Compare Detail

• Prime B450M-A II
  90MB15Z0-M0AAY0
  Model
  PRIME B550-PLUS
  90MB14U0-M0EAY0
• 7.1 Channels
  Audio channels
  7.1 Channels
• Realtek High Definition Audio CODEC
  Audio chipset
  Realtek ALC887
• 1 x PS/2 keyboard/mouse combo port(s)
  1 x DVI-D
  1 x D-Sub
  1 x HDMI
  1 x LAN (RJ45) port(s)
  2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A)
  4 x USB 3.2 Gen 1 (blue) Type-A
  3 x Audio jack(s)
  1 x BIOS FlashBack Button(s)
  Back io ports
  2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C)
  4 x USB 3.2 Gen 1 ports (4 x Type-A)
  2 x USB 2.0 ports (2 x Type-A)
  1 x DisplayPort
  1 x HDMI port
  1 x Realtek 8111H Ethernet port
  5 x Audio jacks
  1 x Optical S/PDIF out port
• AMD B450
  Chipset
  AMD B550
• No
  Crossfire support
  Yes
• No
  Ecc ram support
  Yes
• Micro ATX
  Form factor
  ATX
• Realtek RTL8111H
  Lan chipset
  Realtek RTL8111H
• 2242 / 2260 / 2280 / 22110 - M Key
  M2 devices support
  2242 / 2260 / 2280 / 22110 - M Key
  2242 / 2260 / 2280 / 22110 - M Key
• 1
  M2 ports
  2
• 10/100/1000Mbps
  Max lan speed
  10/100/1000Mbps
• 128 GB
  Maximum supported ram
  128 GB
• 2
  Onboard usb 20
  2
• 1
  Onboard usb 32 gen 1
  1
• 1
  Pci express x16 slots
  2
• 2
  Pci express x1 slots
  3
• Yes
  Raid support
  Yes
• 4
  Ram slots
  4
• October 2020
  Release date
  June 2020
• 6
  Sata 6 gbps ports
  6
• No
  Sli support
  No
• AM4
  Socket
  AM4
• 2133Mhz
  2400Mhz
  2666Mhz
  2800Mhz
  3000Mhz
  3200Mhz
  3300Mhz
  3400Mhz
  3466Mhz
  3600Mhz
  3733Mhz
  3866Mhz
  4000Mhz
  4400Mhz
  Supported memory
  2133Mhz
  2400Mhz
  2666Mhz
  2800Mhz
  3000Mhz
  3200Mhz
  3333Mhz
  3466Mhz
  3600Mhz
  3733Mhz
  3866Mhz
  4000Mhz
  4133Mhz
  4266Mhz
  4400Mhz
  4600Mhz
• No
  Wireless lan
  No