Compare Detail

• B550M PRO4
  Model
  A520M Pro4
  90-MXBDU0-A0UAYZ
• 7.1 Channels
  Audio channels
  7.1 Channels
• Realtek ALC1200
  Audio chipset
  Realtek ALC1200
• Antenna Bracket
  1 x PS/2 Mouse/Keyboard Port
  1 x D-Sub Port
  1 x HDMI Port
  1 x DisplayPort 1.4
  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)
  4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection)
  2 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: Line in / Front Speaker / Microphone
  Back io ports
  Antenna Bracket
  1 x PS/2 Mouse/Keyboard Port
  1 x D-Sub Port
  1 x HDMI Port
  1 x DisplayPort 1.4
  1 x USB 3.2 Gen1 Type-A Port (Supports ESD Protection)
  4 x USB 3.2 Gen1 Type-A Ports (ASMedia ASM1074 hub) (Supports ESD Protection)
  1 x USB 3.2 Gen1 Type-C Port (Supports ESD Protection)
  2 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: Line in / Front Speaker / Microphone
• AMD B550
  Chipset
  AMD A520
• Yes
  Crossfire support
  No
• Yes
  Ecc ram support
  No
• Micro ATX
  Form factor
  Micro ATX
• Realtek RTL8111H
  Lan chipset
  Realtek RTL8111H
• 2280 - M Key
  2280 - M Key
  2230 - E Key
  M2 devices support
  2280 - M Key
  2280 - M Key
  2230 - E Key
• 3
  M2 ports
  3
• 10/100/1000Mbps
  Max lan speed
  10/100/1000Mbps
• 128GB
  Maximum supported ram
  128GB
• 2
  Onboard usb 20
  2
• 2
  Onboard usb 32 gen 1
  2
• 2
  Pci express x16 slots
  2
• 1
  Pci express x1 slots
  0
• Yes
  Raid support
  Yes
• 4
  Ram slots
  4
• June 2020
  Release date
  January 2021
• 6
  Sata 6 gbps ports
  4
• No
  Sli support
  No
• AM4
  Socket
  AM4
• 2133Mhz
  2400Mhz
  2666Mhz
  2933Mhz
  3200Mhz
  3466Mhz
  3600Mhz
  3733Mhz
  3800Mhz
  3866Mhz
  4000Mhz
  4133Mhz
  4200Mhz
  4266Mhz
  4333Mhz
  4400Mhz
  4533Mhz
  Supported memory
  2133Mhz
  2400Mhz
  2666Mhz
  2933Mhz
  3200Mhz
  3466Mhz
  3600Mhz
  3733Mhz
  3800Mhz
  3866Mhz
  4000Mhz
  4133Mhz
  4200Mhz
  4266Mhz
  4333Mhz
  4400Mhz
  4533Mhz
  4600Mhz
  4666Mhz
  4733Mhz
• No
  Wireless lan
  No