ASROCK B550M Steel Legend Motherboard (Bulk)

Key Features

  • Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors*
  • 10 Power Phase Design, Dr. MOS
  • Supports DDR4 4733+ (OC)
  • 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1, 1 M.2 Key E for WiFi
  • Graphics Output Options: HDMI, DisplayPort
  • AMD CrossFireX™
  • 7.1 CH HD Audio (Realtek ALC1220/ALC1200 Audio Codec), Nahimic Audio
  • 6 SATA3, 1 Hyper M.2 (PCIe Gen4 x4), 1 M.2 (PCIe Gen3 x2 & SATA3)
  • 2 USB 3.2 Gen2 (Rear Type A+C), 8 USB 3.2 Gen1 (4 Front, 4 Rear)
  • Dragon 2.5G LAN

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The ASRock B550M Steel Legend motherboard offers several unique features, including ASRock USB 3.2 Gen2 with Type-A and Type-C ports, ASRock Super Alloy components such as an XXL Aluminum Alloy Heatsink, Premium 60A Power Choke, 50A Dr.MOS, and Nichicon 12K Black Caps for high-quality performance. It also includes 2.5G LAN, ASRock Steel Slot Gen4, ASRock Full Coverage M.2 Heatsink, ASRock Hyper M.2 (PCIe Gen4x4), ASRock POST Status Checker (PSC), and ASRock Full Spike Protection for USB, audio, and LAN ports.

The motherboard supports AMD AM4 Socket Ryzen 3000, 3000 G-Series, 4000 G-Series, 5000, and 5000 G-Series Desktop Processors with Digi Power and 10 Power Phase design. It is based on the AMD B550 chipset.

In terms of memory, it supports Dual Channel DDR4 Memory Technology with four DDR4 DIMM slots. The supported memory frequencies depend on the CPU used, ranging from DDR4 2133 to DDR4 4733+ (with overclocking support) and ECC and non-ECC configurations. The maximum system memory capacity is 128GB, and it supports Extreme Memory Profile (XMP) memory modules.

For graphics, the motherboard features integrated AMD Radeon Vega Series Graphics in Ryzen Series APUs, supporting DirectX 12 and offering HDMI and DisplayPort outputs. The maximum resolutions supported are 4K x 2K @ 60Hz with HDMI 2.1 and 5K @ 120Hz with DisplayPort 1.4. It also supports features like Auto Lip Sync, Deep Color, and HDR.

Networking capabilities include a 2.5 Gigabit LAN port with Dragon RTL8125BG and various software features for bandwidth control and network optimization.

Expansion slots consist of two PCI Express x16 slots (Gen4x16 mode for Vermeer CPUs and Gen3 x4 mode for Matisse CPUs) for AMD Ryzen series CPUs, while for APUs, it offers one PCI Express x16 slot (Gen3x16 mode for Cezanne and Renoir APUs, and Gen3x8 mode for Picasso APUs) and one PCI Express 3.0 x1 slot. The motherboard supports AMD Quad CrossFireX and CrossFireX technology.

In terms of storage, it provides six SATA3 6.0 Gb/s connectors with support for RAID 0, RAID 1, and RAID 10. It also offers two M.2 sockets, one supporting Gen4x4 (64 Gb/s) or Gen3x4 (32 Gb/s) modules and the other supporting M Key type 2280 M.2 SATA3 6.0 Gb/s modules and Gen3 x2 (16 Gb/s) PCIe modules.

The motherboard includes various headers and connectors for power, fans, audio, USB, RGB LEDs, and more. The rear panel I/O features PS/2, HDMI, DisplayPort, USB 3.2 Gen2 Type-A and Type-C ports, USB 3.2 Gen1 ports, USB 2.0 ports, LAN port, Clear CMOS button, and audio jacks.

Software-wise, it comes with ASRock Motherboard Utility (A-Tuning) and ASRock Polychrome SYNC for customization, and the UEFI provides ASRock Full HD UEFI and Instant Flash. It also includes hardware monitoring features for temperature, fan speed, and voltage.

The ASRock B550M Steel Legend motherboard follows the Micro ATX form factor with a size of 9.6 inches x 9.