ASRock B550M Steel Legend / Motherboard / micro ATX / Socket AM4 / AMD B550 Chipset / USB-C Gen2, USB 3.2 Gen 1, USB 3.2 Gen 2 / 2.5 Gigabit LAN / onboard graphics (CPU required) / HD Audio (8-channel) | 90-MXBCU0-A0UAYZ

Product Features

• Tough as steel true legend
  Steel Legend represents the philosophical state of rock-solid durability and irresistible aesthetics. Built around most demanding specs and features, the Steel Legend series aims at daily users and mainstream enthusiasts! Providing a strong array of materials/components to ensure a stable and reliable performance.
• PCIe 4.0 for everyone
  The AMD BS50 chipset mikes PCIe 4 0 possible for anyone who wants higher performance, bandwidth and speed. Ready for 3rd Gen AMO Ryzen" processors and beyond.
• Nahimic Audio
  Whether you are using headphones, a headset, external or internal speakers, via USB, Wi-Fi, analog output or even HDMI, Nahimic Audio offers you the most engaging listening experience, vibrant and rich with details. The Sound Tracker is a visual indicator that points out the directions from which predominant sounds are coming. Each sound is properly positioned in 360° on a radar for a full immersion during the game.
• Dr. MOS
  Dr.MOS is the integrated power stage solution which is optimized for synchronous buck-set down voltage applications! Compared to traditional discrete MOSFETs, it intelligently delivers higher current for each phase, thus providing improved thermal result and superior performance.
• Premium 60A power choke
  Compared to traditional chokes, ASRock's premium 60A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.
• Hi-density power connector
  Reduces 23% power loss and decreases the connector's temperature by 22 degrees Celsius.
• 2oz copper PCB
  2 ounce copper inner layers that provide stable signal traces and power shapes! Delivering lower temperature and higher energy efficiency for overclocking, it's able to support the latest DDR4 memory modules with most extreme memory performance!
• Rule your own lighting way - polychrome RGB
  ASRock motherboards deliver stunning performance and superior aesthetics to rule your own colorful lighting way! ASRock offers a very comprehensive control to perform the built-in RGB LEDs or the connected LED strips, CPU fans, coolers, chassis and any RGB devices smoothly. Devices can be synchronized across the Polychrome RGB Sync-certified accessories as well.
• Dragon 2.5 Gb/s LAN
  The intelligent 2.5Gb/s LAN platform is built for maximum networking performance for the demanding requirements of home networking, content creators, online gamers and high-quality streaming media. Boost networking performance up to 2.5X the bandwidth compared to the standard gigabit Ethernet, you'll enjoy the faster and uncompromised connectivity experience for gaming, file transfers and backups. Automatically detects and accelerates game traffic ahead of other network traffic for smoother, stutter-free in-game performance and the competitive edge.
• A solid M.2-solution performer
  Ready for higher capacity and even faster Type 22110 M.2 NVMe SSD to fulfill the need of performance. Hyper M.2 socket that supports PCIe Gen4 x4 while M.2 socket is capable of running PCIe Gen3 x2 and SATA3 mode.
• M.2 armors
  Good M.2 SSD protection is important for longevity and stability. ASRock provides a completed M.2 armor solution that makes SSDs to run in a certain low temperature.
• Reinforced steel slot [PCIe 4.0 version]
  The reinforced steel slot comes with the next generation PCI Express 4.0 standard. The various benefits include extra anchor points, stronger latch, ensure signal stability, make sure heavy graphics cards to be well-installed.
• Dual USB 3.2 Gen2 (Type-A + Type-C)
  This motherboard has a pair of onboard Type-A and Type-C USB 3.2 Gen2 ports built on the rear i/o for supporting next generation USB 3.2 Gen2 devices and to deliver up to 10 Gbps data transfer rates.
• M.2 (KEY E) for WiFi
  Besides the onboard LAN port, users may also choose 802.11ac wireless connections by M.2 (Key E) slot.
• Flexible integrated I/O shield
  Unlike most so called pre-mounted I/O shield that is only decorated with fancy color schemes. ASRock reserves more tolerance space and allow IO shield is adjustable when installing, thus fitting chassis perfectly without any mechanical issue.
• Dual graphics outputs
  Complete with two types of most used connectors! Packed with a HDMI + DisplayPort combo, you have more graphics output options now.
• XXL aluminum alloy heatsink
  Extra large aluminum alloy heat sinks that effectively take away heat from the MOSFET and chipset so that your whole system may perform more stable.
• Nichicon 12K black caps
  Supreme 12K black capacitors with lifespans of at least 12,000 hours. Compared to other counterparts on high-end motherboards that merely have lifespans of around 10,000 hours, ASRock applied Nichicon 12K Black Caps that offer 20% longer lifespans and provide more stability and reliability.
• I/O armor
  A new designed protective cover for all of the crucial parts near the motherboard's rear I/O, so that they won't easily be damaged by static electricity.
• Matte black PCB
  A new mysterious matte black and copper color scheme to match the prestigious components on ASRock's high-end motherboards.
• High Density Glass Fabric PCB
  High Density Glass Fabric PCB design that reduces the gaps between the PCB layers to protect the motherboard against electrical shorts caused by humidity.
• Gold audio jacks
  Everything will wear off in time, but gold looks better! Gold audio jack provides stable sound transmission!
• Full Spike Protection
  Some sensitive digital components on the motherboard are vulnerable to power surges, the excessive current may cause your system to malfunction immediately. ASRock Full Spike Protection includes various technologies to prevent your motherboard's components from being damaged by these unexpected voltage spikes.
• Live update & APP Shop
  ASRock Live Update & APP Shop is designed for your convenience. ASRock provides various apps and support software for users to download. You can also easily optimize your system and keep your motherboard up to date with ASRock Live Update & APP Shop.

Special Features

• Tough as steel true legend
• PCIe05 4.0 for everyone
• Nahimic Audio
• Hi-density power connector
• 2oz copper PCB
• Rule your own lighting way - polychrome RGB
• Dragon 2.5 Gb/s LAN
• A solid M.2-solution performer
• M.2 armors
• Reinforced steel slot [PCIe 4.0 version]
• Dual USB 3.2 Gen2 (Type-A + Type-C)
• M.2 (KEY E) for WiFi
• Flexible integrated I/O shield
• Dual graphics outputs
• XXL aluminum alloy heatsink
• Premium 60A power choke
• Nichicon 12K black caps
• I/O armor
• Matte black PCB
• High Density Glass Fabric PCB
• Gold audio jacks
• Full Spike Protection

Product Specification