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B850M Steel Legend WiFi M.2/wifi question

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budgetbirdie View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote budgetbirdie Quote  Post ReplyReply Direct Link To This Post Topic: B850M Steel Legend WiFi M.2/wifi question
    Posted: 25 Mar 2026 at 4:35pm
Hello, I have two questions regarding the B850M Steel Legend WiFi:

1)Where is the Vertical M.2 Socket (Key E), for type 2230 WiFi module? I cannot find this socket labelled in the manual or diagram? Is it the same socket used for the Wifi 7 module behind the IO shroud?

2)What Wifi 7 Module is being used? Is it a Mediatek MT7925?
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Xaltar View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 25 Mar 2026 at 5:23pm
Hi budgetbirdie.

1. Yes, the socket used for the supplied module is most likely the Key E slot you are looking for.
2. I am afraid I don't know what module is in use on that board as I don't own one.
That said, the review on TechPowerUp lists the MediaTek MT7925B22M Wi-Fi 7
module.

Edited by Xaltar - 25 Mar 2026 at 5:23pm
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M440 View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote M440 Quote  Post ReplyReply Direct Link To This Post Posted: 5 hours 48 minutes ago at 1:47am
i've build a system running this board and it was mt7925


> inxi -c 5 -xxxF
System:
Host: desktop Kernel: 6.19.10-zen1-1-zen arch: x86_64 bits: 64 compiler: gcc v: 15.2.1
    clocksource: tsc
Console: pty pts/7 DM: SDDM Distro: Arch Linux
Machine:
Type: Desktop Mobo: ASRock model: B850M Steel Legend WiFi serial: <superuser required>
    uuid: <superuser required> Firmware: UEFI vendor: American Megatrends LLC. v: 4.07.AS01
    date: 02/07/2026
CPU:
Info: 8-core model: AMD Ryzen 7 9700X bits: 64 type: MT MCP smt: enabled arch: Zen 5 rev: 0
    cache: L1: 640 KiB L2: 8 MiB L3: 32 MiB
Speed (MHz): avg: 4850 min/max: 605/5582 boost: enabled cores: 1: 4850 2: 4850 3: 4850 4: 4850
    5: 4850 6: 4850 7: 4850 8: 4850 9: 4850 10: 4850 11: 4850 12: 4850 13: 4850 14: 4850 15: 4850
    16: 4850 bogomips: 121364
Flags-basic: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
Graphics:
Device-1: NVIDIA GB206 [GeForce RTX 5060 Ti] vendor: Palit Microsystems driver: vfio-pci v: N/A
    arch: Lovelace pcie: speed: 2.5 GT/s lanes: 8 bus-ID: 01:00.0 chip-ID: 10de:2d04 class-ID: 0300
Device-2: Advanced Micro Devices [AMD/ATI] Granite Ridge [Radeon Graphics] vendor: ASRock
    driver: amdgpu v: kernel arch: RDNA-2 pcie: speed: 16 GT/s lanes: 16 ports: active: none
    off: HDMI-A-1 empty: DP-1, DP-2, DP-3, Writeback-1 bus-ID: 0e:00.0 chip-ID: 1002:13c0
    class-ID: 0300 temp: 40.0 C
Display: unspecified server: X.org v: 1.21.1.21 with: Xwayland v: 24.1.9
    compositor: kwin_wayland driver: X: loaded: modesetting alternate: fbdev,vesa dri: radeonsi
    gpu: amdgpu tty: 411x116
Monitor-1: HDMI-A-1 model: LG (GoldStar) 27EA83R serial: 16843009 res: 2560x1440 dpi: 109
    size: 597x336mm (23.5x13.23") diag: 686mm (27") modes: max: 2560x1440 min: 720x400
API: EGL v: 1.5 hw: drv: amd radeonsi platforms: device: 0 drv: radeonsi device: 1 drv: swrast
    gbm: drv: kms_swrast surfaceless: drv: radeonsi wayland: drv: radeonsi inactive: x11
API: OpenGL v: 4.6 compat-v: 4.5 vendor: mesa v: 26.0.3-arch1.1 note: console (EGL sourced)
    renderer: llvmpipe (LLVM 22.1.1 256 bits), AMD Ryzen 7 9700X 8-Core Processor (radeonsi
    raphael_mendocino ACO DRM 3.64 6.19.10-zen1-1-zen)
API: Vulkan v: 1.4.341 layers: 4 surfaces: N/A device: 0 type: integrated-gpu hw: amd
    driver: mesa radv device-ID: 1002:13c0
Info: Tools: api: clinfo, eglinfo, glxinfo, vulkaninfo de: kscreen-console,kscreen-doctor
    gpu: nvidia-smi wl: wayland-info x11: xdpyinfo,xprop
Audio:
Device-1: NVIDIA GB206 High Definition Audio driver: vfio-pci pcie: speed: 2.5 GT/s lanes: 8
    bus-ID: 01:00.1 chip-ID: 10de:22eb class-ID: 0403
Device-2: Advanced Micro Devices [AMD/ATI] Radeon High Definition Audio driver: snd_hda_intel
    v: kernel pcie: speed: 16 GT/s lanes: 16 bus-ID: 0e:00.1 chip-ID: 1002:1640 class-ID: 0403
Device-3: Advanced Micro Devices [AMD] Ryzen HD Audio vendor: ASRock driver: snd_hda_intel
    v: kernel pcie: speed: 16 GT/s lanes: 16 bus-ID: 0e:00.6 chip-ID: 1022:15e3 class-ID: 0403
API: ALSA v: k6.19.10-zen1-1-zen status: kernel-api
Server-1: sndiod v: N/A status: off
Server-2: PipeWire v: 1.6.2 status: active with: 1: pipewire-pulse status: active
    2: wireplumber status: active 3: pipewire-alsa type: plugin 4: pw-jack type: plugin
Network:
Device-1: MEDIATEK MT7925 Wi-Fi 7 160MHz driver: mt7925e v: kernel pcie: speed: 5 GT/s lanes: 1
    bus-ID: 05:00.0 chip-ID: 14c3:0717 class-ID: 0280
IF: wlp5s0 state: down mac: 7a:5f:2b:21:33:4f
Device-2: Realtek RTL8125 2.5GbE vendor: ASRock driver: r8169 v: kernel pcie: speed: 5 GT/s
    lanes: 1 port: e000 bus-ID: 06:00.0 chip-ID: 10ec:8125 class-ID: 0200
IF: enp6s0 state: up speed: 1000 Mbps duplex: full mac: 9c:6b:00:c2:17:5d
IF-ID-1: br0 state: up speed: 10000 Mbps duplex: unknown mac: 8a:23:10:75:78:be
IF-ID-2: tailscale0 state: unknown speed: -1 duplex: full mac: N/A
IF-ID-3: virbr0 state: up speed: 10000 Mbps duplex: unknown mac: 52:54:00:b9:40:e9
IF-ID-4: vnet0 state: unknown speed: 10000 Mbps duplex: full mac: fe:54:00:f9:d5:b7
IF-ID-5: vnet1 state: unknown speed: 10000 Mbps duplex: full mac: fe:54:00:52:c6:7b
IF-ID-6: vnet2 state: unknown speed: 10000 Mbps duplex: full mac: fe:54:00:f9:96:db
IF-ID-7: vnet3 state: unknown speed: 10000 Mbps duplex: full mac: fe:54:00:c2:97:7a
Bluetooth:
Device-1: MediaTek Wireless_Device driver: N/A type: USB rev: 2.1 speed: 480 Mb/s lanes: 1
    bus-ID: 1-8:3 chip-ID: 0e8d:0717 class-ID: e001 serial: 000000000
Report: This feature requires one of these tools: hciconfig/bt-adapter
Drives:
Local Storage: total: 10.01 TiB used: 4.38 TiB (43.7%)
ID-1: /dev/nvme0n1 vendor: Western Digital model: WD BLACK SN7100 2TB size: 1.82 TiB
    speed: 63.2 Gb/s lanes: 4 tech: SSD serial: 25471N805248 fw-rev: 7615M0WD temp: 33.9 C
    scheme: GPT
ID-2: /dev/nvme1n1 vendor: Western Digital model: WD Blue SN580 2TB size: 1.82 TiB
    speed: 63.2 Gb/s lanes: 4 tech: SSD serial: 24152L805726 fw-rev: 281010WD temp: 40.9 C
    scheme: GPT
ID-3: /dev/sda vendor: Western Digital model: WD2003FYPS-27W9B0 size: 1.82 TiB speed: 3.0 Gb/s
    tech: HDD rpm: 7200 serial: WCAVY4553998 fw-rev: 1D02 scheme: MBR
ID-4: /dev/sdb vendor: Western Digital model: WD4003FRYZ-01F0DB0 size: 3.64 TiB
    speed: 6.0 Gb/s tech: HDD rpm: 7200 serial: V6JVK5EZ fw-rev: 1H01 scheme: GPT
ID-5: /dev/sdc vendor: Western Digital model: WD1001FALS-00J7B1 size: 931.51 GiB
    speed: 3.0 Gb/s tech: N/A serial: WD-WMATV2972031 fw-rev: 0K05 scheme: MBR
Partition:
ID-1: / size: 527.61 GiB used: 122.7 GiB (23.3%) fs: ext4 dev: /dev/nvme0n1p2
ID-2: /boot/efi size: 511 MiB used: 328 KiB (0.1%) fs: vfat dev: /dev/nvme0n1p1
Swap:
ID-1: swap-1 type: file size: 4 GiB used: 4 GiB (100.0%) priority: -1 file: /swapfile
Sensors:
System Temperatures: cpu: 32.0 C mobo: 36.0 C gpu: amdgpu temp: 41.0 C
Fan Speeds (rpm): fan-1: 0 fan-2: 747 fan-3: 0 fan-4: 696 fan-5: 0 fan-7: 0
Info:
Memory: total: 60 GiB note: est. available: 58.44 GiB used: 49.18 GiB (84.2%)
Processes: 380 Power: uptime: 8d 19h 40m states: freeze,mem,disk suspend: deep wakeups: 2
    hibernate: platform Init: systemd v: 260 default: graphical
Packages: pm: pacman pkgs: 1244 Compilers: clang: 22.1.2 gcc: 15.2.1 Shell: fish v: 4.6.0
    default: Bash v: 5.3.9 running-in: pty pts/7 (SSH) inxi: 3.3.40
asrock b650m-hdv/m.2, ryzen 7700x@85watt, arch/kde
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 4 hours 59 minutes ago at 2:36am
Thanks for the confirmation M440
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