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ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX

SKU
90MB14I0-M0EAYC
93 pieces available
In stock
ASUS Prime B550M-A/CSM, AMD, Socket AM4, AMD Ryzen 3000 Series, DDR4-SDRAM, 128 GB, DIMM

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Overview
Full specs

Overview

Highlights

AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB headers support

ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.

ASUS Corporate Stable Model

ASUS Corporate Stable Model (CSM) is a commercial program designed to provide stable and reliable motherboards. Offering up to 36-month product lifecycle support and 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center Express - server-grade IT management software.

* Lifecycle support for consumer chipsets (eg. Q370, H370, B360,H270,B250) is set at 15 months. Program offerings may vary by region. Please consult your local sales representative for more information.

ASUS Control Center Express

ASUS Control Center Express is an integrated IT monitoring and management software designed to deploy faster, simplify IT operations and improve productivity with comprehensive control and user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality, TCO-optimized solution for your business needs.

Optimize IT endpoint management

Designed to assist IT staff in monitoring and controlling devices within their corporate networks, and facilitate inventory checking in multiple locations remotely

Automate IT maintenance

Allows IT staff to schedule automatic updates of the latest BIOS, software and utilities to specific or all devices at off-peak times, enhancing system stability and IT operational flexibility

Securely manage all of endpoints

Securely manage endpoint configuration, portable storage access and PC software applications by enabling them to create grouping rules on individual devices

Tune It Your Way

Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work – maximizing your productiv

Cool to the Core

Prime B550 series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.

VRM Heatsink and Thermal Pads

A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs and chokes for better cooling performance.

Build on a Solid Foundation

Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.

PCIe 4.0 M.2
(up to 64 Gbps)
Achieve speed with onboard M.2


PCIe 4.0 M.2 Slot supports up to 22110 and provide NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with up to PCIe 4.0 storage device to enjoy the fastest data-transfer speeds on the 3rd Generation AMD Ryzen platform.

Little Things Make a Big Difference

Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look.

Outstanding Audio
Combined onboard features deliver elevated audio


Intelligent design and premium hardware create audio quality unlike anything you've ever experienced.

Audio Shielding

Separates analog/digital signal domains, significantly reducing multi-lateral interference.

Separate Layer for Left and Right Tracks

Ensures minimal crosstalk between audio paths.

Premium Japanese Capacitors

Premium parts provide an immersive sound signature, with exceptional fidelity.

Good to know

Processor

  • Compatible processor series
    AMD Ryzen 3000 Series
  • Processor manufacturer
    AMD
  • Processor socket
    Socket AM4

Memory

  • Maximum internal memory
    128 GB
  • Memory slots type
    DIMM
  • Number of memory slots
    4
  • Supported memory clock speeds
    2133, 2400, 2666, 3200, 3333, 3466, 3600, 3733, 4000, 4400, 4600, 2800, 3000, 3866, 4133, 4266
  • Supported memory types
    DDR4-SDRAM

Storage controllers

  • Supported storage drive interfaces
    M.2, SATA III

Graphics

  • On-board graphics card
    Yes

Full Specs

    Processor
    • Compatible processor series
      AMD Ryzen 3000 Series
    • Processor manufacturer
      AMD
    • Processor socket
      Socket AM4
    Memory
    • Maximum internal memory
      128 GB
    • Memory slots type
      DIMM
    • Number of memory slots
      4
    • Supported memory clock speeds
      2133, 2400, 2666, 3200, 3333, 3466, 3600, 3733, 4000, 4400, 4600, 2800, 3000, 3866, 4133, 4266
    • Supported memory types
      DDR4-SDRAM
    • Unbuffered memory
      Yes
    Storage controllers
    • Supported storage drive interfaces
      M.2, SATA III
    Graphics
    • On-board graphics card
      Yes
    Internal I/O
    • ATX Power connector (24-pin)
      Yes
    • CPU fan connector
      Yes
    • EPS power connector (8-pin)
      Yes
    • Front panel audio connector
      Yes
    • Number of chassis fan connectors
      2
    • Number of Parallel ATA connectors
      0
    • Number of SATA connectors
      0
    • Number of SATA III connectors
      4
    • Number of SATA II connectors
      0
    • USB 2.0 connectors
      2
    • USB 3.2 Gen 1 (3.1 Gen 1) connectors
      1
    • USB 3.2 Gen 2 (3.1 Gen 2) connectors
      0
    Rear panel I/O ports
    • DVI-D ports quantity
      1
    • Ethernet LAN (RJ-45) ports
      1
    • HDMI ports quantity
      1
    • Headphone outputs
      1
    • Microphone in
      Yes
    • PS/2 ports quantity
      1
    • USB 2.0 ports quantity
      0
    • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
      4
    • USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
      0
    • USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
      2
    • USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
      0
    • VGA (D-Sub) ports quantity
      1
    Network
    • Ethernet interface type
      Gigabit Ethernet
    • Ethernet LAN
      Yes
    • LAN controller
      Realtek RTL8111H
    • Wi-Fi
      Yes
    Features
    • Audio chip
      Realtek ALC887
    • Audio output channels
      7.1
    • Product colour
      Black, Silver
    • Component for
      PC
    • Motherboard chipset
      AMD B550
    • Motherboard chipset family
      AMD
    • Motherboard form factor
      Micro ATX
    • Windows operating systems supported
      Windows 10 x64
    Expansion slots
    • PCI Express x16 (Gen 4.x) slots
      1
    • PCI Express x1 (Gen 3.x) slots
      2
    BIOS
    • BIOS memory size
      256 Mbit
    • BIOS type
      UEFI AMI
    • Clear CMOS jumper
      Yes
    Weight & dimensions
    • Depth
      244 mm
    • Height
      51 mm
    • Width
      244 mm
    Other features
    • Weight
      845 g
    • mSATA ports quantity
      0
    Logistics data
    • Harmonized System (HS) code
      84733020