MSI B550-A PRO AM4 ATX AMD Motherboard
- Supported CPU: Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™...
- Memory: 4x DDR4 memory slots, support up to 128GB Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933...
- Supported Storage: 6x SATA 6Gb/s ports 2x M.2 slots (Key M) M2_1 slot (from AMD Processor) Supports PCIe 4.0/...
- LAN: Realtek RTL8111H Gigabit LAN
Product Pricing
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SPECIFICATIONS
Processor
(not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G)
and AMD Ryzen™ 4000 G-Series desktop processors
Mainboard
Memory
Supports DDR4 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 4800 MHz
1DPC 2R max speed 3866 MHZ
2DPC 1R max speed 4000 MHZ
2DPC 2R max speed 3600 MHZ
Dual channel memory architecture
Supports non-ECC UDIMM memory
Supports ECC UDIMM memory (non-ECC mode)
Supports un-buffered memory
Storage
2x 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 3.0x4
Supports 2242/ 2260/ 2280 storage devices
Graphics
CrossFire Technology
Support HDCP 1.4 & 2.3
1x DisplayPort supports a maximum resolution of 4096x2160 @60Hz
Maximum shared memory of 16 GB
Networking & Connectivity
RTL8111H Gigabit LAN
Audio & Microphone
Ports
1x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed
2x PCIe 3.0 x1 slots
1x 8-pin ATX 12V power connector
6x SATA 6Gb/s connectors
2x M.2 slots (M-Key)
1x USB 3.2 Gen 1 5Gbps Type-C port
1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
2x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
1x 4-pin CPU fan connector
1x 4-pin water-pump fan connector
6x 4-pin system fan connectors
1x Front panel audio connector
2x System panel connectors
1x Chassis Intrusion connector
1x 4-pin RGB LED connector
2x 3-pin RAINBOW LED connectors
1xTPM module connector
1x Clear CMOS jumper
DisplayPort
LAN
HD Audio Connectors
Flash BIOS Button
USB 2.0
HDMI
USB 2.0
USB 3.2 Gen 1 5Gbps Type-A
USB 3.2 Gen 2 10Gbps Type-A+C
+ 5x USB 3.2 Gen 1 5Gbps (4 Type-A+ 1 Type-C)
+ 8 x USB 2.0
Others
RAID
Supports RAID 0, RAID 1, and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
Physical Specification
Warranty Information
DESCRIPTION
MSI B550-A PRO AM4 ATX AMD Motherboard
The PRO series enables users to work smarter by providing a productive and efficient environment. PRO series motherboards offer not only optimized professional workflows but also fewer troubleshooting and long-term durability thanks to their steady performance and high-quality assembly. With more processing cores, thermal and power design become even more critical to ensure that temperatures remain low. Even high-end CPUs run at full speed with MSI motherboards thanks to the extended PWM heatsink with 7W/mK thermal pad. When SSDs grow heated, even the fastest in the world can start to slow down. M.2 SHIELD FROZR is a next-generation M.2 thermal solution that works as part of the motherboard's heatsink design to prevent this by providing the finest thermal protection to ensure that the SSD retains optimal performance. MSI motherboards give you the ability to control the speed and temperature of your computer. In a simple graphical interface, Total Fan Control allows you to check your major system characteristics. You may also define up to four temperature objectives for the CPU and motherboard, which will automatically alter fan speeds. Designed to work with the most common All-In-One and custom water cooling systems available. A dedicated water pump PIN header can handle up to 3 amps and gives you complete control over the water pump's speed. A clearly indicated 'keep-out-zone' makes installation simple and safe, as well as ensures a flawless fit. All of the latest storage standards are supported by MSI PRO Series motherboards, allowing users to connect any ultra-fast storage device. Work becomes easier when you're more efficient. MSI B550 motherboards have the newest Lightning Gen 4 M.2 which is compatible with 3rd Gen Ryzen processors.
REVIEWS
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Overall Rating
Best motherboard in budget and very underrated have all the features and good vrm
12 September, 2021