This article covers ASRock AMD Ryzen 5000シリーズ(Soket AM4)対応 B550チップセット搭載 ATX マザーボード 【国内正規代理店品】B550 Taichi.

Overview

The ASRock B550 Taichi is an ATX motherboard built on the AMD B550 chipset, designed for Socket AM4 processors. It supports Ryzen 5000 series (Zen 3) and later Ryzen generations, offering a 16-phase power delivery system that rivals many X570 boards. This motherboard targets enthusiasts who want premium features without stepping up to the X570 platform. Key highlights include a PCIe 4.0-ready M.2 slot, Intel 2.5G LAN, Wi-Fi 6, and a robust audio subsystem built around the Realtek ALC1220 codec with Nahimic software. The Taichi series is known for its distinctive gear-inspired design and high-quality components, making this board a strong contender for mid-to-high-end Ryzen builds.

Compatibility Guide

CPU compatibility covers Ryzen 5000 series (Vermeer), Ryzen 4000 G-series (Renoir), and Ryzen 3000 series (Matisse). Note that Ryzen 2000 series and earlier CPUs are not supported, so verify your processor generation before purchase. Memory support includes DDR4-3200 natively, with overclocking support up to DDR4-4733+. Four DIMM slots allow up to 128GB of RAM, and ECC memory is supported in non-ECC mode. The board uses the standard ATX form factor, fitting most mid-tower and full-tower cases. Expansion includes one PCIe 4.0 x16 slot (CPU-attached), two PCIe 3.0 x16 slots, and two PCIe 3.0 x1 slots. Storage connectivity offers eight SATA 3.0 ports and two M.2 slots: one PCIe 4.0 x4 and one PCIe 3.0 x4/SATA combo.

Product Info

Released in June 2020, the ASRock B550 Taichi sits at the high end of the B550 motherboard market. Its 16-phase VRM design can handle flagship Ryzen 9 processors like the 5950X, making it overkill for budget builds but ideal for demanding workloads. Connectivity features include Intel 2.5G LAN, Wi-Fi 6 (802.11ax) with Bluetooth 5.1, three USB 3.2 Gen2 ports on the rear I/O (Type-A and Type-C), plus a front-panel USB-C header. The board also supports ASRock Polychrome RGB lighting customization.

Best Use Cases

Gaming Enthusiasts: Pair with a Ryzen 5 5600X or Ryzen 7 5800X for a high-performance gaming rig. The PCIe 4.0 M.2 slot ensures fast game loading, and the robust VRM keeps CPU temperatures in check during long sessions. Content Creators: The 16-phase power delivery handles Ryzen 9 5900X or 5950X CPUs for video editing, 3D rendering, and other multi-threaded tasks. Dual M.2 slots allow for RAID configurations or separate OS and scratch drives. * Storage-Heavy Builds: With eight SATA ports and two M.2 slots, this board supports large storage arrays. It's a good fit for NAS-like home servers or workstations requiring multiple drives.

Things to Consider

The B550 chipset uses PCIe 3.0 for chipset-connected lanes, meaning the second M.2 slot and secondary PCIe slots operate at PCIe 3.0 speeds. If you need full PCIe 4.0 across multiple devices, an X570 board might be more appropriate. Pricing is higher than typical B550 boards, competing with entry-level X570 models. The Taichi's premium design and audio features justify the cost for enthusiasts, but budget-conscious builders may find better value in simpler B550 options. ## FAQ
Q: Can I use a Ryzen 7 5700X3D with this motherboard? A: Yes, the B550 Taichi fully supports Ryzen 5000 series CPUs including the 5700X3D. Ensure your BIOS is updated to version P1.20 or later for optimal compatibility. Q: Does the board support PCIe 4.0 graphics cards in all slots? A: No, only the primary PCIe x16 slot (closest to the CPU) supports PCIe 4.0. The other PCIe slots are chipset-connected and limited to PCIe 3.0. Always install your GPU in the top slot for best performance. Q: What is the maximum memory overclock I can expect? A: Officially rated for DDR4-4733+ (OC), real-world results depend on your CPU's memory controller and RAM kit quality. With Ryzen 5000 series, DDR4-3600 to DDR4-3800 is a realistic target for stable daily use.

Product Disclosure (Amazon)

  • Manufacturer: ASRock
  • ASIN: B089RBRJMF
  • Note: This article covers a manufacturer-made product based on Amazon listing details.