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MSI B550M-A PRO (AM4)|DDR4|MATX
₱4,350₱4,599
Key Specifications:
| Socket | AMD Socket AM4 |
| Form Factor | Micro-ATX Form Factor |
| Memory Slots | 2x DDR4 memory slots |
| PCIe Slots | 1x PCIe 3.0 x1 slot |
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General
Form FactorMicro-ATX Form Factor
9.3 in. x 7.9 in. (23.6 cm x 20 cm)
CPU SupportSupports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) and AMD Ryzen™ 4000 G-Series desktop processors
ChipsetAMD B550 Chipset
Memory
Memory Slots2x DDR4 memory slots
Memory TypeDDR4
Max Memory Capacitysupport up to 64GB
Memory ArchitectureDual channel memory architecture
Expansion Slots
PCIe x16 Slots1x PCIe 4.0/3.0 x16 slot
PCIe x1 Slots1x PCIe 3.0 x1 slot
SocketAMD Socket AM4
Storage
M.2 Slots1x M.2 slot (Key M) (from AMD Processor)
Supports PCIe 4.0/ 3.0 1
Supports SATA 6Gb/s
Supports 2242/ 2260/ 2280 storage devices
SATA Ports4x SATA 6Gb/s ports
Audio
Audio CodecRealtek® ALC892/ALC897 Codec
Audio Channels7.1-Channel High Definition Audio
Audio FeaturesAudio Boost
Reward your ears with studio grade sound quality for the most
immersive audio experience
Rear Panel Ports
USB Ports6x USB 2.0 ports (2 Type-A ports on the back panel
HDMI Ports1x HDMI™ 2.1 port, supports a maximum resolution of 4096x2160 @60Hz12
Support HDCP 1.4 & 2.3
LAN Ports1x Realtek® RTL8111H Gigabit LAN controller
Internal I/O
USB Connectors1x 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)
FAN Headers1x 4-pin CPU fan connector
1x 4-pin system fan connectors
Connectivity
LAN1x Realtek® RTL8111H Gigabit LAN controller
Power
Power Connectors1x 24-pin ATX main power connector
1x 4-pin ATX 12V power connector
Features
Special FeaturesPCI-E Steel Armor
Protecting VGA cards against bending and EMI
Lightning Gen4 Solution
The latest Gen4 PCI-E and M.2 solution with up to 64GB/s
bandwidth for maximum transfer speed.
Core Boost
With premium layout and fully digital power design to support
more cores and provide better performance.
EZ Debug LED
Easiest way to troubleshoot.
Audio Boost
Reward your ears with studio grade sound quality for the most
immersive audio experience.
DDR4 Boost
Advanced technology to deliver pure data signals for the best
gaming performance and stability.
2oz Thickened Copper PCB
An enhanced PCB design improves heat dissipation and
performance reliability
— Affordable AMD B550 motherboard designed for Ryzen 3000/4000G/5000 Series processors on the AM4 platform. Features DDR4 dual-channel memory support up to 64GB, PCIe 4.0 x16 graphics slot, PCIe 4.0 M.2 NVMe storage support, SATA III ports, HDMI and DisplayPort outputs, USB 3.2 Gen1 connectivity, and Gigabit LAN. Built with MSI Core Boost and reinforced PCB design for stable performance in gaming, office, and everyday PC builds with upgrade-ready AM4 support.
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