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ASUS
ASUS PRIME B550M-A WIFI II (Socket AM4) AMD B550 Micro ATX DDR4 Wi-Fi 6 Motherboard

ASUS PRIME B550M-A WIFI II (Socket AM4) AMD B550 Micro ATX DDR4 Wi-Fi 6 Motherboard

Best price now

$128.70at Improvemint FinancialChecked Nov 10

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Price facts

  • Last seen at $128.70 at Improvemint Financial on Nov 10.

Our take on the ASUS PRIME B550M-A WIFI II (Socket AM4) AMD B550 Micro ATX DDR4 Wi-Fi 6 Motherboard

The ASUS Prime B550M-A WiFi II is a micro ATX AM4 motherboard built around AMD's B550 chipset. It pairs PCIe 4.0 for a Ryzen 5000 or 3000 CPU with onboard Wi-Fi 6 and 1Gb Ethernet, so no separate wireless card is needed. Its power design and cooling are modest compared with pricier B550 boards, which suits mainstream builds rather than heavy overclocking. Buyers get a simple, well-equipped base board with fewer extras than the step-up TUF or ROG models.

Best forMainstream Ryzen 5000 or 3000 gaming buildsFirst-time DIY builders who want onboard Wi-FiCompact micro ATX casesBudget-conscious all-around desktops
Pros
  • Wi-Fi 6 and 1Gb LAN built in
  • PCIe 4.0 support with Ryzen 5000 and 3000 CPUs
  • Micro ATX size fits smaller cases
  • Straightforward BIOS and tuning software
  • Four DDR4 slots for memory upgrades
Cons
  • Basic power delivery limits serious overclocking
  • Fewer USB and fan headers than step-up boards
  • No PCIe 5.0 or newer connectivity
  • Only one M.2 slot on the board

ASUS PRIME B550M-A WIFI II (Socket AM4) AMD B550 Micro ATX DDR4 Wi-Fi 6 Motherboard prices at every store

  • Improvemint FinancialNew

    In stockReturn policy

    $128.70Checked Nov 10
    Visit Improvemint Financial

What reviewers say

Owners of this board generally describe it as a dependable, no-fuss base for a mid-range Ryzen build. Praise centers on the built-in Wi-Fi 6 and easy setup, while criticism tends to focus on the modest power delivery and limited expansion.

What people mention
  • Wi-Fi 6PraisedOwners like having fast wireless built in, avoiding a separate card.
  • Power deliveryCriticisedReviewers say the VRM is basic and not meant for heavy overclocking.
  • SetupPraisedBuilders find the BIOS and layout easy to work with.
  • ExpansionMixedSome want more fan and USB headers than the board provides.
  • StabilityPraisedUsers report it runs reliably in everyday gaming and work.

About the ASUS PRIME B550M-A WIFI II (Socket AM4) AMD B550 Micro ATX DDR4 Wi-Fi 6 Motherboard

The ASUS Prime B550M-A WiFi II is a Micro ATX motherboard with an AMD B550 chipset and an AM4 socket. It is built for 3rd Gen AMD Ryzen processors and uses DDR4 memory.

It supports PCIe 4.0, Wi-Fi 6 and 1Gb LAN. The board has a robust power design, comprehensive cooling solutions and intelligent tuning options. These are managed through software and firmware features.

Chipset
AMD B550
Socket
AM4
Form factor
Micro ATX
Processor support
3rd Gen AMD Ryzen
Memory
DDR4
Expansion
PCIe 4.0
Wireless
Wi-Fi 6
Wired network
1Gb LAN

Questions and answers

Does this board work with Ryzen 5000 CPUs?
Yes. B550 supports Ryzen 5000 and 3000 series processors on socket AM4. A BIOS update may be needed for some older stock, so check the revision before installing.
Do I need a separate Wi-Fi card?
No. Wi-Fi 6 is built in, along with 1Gb Ethernet. You only need an antenna, which comes with the board.
Is PCIe 4.0 supported?
Yes, with a compatible Ryzen 5000 or 3000 CPU. The main PCIe x16 slot and one M.2 slot run at PCIe 4.0 speeds.
How many memory slots does it have?
Four DDR4 DIMM slots. That allows up to 128GB and leaves room to add memory later.
Is it good for overclocking?
Only lightly. The power design is modest, so it suits mild tuning on mid-range chips rather than pushing high-core CPUs hard.
What size case does it fit?
It is micro ATX, so it fits micro ATX and standard ATX cases. It will not fit mini ITX cases.
Where is the ASUS PRIME B550M-A WIFI II (Socket AM4) AMD B550 Micro ATX DDR4 Wi-Fi 6 Motherboard cheapest?
At Improvemint Financial, for $128.70, as of our latest check.

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