General Specifications
Socket
AM5
Form Factor
Micro ATX
Chipset
AMD B850
Max Memory
128 GB
Memory Type
DDR5
Memory Slots
2
Colors
BLACK
GREY
Lighting
None
PCIe Slots
1 x PCIe 5.0 x16
1 x PCIe 4.0 x1
1 x PCIe 3.0 x4
M.2 Slots
M 2280 PCIe 5.0 x4
M 2260/2280 PCIe 4.0 x4
SATA 6Gb/s
4
SATA 3Gb/s
0
U.2 Ports
0
Onboard Ethernet
Realtek RTL8125BG 2.5 Gb/s
WiFi
Unknown
USB 2.0
2
USB 3.2 Gen 1
1
USB 3.2 Gen 2
1
USB 3.2 Gen 2x2
0
USB 4.0
0
USB 4 80Gbps
Unknown
CPU Fan Headers
2
Case Fan Headers
3
Pump Headers
1
CPU Optional Fan Headers
Unknown
ARGB 5V Headers
3
RGB 12V Headers
1
Power Button Header
Yes
Reset Button Header
Yes
Power LED Header
Yes
HDD LED Header
Yes
Temperature Sensor Headers
1
Thunderbolt Headers
Unknown
COM Port Headers
Unknown
Main Power
24-pin
CPU Power
8-pin
ECC Support
Yes
RAID Support
Yes
Back-Connect Connectors
No
BIOS Flashback
Yes
Clear CMOS Button
No
Audio Chipset
Realtek ALC897
Audio Channels
7.1
Back Panel Ports
2 x Antenna Mounting Points
1 x HDMI Port
1 x DisplayPort 1.4
1 x USB 3.2 Gen1 Type-C Port
3 x USB 3.2 Gen1 Type-A Ports
2 x USB 2.0 Ports
1 x RJ-45 LAN Port
1 x BIOS Flashback Button
HD Audio Jacks: Line in / Front Speaker / Microphone
Product Information
Manufacturer
ASRock
Series
Unknown
Variant
B850M-A
Release Year
2025
Manufacturer Color
Black
UPC
None
EAN
None
Part Numbers
B850M-A
BuildCores ID
14cne4afu
Motherboard
ASRock B850 M-A AM5 DDR5 Micro ATX
SocketAM5
Form FactorMicro ATX
ChipsetAMD B850
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General Specifications
Socket
AM5
Form Factor
Micro ATX
Chipset
AMD B850
Max Memory
128 GB
Memory Type
DDR5
Memory Slots
2
Colors
BLACK
GREY
Lighting
None
PCIe Slots
1 x PCIe 5.0 x16
1 x PCIe 4.0 x1
1 x PCIe 3.0 x4
M.2 Slots
M 2280 PCIe 5.0 x4
M 2260/2280 PCIe 4.0 x4
SATA 6Gb/s
4
SATA 3Gb/s
0
U.2 Ports
0
Onboard Ethernet
Realtek RTL8125BG 2.5 Gb/s
WiFi
Unknown
USB 2.0
2
USB 3.2 Gen 1
1
USB 3.2 Gen 2
1
USB 3.2 Gen 2x2
0
USB 4.0
0
USB 4 80Gbps
Unknown
CPU Fan Headers
2
Case Fan Headers
3
Pump Headers
1
CPU Optional Fan Headers
Unknown
ARGB 5V Headers
3
RGB 12V Headers
1
Power Button Header
Yes
Reset Button Header
Yes
Power LED Header
Yes
HDD LED Header
Yes
Temperature Sensor Headers
1
Thunderbolt Headers
Unknown
COM Port Headers
Unknown
Main Power
24-pin
CPU Power
8-pin
ECC Support
Yes
RAID Support
Yes
Back-Connect Connectors
No
BIOS Flashback
Yes
Clear CMOS Button
No
Audio Chipset
Realtek ALC897
Audio Channels
7.1
Back Panel Ports
2 x Antenna Mounting Points
1 x HDMI Port
1 x DisplayPort 1.4
1 x USB 3.2 Gen1 Type-C Port
3 x USB 3.2 Gen1 Type-A Ports
2 x USB 2.0 Ports
1 x RJ-45 LAN Port
1 x BIOS Flashback Button
HD Audio Jacks: Line in / Front Speaker / Microphone
Product Information
Manufacturer
ASRock
Series
Unknown
Variant
B850M-A
Release Year
2025
Manufacturer Color
Black
UPC
None
EAN
None
Part Numbers
B850M-A
BuildCores ID
14cne4afu
