ASRock B550 STEEL LEGEND Review & Specs

ASRock B550 Steel Legend AMD AM4 ATX

ASRock B550 Steel Legend AMD AM4 ATX

- ASRock

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  • Supports 3Rd Gen AMD AM4 Ryzen / Future AMD Ryzen Processors
  • Supports DDR4 4733+ (OC)
  • 14 Power Phase Design, Digi Power, Dr. MOS
  • 1 Pcie 4.0 X16, 1 Pcie 3.0 X16, 2 Pcie 3.0 X1, 1 M.2 Key E For Wifi
  • Graphics Output Options: HDMI, Displayport

Specifications Overview

Model
  • B550 STEEL LEGEND
  • 90-MXBDF0-A0UAYZ
Release Date June 2020

* First availability for purchase, it may not correspond to the actual market launch date.

Socket AM4
Form factor ATX
Chipset AMD B550
Supported Memory DDR4:
2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz 3466Mhz 3600Mhz 3733Mhz 3800Mhz 3866Mhz 4000Mhz 4133Mhz 4200Mhz 4266Mhz 4333Mhz 4533Mhz 4600Mhz 4666Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS
** RAM support may also depend on the CPU memory controller
ECC RAM Support
* ECC memory support also depends on the CPU memory controller
Audio Chipset Realtek ALC1220
Audio Channels 7.1 Channels
LAN Chipset Dragon RTL8125BG
Max LAN Speed 10/100/1000/2500Mbps
SLI Support
CrossFire Support
RAID Support
Back I/O Ports
  • - 2 x Antenna Ports (on I/O Panel Shield)
  • - 1 x PS/2 Mouse/Keyboard Port
  • - 1 x HDMI Port
  • - 1 x DisplayPort 1.4
  • - 1 x Optical SPDIF Out Port
  • - 1 x USB 3.2 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
  • - 1 x USB 3.2 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection)
  • - 2 x USB 3.2 Gen1 Ports (Supports ESD Protection)
  • - 4 x USB 2.0 Ports (Supports ESD Protection)*
  • - 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
  • - HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
  • * Ultra USB Power is supported on USB_34 ports.
  • * ACPI wake-up function is not supported on USB_34 ports.
Wireless LAN
PCI-Express x16 Slots 2
PCI-Express x4 Slots 0
PCI-Express x1 Slots 2
SATA 6 Gbps Ports 6
SATA Express Ports 0
M.2 Ports 3
M.2 Devices support
  • 2242 / 2260 / 2280 - M Key
  • 2242 / 2260 / 2280 / 22110 - M Key
  • 2230 - E Key
RAM Slots 4
Maximum Supported RAM 128GB
Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 1


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