Catalog   /   Computing   /   Components   /   Motherboards   /   ASRock

ASRock B850M Steel Legend WiFi (90-MXBS2-A0UAYZ)

Photos - Motherboard ASRock B850M Steel Legend WiFi
Photos 6
ASRock B850M Steel Legend WiFi
Towards:gaming
Form Factor:micro-ATX
Socket:AM5
Chipset:AMD B850
BIOS:Ami
RAM slots:DDR5 4 sl
RAM form factor:DIMM
RAM clock:8000 MHz
Sound (channels):7.1
Connectors:HDMI, M.2
Additional connectors:DisplayPort
Power connector:24-pin
Processor power:8+4-pin
All specifications
Specifications B850M Steel Legend WiFi
Main
Featuresgaming
SocketAM5
Form factormicro-ATX
Power phases15 / 12+2+1 /
VRM heatsink
LED lighting
Lighting syncASRock Polychrome Sync
Size (HxW)244x244 mm
Chipset
ChipsetAMD B850
BIOSAmi
UEFI BIOS
RAM
DDR54 slot(s)
Memory moduleDIMM
Operation mode2 channel
Max. clock frequency8000 MHz
Max. memory256 GB
XMP
EXPO support
Drive interface
SATA 3 (6Gbps)4
M.2 connector3
M.22xPCIe 4x, 1xPCIe 2x
M.2 version1x5.0, 2x4.0
M.2 SSD cooling
Integrated RAID controller
Expansion slots
PCIe 4x slots1 pcs
PCIe 16x slots1 pcs
PCIe support5.0
Steel PCIe connectors
Internal connections
TPM connector
USB-A 2.02 pcs
USB-A 5Gbps2 pcs
USB-C 5Gbps1 pcs
ARGB LED strip3
RGB LED strip1
Video outputs
HDMI output
HDMI versionv2.1
DisplayPort
DisplayPort versionv.1.4
Integrated audio
AudiochipRealtek ALC1220
Sound (channels)7.1
Network interfaces
Wi-FiWi-Fi 7 (802.11be)
BluetoothBluetooth v5.4
LAN (RJ-45)2.5 Gbps
LAN ports1
LAN controllerDragon RTL8125BG
External connections
USB-A 2.04 pcs
USB-A 5Gbps2 pcs
USB-A 10Gbps1 pcs
USB-C 10Gbps1 pcs
BIOS FlashBack
Power connectors
Main power socket24-pin
CPU power8+4-pin
Fan power connectors5
CPU Fan 4-pin2
Chassis/Water Pump Fan 4-pin3
Official Websiteasrock.com
Added to E-CatalogJanuary 2025
P/N
90-MXBS2-A0UAYZ

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog ASRock 2026 - new arrivals, bestsellers, and the most relevant models ASRock.
How to choose a motherboard?Motherboard is the main part of any computer. Here's how to choose the right one for work, play and entertainment

Buy ASRock B850M Steel Legend WiFi

All prices 8 →
When you make a purchase through links on our site, we may receive a affiliate commission.

Open Box - ASRock B850M STEEL LEGEND WIFI AM5 Micro ATX Motherboard

Supports AMD Socket AM5 Ryzen 9000, 8000 and 7000 Series Processors 12+2+1 Phase Power Design, Dr.MOS for VCore+SOC+MISC 4 x... moreDDR5 DIMMs Supports Dual Channel, up to 8000+ (OC) 1 PCIe 5.0 x16, 1 PCIe 4.0 x4 Graphics Output Options: 1 HDMI, 1 DisplayPort Realtek ALC1220 7.1 CH HD Audio Codec, Nahimic Audio 1 Blazing M.2 (PCIe Gen5x4), 1 Hyper M.2 (PCIe Gen4x4), 1 M.2 (PCIe Gen4x2), 4 SATA3 2 USB 3.2 Gen2 Type-A+C (Rear), 1 USB 3.2 Gen1 Type-C (Front), 6 USB 3.2 Gen1 (2 Rear, 4 Front), 8 USB 2.0 (4
Newegg.com
Delivery: in USA
Report
$112.99

ASRock B850M STEEL LEGEND WIFI AM5 Micro ATX Motherboard

Supports AMD Socket AM5 Ryzen 9000, 8000 and 7000 Series Processors 12+2+1 Phase Power Design, Dr.MOS for VCore+SOC+MISC 4 x... moreDDR5 DIMMs Supports Dual Channel, up to 8000+ (OC) 1 PCIe 5.0 x16, 1 PCIe 4.0 x4 Graphics Output Options: 1 HDMI, 1 DisplayPort Realtek ALC1220 7.1 CH HD Audio Codec, Nahimic Audio 1 Blazing M.2 (PCIe Gen5x4), 1 Hyper M.2 (PCIe Gen4x4), 1 M.2 (PCIe Gen4x2), 4 SATA3 2 USB 3.2 Gen2 Type-A+C (Rear), 1 USB 3.2 Gen1 Type-C (Front), 6 USB 3.2 Gen1 (2 Rear, 4 Front), 8 USB 2.0 (4
Newegg.com
Delivery: in USA
Report
$149.99

ASRock B850M STEEL LEGEND WIFI AM5 AMD B850 SATA 6Gbs Micro ATX Motherboard

eBay.com
Delivery: in USA
Report
$152.99

ASRock B850MSteelLegendWiFi B850M Steel Legend WiFi MicroATX Motherboard

eBay.com
Delivery: in USA
Report
$174.98

ASRock B850M STEEL LEGEND WIFI AM5 AMD B850 Micro ATX Motherboard

eBay.com
Delivery: in USA
Report
$175.32
3 more offer(s)