StoreDeal.ai store
Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • Use in AI assistants
  • Contact
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.·2222 Ponce de Leon Blvd, Miami, FL 33134·support@deal.ai
TermsPrivacy
Deal.ai › ASUS
ASUS
ASUS PRIME B550M-A AMD B550 Socket AM4 micro ATX

ASUS PRIME B550M-A AMD B550 Socket AM4 micro ATX

Best price now

$135.00at abcsarahshop.comChecked Nov 10

Prices are checked against each store and labelled with when.

Visit abcsarahshop.com
ASUS discount code →

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Price facts

  • Last seen at $135.00 at abcsarahshop.com on Nov 10.

Our take on the ASUS PRIME B550M-A AMD B550 Socket AM4 micro ATX

The ASUS Prime B550M-A is a micro ATX motherboard for AMD Socket AM4, built around the B550 chipset and aimed at 3rd Gen Ryzen builds. It covers the essentials: a VRM heatsink with thermal pads, hybrid fan headers, an M.2 slot, and ASUS's tuning and RGB software. It is a budget-minded board, so it trades PCIe 4.0 lane count and premium audio and networking for stable daily performance. It suits first-time builders and office or home PCs more than overclockers chasing high-core CPUs.

Best forFirst-time PC buildersMicro ATX home or office buildsRyzen 5000 and 3000 mid-range systemsBudget-conscious upgraders
Pros
  • Micro ATX size fits smaller cases
  • VRM heatsink with thermal pads for steadier power delivery
  • Hybrid fan headers and onboard heatsinks for cooling
  • ASUS tuning and RGB software included
  • B550 chipset supports PCIe 4.0 with Ryzen 5000 and select 3000 CPUs
Cons
  • Only one M.2 slot
  • No onboard Wi-Fi
  • Basic audio codec and Realtek LAN
  • Limited PCIe 4.0 support compared with pricier B550 boards
  • Modest VRM for high-core, high-power CPUs

ASUS PRIME B550M-A AMD B550 Socket AM4 micro ATX prices at every store

  • abcsarahshop.comNew

    In stockShips from the UK · duties may applyReturn policy

    $135.00Checked Nov 10
    Visit abcsarahshop.com

What reviewers say

Owners generally find the Prime B550M-A a dependable, easy-to-build board for mid-range Ryzen systems. Praise centers on setup simplicity and stable daily use; criticism targets the single M.2 slot, basic networking and audio, and limited headroom for heavy overclocking.

What people mention
  • M.2 slotsCriticisedOwners note there is only one M.2 slot, which limits fast storage expansion.
  • NetworkingCriticisedBuyers point out there is no onboard Wi-Fi and the wired LAN is basic Realtek.
  • SetupPraisedBuilders say the board goes together easily and the BIOS is simple to navigate.
  • StabilityPraisedUsers report stable operation in everyday and light gaming systems.
  • VRMMixedThe VRM heatsink helps, but reviewers say the power design is modest for high-core, overclocked CPUs.

About the ASUS PRIME B550M-A AMD B550 Socket AM4 micro ATX

The ASUS PRIME B550M-A is a micro ATX motherboard with an AMD B550 chipset and an AM4 socket. It supports AMD Ryzen 3000 Series processors. Software and firmware tools let users adjust performance settings.

For cooling, it has multiple onboard heatsinks and hybrid fan headers. A VRM heatsink with a thermal pad underneath improves heat transfer from the MOSFETs and chokes.

The audio design uses shielding to separate the analog and digital signal domains. The left and right audio tracks have separate layers to keep crosstalk between them minimal. Japanese capacitors are used. RGB lighting can be adjusted through its lighting controls.

Chipset
AMD B550
Socket
AMD Socket AM4
Form factor
micro ATX
Processors
AMD Ryzen 3000 Series
Memory type
DDR4 SDRAM, DIMM
Memory slots
4
Max memory
128 GB
Memory speeds
2133, 2400, 2666, 2800, 3000, 3200, 3333, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4600 MHz
Expansion
1 x PCI Express x16 (Gen 4.x) slot
Storage
2 x M.2 slots, 4 x SATA connectors; supports up to 6 drives
RAID
Supported
Rear USB ports
4 x USB 3.2 Gen 1 Type-A, 2 x USB 3.2 Gen 2 Type-A
Internal USB
2 x USB 2.0 connectors, 1 x USB 3.2 Gen 1 connector

Questions and answers

Does it support Ryzen 5000 CPUs?
Yes. B550 boards support Ryzen 5000 and 3000 series chips on Socket AM4, though a BIOS update may be needed on older stock.
Does it have PCIe 4.0?
Yes, with a Ryzen 5000 or select Ryzen 3000 CPU. The board provides PCIe 4.0 for the graphics slot and the M.2 slot.
How many M.2 slots does it have?
One. There is a single M.2 slot, so plan storage around that limit.
Does it have built-in Wi-Fi?
No. It uses Realtek wired LAN, so you need a Wi-Fi card or USB adapter for wireless.
Is it good for overclocking?
It handles mild tuning, but the VRM is modest. For high-core CPUs and heavy overclocking, a board with a stronger power design is a better fit.
What form factor is it?
Micro ATX, so it fits micro ATX and ATX cases but not mini ITX builds.
Where is the ASUS PRIME B550M-A AMD B550 Socket AM4 micro ATX cheapest?
At abcsarahshop.com, for $135.00, as of our latest check.

More from ASUS

  • A
    ASUS PRIME B550-PLUS AMD B550 Socket AM4 ATX
    ASUS PRIME B550-PLUS AMD B550 Socket AM4 ATX
  • A
    ASUS TUF B450-Plus Gaming AM4 ATX Motherboard
    ASUS TUF B450-Plus Gaming AM4 ATX Motherboard
  • A
    ASUS ROG Zenith Extreme STR4 AMD X399 Motherboard
    ASUS ROG Zenith Extreme STR4 AMD X399 Motherboard
  • A
    ASUS ProArt B550-Creator AM4 ATX AMD Motherboard
    ASUS ProArt B550-Creator AM4 ATX AMD Motherboard
  • A
    ASUS ROG Strix B550-F Gaming WI-FI II Mainboard Sockel AMD AM4
    ASUS ROG Strix B550-F Gaming WI-FI II Mainboard Sockel AMD AM4
  • A
    ASUS ROG STRIX TRX40-XE GAMING sTRX4
Video outputs
1 x HDMI, 1 x DVI-D
Other ports
1 x PS/2, 1 x Ethernet (RJ-45)
Ethernet
Gigabit Ethernet, Realtek 8111H LAN controller
Wi-Fi
Not included
Bluetooth
Version 5.1
BIOS
UEFI AMI, 256 Mbit
Part number
90MB14I0-M0EAY0
ASUS ROG STRIX TRX40-XE GAMING sTRX4
  • A
    ASUS AMD B550 with Socket AM4 compatible motherboard ATX NEW from Japan
    ASUS AMD B550 with Socket AM4 compatible motherboard ATX NEW from Japan
  • A
    ASUS Prime B850-Plus-CSM AMD AMD ATX Socket
    ASUS Prime B850-Plus-CSM AMD AMD ATX Socket
  • All ASUS deals and products →

    More motherboards

    • A
      Asrock Pro 4 AM4 AMD X570 ATX Motherboard
      Asrock Pro 4 AM4 AMD X570 ATX Motherboard
    • A
      Asrock B450M-Hdv R4.0 Micro Atx Motherboard
      Asrock B450M-Hdv R4.0 Micro Atx Motherboard
    • A
      ASRock B550 Phantom Gaming 4 AM4 AMD B550 SATA 6Gb/s ATX AMD Motherboard
      ASRock B550 Phantom Gaming 4 AM4 AMD B550 SATA 6Gb/s ATX AMD Motherboard
    • A
      Asrock B550M Pro4 AMD B550 Socket AM4 micro ATX
      Asrock B550M Pro4 AMD B550 Socket AM4 micro ATX
    • M
      MSI B550M-VC WIFI Gaming Desktop Motherboard
      MSI B550M-VC WIFI Gaming Desktop Motherboard
    • G
      Gigabyte A620I AX
      Gigabyte A620I AX
    • A
      ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
      ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
    • A
      ASUS Prime X399-A Extended ATX Motherboard
      ASUS Prime X399-A Extended ATX Motherboard