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With years of experience, MSI is no stranger to building high-performance motherboards. Our R&D and engineering teams have reviewed countless designs, evaluated a wide selection of high quality components, and developed products for reliability even under extreme conditions. Designed to support the most popular All-In-One & customized water cooling solutions on the market. A dedicated water pump PIN header supports up to 3 amp, giving you full control of the water pump speed. A clearly marked ‘keep-out-zone’ allows for easy and safe installation and a perfect fit. Run into trouble when updating your BIOS? Simply flash the old BIOS version back and continue gaming within minutes with Flash BIOS Button. Flash BIOS Button even works without a CPU, memory or graphics card installed! Run into trouble? Onboard LEDs for key components will indicate the source of the problem so you know exactly where to look to get up and running again. MSI B550 motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Higher efficiency makes your work easier. The A-XMP in MSI BIOS are tested and certified by MSI OC LAB. It is easy to enable with auto power settings to get the best memory speed and stability. Add more color if you want! Mystic Light Extension pin header provides an intuitive way to control additional RGB strips and other RGB peripherals added to a system, without needing a separate RGB controller.

CPU
  • Supports AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors
Chipset
  • AMD B550
Memory
  • 4 x DDR4 memory slots, support up to 128GB
    Supports 1866 / 2133 / 2400 / 2667 / 2800 / 2933 / 3000 / 3066 / 3200 MHz by JEDEC
  • Supports DDR4 2667 / 2800 / 2933 / 3000 / 3066 / 3200 / 3466 / 3600 / 3733 / 3866 / 4000 / 4133 / 4266 / 4400+ MHz by A-XMP OC MODE
    1DPC 1R max speed 4400 MHz
    1DPC 2R max speed 3733 MHz
    2DPC 1R max speed 3866 MHz
    2DPC 2R max speed 3466 MHz
  • Dual channel memory architecture
  • Supports non-ECC UDIMM memory
  • Supports ECC UDIMM memory (non-ECC mode)
  • Supports un-buffered memory
Onboard Graphics

  • 1 x DVI-D port, support a maximum resolution of 1920x1200 @60Hz
  • 1 x HDMI 2.0b port, supports a maximum resolution of 4096x2160 @30Hz, 2560x1600 @60Hz

Maximum shared memory of 16 GB

Audio

Realtek ALC897 Codec

  • 7.1-Channel High Definition Audio
LAN

1 x Realtek RTL8111H LAN controller

Wireless Communication Module

None

Expansion Slots

2 x PCIe x16 slots

  • PCI_E1 slot (From CPU)
    Supports PCIE 3.0 x16
  • PCI_E4 1(From B550 chipset)
    Supports PCIe 3.0 x4

4 x PCIe x1 slots

  • PCI_E2, E3, E5 and E6 slots (From B550 chipset)
  • Supports PCIe 2.0 X1
    PCI_E4 will run x1 speed when installing devices in PCI_E2/ PCI_E3/ PCI_E5 slot.
Multi-Graphics Technology
  • Supports AMD CrossFire Technology
Storage Interface

6 x SATA 6Gb/s ports (From B550 chipset)

  • PCI_E4, M2_3, M2_4 and SATA5~8 share the same bandwidth.

1 x M.2 slot (Key M)

  • M2_1 slot (From CPU)
  • Supports PCIe 3.0 x4
  • Supports SATA 6Gb/s
  • Supports 2260/ 2280/ 22110 storage devices

Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices

USB

1 x USB 3.2 Gen 1 5Gbps connector (From B550 chipset)

  • Supports additional 2 USB 3.2 Gen 1 5Gbps ports

2 x USB 2.0 connectors (From B550 chipset)

  • Supports additional 4 USB 2.0 ports
Internal I/O Connectors
  • 1 x 24-pin ATX main power connector
  • 1 x 8-pin ATX 12V power connector
  • 1 x 4-pin CPU fan connector
  • 1 x 4-pin water-pump fan connector
  • 4 x 4-pin system fan connectors
  • 1 x Front panel audio connector
  • 2 x System panel connectors
  • 1 x Chassis Intrusion connector
  • 1 x TPM module connector
  • 1 x Serial port connector
  • 1 x Parallel port connector
  • 1 x Clear CMOS jumper
  • 1 x USB 3.2 Gen 1 5Gbps connector (From B550 chipset)
    Supports additional 2 USB 3.2 Gen 1 5Gbps ports
  • 2 x USB 2.0 connectors (From B550 chipset)
    Supports additional 4 USB 2.0 ports
Back Panel Connectors
  • 1 x Keyboard / Mouse
  • 2 x USB 3.2 Gen 1 5Gbps Type-A
  • 1 x LAN
  • 6 x Audio Connectors
  • 1 x Flash BIOS Button
  • 2 x USB 2.0
  • 1 x DVI-D
  • 1 x HDMI
  • 2 x USB 3.2 Gen 2 10Gbps Type-A
I/O Controller
  • NUVOTON NCT6797 Controller Chip
H/W Monitoring
  • CPU / System / Chipset temperature detection
  • CPU / System / Pump fan speed detection
  • CPU / System / Pump fan speed control
BIOS
  • 1 x 256 Mb flash
  • UEFI AMI BIOS
  • ACPI 6.1, SMBIOS 2.8
  • Multi-language
Unique Features
  • 2 x 4-pin RGB LED connector
  • 4 x EZ Debug LEDs
Bundled Software
  • MSI Center
  • CPU-Z MSI GAMING
  • Google Chrome, Google Toolbar, Google Drive
  • Norton Internet Security Solution
Operating System
  • Support for Windows 10/11 64-bit
Form Factor
  • ATX Form Factor, 30.5cm x 24.4cm

Manufacturer
Manufacturer's WebsiteLink *
Product WebsiteLink *
Warranty Information
Warranty Duration3 Years
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MSI B550 GAMING GEN3, AMD B550 Chipset, Socket AM4, ATX Desktop Motherboard

  • Product Code: 911-7B86-054
  • Availability: Out Of Stock leadtimeTooltip Lead Times:
    • In Stock with Progenix: Ready for collection/dispatch once payment clears. The cut-off for same-day dispatch is 12:00pm on business days.
    • In Stock with Supplier: 1-3 business days until dispatched or ready for collection
    • Out Of Stock: Contact us to see if this item will be restocked.
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