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HomeMotherboardsASRockASRock B850 Steel Legend WiFi
Global MotherboardsASRock B850 Steel Legend WiFi — front
ASRock

ASRock B850 Steel Legend WiFi

AM5 • AMD B850 • ATX • 4

AM5Socket
AMD B850Chipset
ATXForm factor
4M.2
KACBU

Should I buy it?

ASRock B850 Steel Legend WiFi
CONSIDER
    Great choice if these matter:
    • Storage-heavy AM5 builds that want four M.2 slots without flagship pricing
    • White and silver themed builds
    • Ryzen 9000 gaming systems with a mid-range motherboard budget
    Watch out for:
    • No USB4 — the X870E exclusive stays exclusive
    • The white aesthetic is polarizing in an all-black build
    Regret riskLOWlimited data
    Main risks
    • No USB4 — the X870E exclusive stays exclusive
    • The white aesthetic is polarizing in an all-black build
    • 2.5G Ethernet where premium boards ship 5G
    • 8000+ MT/s memory needs EXPO overclocking; guaranteed speeds are lower
    The risk level is computed from the release date and verified weaknesses. The confidence score appears only once enough owner reports exist.
    Alternatives
    Gigabyte Z890 Aorus Elite WiFi7
    ASUS Prime B760M-A
    This box relies only on verified specs, the release date and editorial assessment; owner reports join them as they come in. We do not predict prices.
    PlatformMemoryLaunchSpecificationsFAQAlternatives
    Platform

    Which processors does it support?

    Socket and chipset — the first and irreversible decision in motherboard selection.

    PLATFORM

    The socket determines the entire processor journey.

    AM5

    AM5 — Processor socket · AMD B850 — Chipset

    AM5AMD B850
    AM5Processor socket
    AMD B850Chipset
    Memory

    What does the memory side support?

    Type, slot count, and verified maximum speed.

    MEMORY

    Number of slots, the limit of future upgrades.

    4 Slot

    DDR5 — Memory type · 4 Slot — Memory slot · 8000+ MT/s — Maximum memory speed

    DDR54 Slot8000+ MT/s
    DDR5Memory type
    4 SlotMemory slot
    8000+ MT/sMaximum memory speed
    Who Is It For?

    Where does it stand out?

    A usage guide built from the specs and the editors' tags; not a test result.

    Value for Money

    Storage-heavy AM5 builds that want four M.2 slots without flagship pricing

    Good fit
    Design

    White and silver themed builds

    Good fit
    Gaming

    Ryzen 9000 gaming systems with a mid-range motherboard budget

    Good fit
    Editorial Analysis

    Strengths and points to consider

    The Kacbu editors' assessment of the specifications the maker publishes. We do not test devices ourselves, so nothing here is a measured result. Anything taken from an independent review is shown with its publication and date in the Press section.

    Strengths based on the specs
    Four M.2 slots is unmatched at this B850 price point — one PCIe 5.0, three PCIe 4.0
    14+2+1 80A Dr.MOS power delivery is overbuilt for the class and runs cool
    A second x16-size slot (PCIe 4.0) keeps a capture card or 10G NIC option open
    Wi-Fi 7 and 2.5G Ethernet cover the networking bases
    White-silver design suits light-themed builds that most boards ignore
    Things to consider
    No USB4 — the X870E exclusive stays exclusive
    The white aesthetic is polarizing in an all-black build
    2.5G Ethernet where premium boards ship 5G
    8000+ MT/s memory needs EXPO overclocking; guaranteed speeds are lower
    Historical Product Info

    Official launch details

    Instead of tracking today's retail price, Kacbu keeps the product's official launch information as a reference.

    Design🇹🇼 Taiwan
    Manufacturing🇨🇳 China

    ASRock is headquartered in Taiwan and designs its boards there. Volume production runs primarily in mainland China.

    This is not the current retail price — it shows the product's historical, official launch information.
    Specifications

    ASRock B850 Steel Legend WiFi specifications

    Click a linked value to see other products that share that same spec, and leave a comment on that spec.

    General

    Family
    Steel Legend
    Segment
    Mid-range
    Manufacturer
    ASRock

    Platform

    Socket
    AM5
    Chipset
    AMD B850
    CPU Support
    AMD Ryzen 7000 / 8000 / 9000 series

    Memory

    Memory Type
    DDR5
    Memory Slots
    4
    Maximum Memory Speed
    8000+

    Expansion Slots

    Expansion Slots
    1× PCIe 5.0 x16 + 1× PCIe 4.0 x16
    PCIe Version
    5.0

    Storage

    SATA
    4× SATA 6 Gb/s
    M.2 Slots
    4
    M.2 Slot Detail
    1× PCIe 5.0 + 3× PCIe 4.0 M.2

    Network Connections

    Wired Networking
    2.5G Ethernet
    Wi-Fi
    Wi-Fi 7

    Power

    Power Stages
    14+2+1 power stage (80A Dr.MOS)

    Form Factor

    Form Factor
    ATX
    FAQ

    The most common questions about this product

    What the numbers on the spec sheet actually mean in day-to-day use.

    Which CPUs does the ASRock B850 Steel Legend WiFi support?
    It is an AM5 board supporting AMD Ryzen 7000, 8000 and 9000 series desktop processors.
    How many M.2 slots does the B850 Steel Legend have?
    Four — one PCIe 5.0 and three PCIe 4.0 — plus four SATA ports. That is more M.2 than most boards in its class.
    Does the B850 Steel Legend support fast DDR5?
    Yes — DDR5-8000+ with EXPO overclocking profiles across four DIMM slots.
    Is the Steel Legend good for white builds?
    Yes — the white-silver shroud and PCB accents are the line's signature, and matching white boards at this price are rare.
    Shared Hardware

    Products that share this hardware

    This product's standout specs. You can jump to other models that use the same value.

    SocketAM538 more productsChipsetAMD B85011 more productsMemory TypeDDR570 more productsForm FactorATX60 more products
    Alternatives

    Other models in the same category

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