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Head to head · 2 products

Prime B450M-K II vs ROG STRIX B650-A GAMING WIFI

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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ROG STRIX B650-A GAMING WIFI
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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
—
ROG STRIX B650-A GAMING WIFI
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Prime B450M-K II
    Full specs →
    ROG STRIX B650-A GAMING WIFI
      Full specs →
      At a glance

      Key differences

      Measured differences only. Ties and tiny gaps are left out.
      Full specs

      Side-by-side specifications

      Performance5 differences
      Audio chip
      Realtek ALC887-VD2
      Realtek ALC4080
      Compatible processor series
      AMD Ryzen 2000 Series · AMD Ryzen Threadripper 1000 Series · AMD Ryzen Threadripper 2000 Series
      AMD Ryzen™ 7
      Motherboard chipset
      AMD B450
      AMD B650
      Chipset
      AMD B450
      AMD B650
      Processor socket
      Socket AM4
      Socket AM5
      Design1 difference
      Weight
      840 g
      —
      Connectivity8 differences
      Wi-Fi
      No
      Yes
      Number of chassis fan connectors
      2
      4
      Supported memory clock speeds
      2133,2400,2666,2800,2933,3000,3200 MHz
      4800 · 5000 · 5200
      Supported memory types
      DDR4-SDRAM
      DDR5-SDRAM
      Supported storage drive interfaces
      M.2, PCI Express 3.0, SATA III
      M.2, SATA III
      USB 2.0 connectors
      2
      4
      USB 3.2 Gen 1 (3.1 Gen 1) connectors
      1
      2
      Windows operating systems supported
      Windows 10 x64, Windows 7 x64
      Windows 11 x64
      Audio1 difference
      Headphone outputs
      1
      3
      General8 differences
      Component for
      PC
      PC
      ECC сompatibility
      ECC
      ECC & Non-ECC
      Ethernet interface type
      Gigabit Ethernet
      2.5 Gigabit Ethernet
      Ethernet LAN
      Yes
      Yes
      Form Factor
      micro ATX
      ATX
      Manufacturer Sku
      90MB1600-M0EAY0
      90MB1BP0-M0EAY0
      Maximum internal memory
      64 GB
      128 GB
      Model Number
      Prime B450M-K II
      ROG STRIX B650-A GAMING WIFI
      Motherboard form factor
      micro ATX
      ATX
      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.

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