ASRock B550M-ITX/AC Motherboard

ASRock B550M-ITX/AC Mini-ITX

ASRock B550M-ITX/AC Mini-ITX

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  • Supports 3Rd Gen AMD AM4 Ryzen / Future AMD Ryzen Processors
  • Supports DDR4 4733+ (OC)
  • Graphics Output: Displayport, HDMI
  • 7.1 CH HD Audio (Realtek ALC887 Audio Codec)
  • 4 SATA3, 1 Hyper M.2 (Pcie Gen4 X4 & SATA3)

Specifications Overview

Model
  • B550M-ITX/AC
  • 90-MXBDH0-A0UAYZ
Release Date June 2020

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

Socket AM4
Form factor Mini ITX
Chipset AMD B550
Supported Memory DDR4
2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz 3466Mhz 3600Mhz 3733Mhz 3800Mhz 3866Mhz 4000Mhz 4133Mhz 4200Mhz 4266Mhz 4333Mhz 4400Mhz 4533Mhz 4600Mhz
* 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 ALC887
Audio Channels 7.1 Channels
LAN Chipset Realtek RTL8111H
Max LAN Speed 10/100/1000Mbps
SLI Support
CrossFire Support
RAID Support
Back I/O Ports
  • 2 x Antenna Ports
  • 1 x PS/2 Mouse/Keyboard Port
  • 1 x HDMI Port
  • 1 x DisplayPort 1.4
  • 2 x USB 2.0 Ports (Supports ESD Protection)
  • 3 x USB 3.2 Gen1 Type-A Ports (Supports ESD Protection)
  • 1 x USB 3.2 Gen1 Type-C Port (Supports ESD Protection)
  • 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
  • HD Audio Jacks: Line in / Front Speaker / Microphone
Wireless LAN
Wi-Fi Generation 5
PCI-Express x16 Slots 1
PCI-Express x4 Slots 0
PCI-Express x1 Slots 0
SATA 6 Gbps Ports 4
SATA Express Ports 0
M.2 Ports 2
M.2 Devices support
  • 2280 - M Key
  • 2230 - E Key
RAM Slots 2
Maximum Supported RAM 64 GB
Onboard USB 2.0 1
Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 0


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