Compare Detail

• PRIME A520M-A/CSM
  Model
  B550M/AC
• 7.1 Channels
  Audio channels
  7.1 Channels
• Realtek ALC887
  Audio chipset
  Realtek ALC1200
• 4 x USB 3.2 Gen 1 ports (4 x Type-A)
  2 x USB 2.0 ports (2 x Type-A)
  1 x DVI-D
  1 x D-Sub
  1 x HDMI port
  1 x Realtek RTL8111H 1Gb Ethernet port
  3 x Audio jacks
  1 x PS/2 Keyboard/Mouse combo port
  Back io ports
  2 x Antenna Ports
  1 x PS/2 Mouse/Keyboard Port
  1 x HDMI Port
  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
• AMD A520
  Chipset
  AMD B550
• No
  Crossfire support
  Yes
• No
  Ecc ram support
  Yes
• Micro ATX
  Form factor
  Micro ATX
• Realtek RTL8111H
  Lan chipset
  Realtek RTL8111H
• 2242 / 2260 / 2280 / 22110 - M Key
  M2 devices support
  2280 - M Key
• 1
  M2 ports
  1
• 10/100/1000Mbps
  Max lan speed
  10/100/1000Mbps
• 128 GB
  Maximum supported ram
  128GB
• 2
  Onboard usb 20
  2
• 1
  Onboard usb 32 gen 1
  2
• 1
  Pci express x16 slots
  2
• 2
  Pci express x1 slots
  1
• Yes
  Raid support
  Yes
• 4
  Ram slots
  4
• November 2020
  Release date
  September 2020
• 4
  Sata 6 gbps ports
  4
• No
  Sli support
  No
• AM4
  Socket
  AM4
• 2133Mhz
  2400Mhz
  2666Mhz
  2800Mhz
  3000Mhz
  3200Mhz
  3333Mhz
  3466Mhz
  3600Mhz
  3733Mhz
  3866Mhz
  4000Mhz
  4133Mhz
  4266Mhz
  4400Mhz
  4600Mhz
  4800Mhz
  Supported memory
  2133Mhz
  2400Mhz
  2666Mhz
  2933Mhz
  3200Mhz
  3466Mhz
  3600Mhz
  3733Mhz
  3800Mhz
  3866Mhz
  4000Mhz
  4133Mhz
  4200Mhz
  4266Mhz
  4333Mhz
  4400Mhz
  4533Mhz
• No
  Wireless lan
  Yes