MSI PRO B550-A PRO AM4 AMD B550 SATA 6Gb/s ATX AMD Motherboard


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Sale priceDhs. 576.16
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In stock
B550-A PRO
EXCLUSIVE FEATURES
B550-A PRO motherboard
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Flash BIOS Button

Use a USB drive to flash the BIOS even without a CPU or memory.

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Core Boost Technology

An optimized power circuit layout is ready to unleash maximum performance.

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2oz Thickened Copper PCB

An enhanced PCB material design improves heat dissipation and high-performance capabilities.

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Digital PWM

A selection of the highest quality power delivery components lets the system run reliably even under extreme conditions.

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PCIe Steel Armor

Reinforced and shielded PCIe slots for strength and stability.

B550-A PRO
PREMIUM THERMAL SOLUTION
B550-A PRO motherboard
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7W/mK Thermal Pad

Premium 7W/mK thermal pad covers both the MOSFET and chokes while providing better heat transfer to the heatsink.

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Extended Heatsink

Larger heatsink design for cooling and performance.

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Pump Fan Support

Control watercooling pump speeds for flowrate and noise control.

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M.2 Shield Frozr

Sustain maximum high-speed M.2 SSD data transfer with M.2 SHIELD FROZR and prevent SSD thermal throttling.

B550-A PRO
HIGH-SPEED TRANSMISSION
B550-A PRO wifi motherboard
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Turbo USB

Featuring TURBO USB 3.2 GEN 2 10Gbps with reversible Type-C connector.

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DDR4 Boost

The memory circuit design has been optimized on a reserved section of the motherboard fully isolated from other circuits.

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Lightning Gen 4 Solution

Transfer data lightning fast across Gen 4 PCI-E and M.2 with up to 64GB/s bandwidth.

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CORE BOOST

Core Boost combines a reserved zone of optimized circuits and premium power delivery components to create a highly efficient power system capable of precise current output to the CPU.

the ports of the motherboard
10 +2 +1 DUET RAIL POWER SYSTEM

Unleash and sustain maximum performance with an aggressive VRM design built to supply stable and steady power delivery.

  • 10 phase Duet Rail Power System
  • 2 phase SOC Power
  • 1 phase APU Power
  • Digital PWM IC
extedned  heatsink of the motherboard
EXTENDED HEATSINK

An all-metal extended heatsink cover enlarges the heat dissipation surface allowing the CPU power system to reliably drive multi-core processors.

the 2oz thickened copper of the motherboard
PCB WITH 2OZ THICKENED COPPER

An enhanced PCB material design with 2oz thickened copper increases conductivity, improving heat dissipation and high-performance reliability.

the usb_type of the motherboard
USB TYPE-C READY - REAR IO & FRONT CASE PANEL SUPPORT

Effortlessly plug in devices with reversible USB Type-C.

LIGHTNING GEN4 of the motherboard
LIGHTNING GEN4 M.2 WITH M.2 SHIELD FROZR

Sustain maximum M.2 SSD data transfer with M.2 SHIELD FROZR. Prevent SSD thermal throttling with a heatsink that extends across the motherboard.

lightning_gen4 of the motherboard
LIGHTNING GEN 4 SOLUTION

Strike fast with MSI Lightning Gen 4 PCI-E. Attach ultra fast PCI-E 4.0 devices and enjoy up to 64GB/s unidirectional transfer bandwidth.

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UNMATCHED MEMORY PERFORMANCE

MSI takes memory stability and performance to the extreme. We've designed an optimized memory circuit design for reliability and tested compatibility extensively in partnership with major memory manufacturers.

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EASY TO ARRANGE YOUR CABLES

Tuck away SATA and USB cables neatly with MSI Atypical PCB edge.

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MULTIPLE GPU SUPPORT AND STEEL ARMOR

B550-A PRO supports AMD CrossFire multi GPU technology. PCI-E slot placements provide optimal airflow for graphics card cooling.

MSI PCI Express Steel Armor slots are secured to the motherboard with extra solder points and support the weight of heavy graphics cards. When every advantage counts, Steel Armor shields the point of contact from electromagnetic interference.

Model
Brand MSI
Series PRO
Model B550-A PRO
Supported CPU
CPU Socket Type  AM4
CPU Type Supports AM4 socket 3rd Gen AMD Ryzen processors, and future AMD Ryzen processors with BIOS update.
Chipsets
Chipset  AMD B550
Memory
Number of Memory Slots 4×288pin
Memory Standard Supports DDR4 3200/ 3066/ 3000/ 2933/ 2800/ 2667/ 2400/ 2133/ 1866 MHz by JEDEC
Supports DDR4 4400+/ 4266/ 4133/ 4000/ 3866/ 3733/ 3600/ 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz by A-XMP OC MODE

1DPC 1R Max speed 4800 MHz
1DPC 2R max speed 3866 MHz
2DPC 1R max speed 4000 MHz
2DPC 2R max speed 3600 MHz
Maximum Memory Supported 128GB
Channel Supported  Dual Channel
Expansion Slots
PCI Express 4.0 x16 1 x PCIe 4.0/3.0 x16 slot (PCI_E1) *
* The supported specification depends on installed processor.
PCI Express 3.0 x16  1 x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed **
** When installing PCIe SSD in M.2_2, PCI_E3 slot will be unavailable.
PCI Express x1 2 x PCIe 3.0 x1 slots
Storage Devices
SATA 6Gb/s  6 x SATA 6Gb/s
M.2 2 x M.2 slots (Key M)
M2_1 slot (from AMD Processor)
Supports PCIe 4.0/3.0 x4 *
Supports SATA 6Gb/s
Supports 2242/2260/2280/22110 storage devices
M2_2 slot (from AMD B550 chipset)
Supports PCIe 3.0 x4
Supports 2242/2260/2280 storage devices

* The supported specification depends on installed processor.
SATA RAID 0/1/10
Onboard Video
Onboard Video Chipset  Supported only by CPU with integrated graphic:
1 x HDMI port, supports a maximum resolution of 4096x2160 @24Hz
1 x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz
Maximum shared memory of 2048MB

* Available for the processor with integrated graphics.
Onboard Audio
Audio Chipset  Realtek ALC892
Audio Channels  7.1 Channels
Onboard LAN
LAN Chipset Realtek RTL8111H
Max LAN Speed 10/100/1000Mbps
Rear Panel Ports
Back I/O Ports 1 x DisplayPort / 1 x HDMI / 1 x LAN (RJ45) / 1 x PS/2 Keyboard/Mouse Combo / 1 x USB 3.2 Gen 2 Type-A / 1 x USB 3.2 Gen 2 Type-C / 2 x USB 3.2 Gen 1 Type-A / 4 x USB 2.0/1.1 / 6 x Audio Jacks
Internal I/O Connectors
Onboard USB 1 x USB 3.2 Gen 1 5Gbps Type-C port
1 x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
Other Connectors 1 x 4-pin CPU fan connector
1 x 4-pin water-pump fan connector
6 x 4-pin system fan connectors
1 x Front panel audio connector
2 x System panel connectors
1 x Chassis Intrusion connector
1 x 4-pin RGB LED connector
2 x 3-pin RAINBOW LED connectors
1 x TPM module connector
1 x Clear CMOS jumper
Physical Spec
Form Factor ATX
LED Lighting RGB
Dimensions (W x L) 12.0" x 9.6"
Power Pin 1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
Features
Features Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update

Supports DDR4 Memory, up to 4400(OC) MHz

Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 Gen 2

Premium Thermal Solution: Extended Heatsink Design with additional choke thermal pad and 7W/mK pad, and M.2 Shield Frozr are built for high performance system and non-stop works

Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost

Audio Boost: Reward your ears with studio grade sound quality

Multi-GPU: With Steel armor PCI-E slots. Supports 2-Way AMD Crossfire

Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface
Manufacturer Warranty
Parts 3 Year
Additional Information
Date First Available June 15, 2020

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