected delivery: 4 - 5 working days
ASRock B850M Pro-A
122.99
99.99 excl. VAT
In stock, expected delivery: 4 - 5 working days
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The ASRock B850M Pro-A is a Micro-ATX motherboard built on the AMD B850 chipset, designed for use with AMD Ryzen 7000, 8000, and 9000 Series processors via the Socket AM5 platform. Finished in black and measuring 244 x 244 mm, this board offers a compact yet capable foundation for a modern desktop build. It supports DDR5 memory across four DIMM slots with dual-channel capability and a maximum capacity of 256 GB, with overclocked speeds reaching 8000+ MHz and ECC compatibility included.
Storage and Expansion
The ASRock B850M Pro-A provides three M.2 slots, all supporting up to 2280 form factor drives. The first M.2 slot runs on PCIe 5.0 for high-speed storage performance, while the second and third operate on PCIe 4.0. Additional storage is handled by four SATA III connectors. For graphics and expansion, the board features one PCIe 5.0 x16 slot, offering headroom for current and upcoming discrete graphics cards.
Connectivity and I/O
On the connectivity side, the board includes a 2.5G wired LAN port powered by the Dragon RTL8125BG controller. Display output options consist of one HDMI 2.1 port and one DisplayPort 1.4, supporting resolutions up to 3840 x 2160 pixels. USB connectivity is extensive, with USB 3.2 Gen 2 Type-A and Type-C ports alongside multiple USB 3.2 Gen 1 and USB 2.0 connections. Audio is handled by the Realtek ALC897 chip, delivering 7.1-channel output.
Storage and Expansion
The ASRock B850M Pro-A provides three M.2 slots, all supporting up to 2280 form factor drives. The first M.2 slot runs on PCIe 5.0 for high-speed storage performance, while the second and third operate on PCIe 4.0. Additional storage is handled by four SATA III connectors. For graphics and expansion, the board features one PCIe 5.0 x16 slot, offering headroom for current and upcoming discrete graphics cards.
Connectivity and I/O
On the connectivity side, the board includes a 2.5G wired LAN port powered by the Dragon RTL8125BG controller. Display output options consist of one HDMI 2.1 port and one DisplayPort 1.4, supporting resolutions up to 3840 x 2160 pixels. USB connectivity is extensive, with USB 3.2 Gen 2 Type-A and Type-C ports alongside multiple USB 3.2 Gen 1 and USB 2.0 connections. Audio is handled by the Realtek ALC897 chip, delivering 7.1-channel output.
Brand:
ASRock
Product number:
21862532
Product number manufacturer:
90-MXBR80-A0UAYZ
Audio
Audio chip:
Realtek ALC897
Audio output channels:
7.1 kanalen
BIOS
BIOS memory :
256 Mbit
BIOS type:
UEFI AMI
Connectivity
DisplayPort version:
1.4
DisplayPorts:
1
DVI-D ports:
0
HDMI ports:
1
HDMI version:
2.1
Headphone out:
3
LAN (RJ-45) ports:
1
S/PDIF (out):
USB 2.0 ports:
8
USB 3.2 (Gen 1) type A ports:
6
USB 3.2 (Gen 1) type C ports:
1
USB 3.2 (Gen 2) type A ports:
1
USB 3.2 (Gen 2) type C ports:
1
Internal I/O
12V power connector:
1st M.2 maximum slot size:
2280
1st M.2 slot PCI Express generation:
5.0
2nd M.2 maximum slot size:
2280
2nd M.2 slot PCI Express generation:
4.0
3rd M.2 maximum slot size:
2280
3rd M.2 slot PCI Express generation:
4.0
ATX Power connector (24-pin):
Chassis fan connector(s):
3
CPU fan connector:
EPS power connector (8-pin):
Front panel audio connector:
M.2 ports:
3
SATA III connectors:
4
TPM connector:
USB 2.0 Headers:
2
USB 3.1 (3.1 Gen 2) connectors:
0
USB 3.1 (Gen 1) header(s):
3
Memory
ECC compatibility:
ECC & Niet-ECC
Maximum memory:
256 GB
Memory channels support:
Dual-Channel
Memory slots:
4
Memory slots type:
DIMM
Memory types supported:
DDR5
Supported memory clock speeds (OC):
8000+ (OC) MHz
Unbuffered:
Networking
Bluetooth:
LAN controller:
Dragon RTL8125BG
Network standard:
2500 Mbps
Network technology (wired):
Wireless LAN (WiFi):
Packaging content
Cables included:
SATA
Physical characteristics
Colour of product:
Zwart
Depth:
244 mm
Height:
244 mm
Model:
Micro-ATX
Width:
244 mm
Processor
Compatible processor series:
AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Processor family:
AMD
Sockets
Supported socket:
Socket AM5
Technical details
Chipset:
AMD B850
HDCP:
Video
Maximum resolution:
3840 x 2160 Pixels
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