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Head to head · 2 products

Prime B450M-K II vs PRIME B550M-K

Verified specs side by side. The green tick marks the better value on each measurable row.

Comparing 2 products
Prime B450M-K II
Prime B450M-K II—Score pending
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PRIME B550M-K
PRIME B550M-K—Score pending
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The short verdict

Scores pending

We haven’t scored these yet. Use the measured differences and full specs below.

Prime B450M-K II
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PRIME B550M-K
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Prime B450M-K II
    Full specs →
    Choose the PRIME B550M-K if
    • Lighter in the hand (785 vs 840 g)
    Full specs →
    At a glance

    Key differences

    Measured differences only. Ties and tiny gaps are left out.
    Why pick thePrime B450M-K II0 wins
    No measured advantages in our spec data. Check the full specs below.
    Check priceNo store price yet
    Why pick thePRIME B550M-K1 win
    −55 gLighter in the hand785 vs 840 g
    Check priceNo store price yet
    Full specs

    Side-by-side specifications

    Performance3 differences
    Compatible processor series
    AMD Ryzen 2000 Series · AMD Ryzen Threadripper 1000 Series · AMD Ryzen Threadripper 2000 Series
    AMD Ryzen 3000 Series
    Motherboard chipset
    AMD B450
    AMD B550
    Chipset
    AMD B450
    AMD B550
    Design2 differences
    Weight
    840 g
    785 g
    Height
    259 mm
    51 mm
    Connectivity5 differences
    Wi-Fi
    No
    No
    PS/2 ports quantity
    2
    1
    Supported memory clock speeds
    2133,2400,2666,2800,2933,3000,3200 MHz
    2133 · 2400 · 2666
    Supported storage drive interfaces
    M.2, PCI Express 3.0, SATA III
    M.2, SATA
    USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
    3
    2
    Windows operating systems supported
    Windows 10 x64, Windows 7 x64
    Windows 10
    General5 differences
    BIOS memory size
    128 Mbit
    256 Mbit
    Component for
    PC
    PC
    Ethernet LAN
    Yes
    Yes
    Manufacturer Sku
    90MB1600-M0EAY0
    90MB14V0-M0EAY0
    Maximum internal memory
    64 GB
    128 GB
    Model Number
    Prime B450M-K II
    PRIME B550M-K
    Number of memory slots
    2
    4
    Where to buy

    Specs verified against manufacturer data. Prices in USD before tax; we may earn a commission from qualifying purchases.

    Community

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