B550-A PRO

B550-A PRO


B550-A PRO
Turbo USB

Turbo USB

USB 3.2 Gen2 Type-Cを搭載し最大10Gbpsの転送速度を使用することができます。

DDR4 Boost

DDR4 Boost


Lightning Gen 4 Solution

Lightning Gen 4 Solution

最大64GB/sの帯域幅を搭載した最新のPCIe gen4を使用することができます


MSI motherboards feature tons of convenient and smart design for DIY users, countless system tuning and troubleshooting tools are at your disposal to push your system to new heights and satisfy even the most demanding tweaker. Makes it so easy to install your own motherboard without any issue.

B550-A Pro


The most important thing of DIY is expandability. MSI PRO series motherboards feature plenty possibility for prosumers’ need. Stable LAN, faster storage and USB transfer speed and other expandable connectors are ready to enlarge your flexibility.


MSI PROシリーズはパワーユーザーにとって快適に動作するように設計しています。高品質部品を採用することにより高い安定性や機能性を搭載しています。

B550-A PRO

  • 第3世代 AMD Ryzen™ Processors / 将来のAMD Ryzen™ processors with BIOS update
  • DDR4-4400(OC) MHz 対応
  • 超高速な接続デバイス: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 Gen 2
  • 次世代の冷却機能: 大型のヒートシンクデザイン と 2オンス厚の銅を採用したPCB基板で高負荷時でも安定したシステムを構築することができます。
  • 強力な電源デザイン: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost
  • Audio Boost: 高音質でノイズの少ない音を楽しむことができます。
  • Multi-GPU: Steel armor PCI-E スロット. 2-Way AMD Crossfire™対応

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