Compare Detail

• PRIME B550M-A/CSM
  Model
  X299M-A PRO
• 7.1 Channels
  Audio channels
  7.1-Channel High Definition Audio
  Supports S/PDIF output
• Realtek ALC887
  Audio chipset
  Realtek ALC1220
• 2 x USB 3.2 Gen 2 ports (2 x Type-A)
  4 x USB 3.2 Gen 1 ports (4 x Type-A)
  1 x D-Sub port
  1 x DVI-D port
  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
• AMD B550
  Chipset
  Intel X299
• No
  Crossfire support
  Yes
• Yes
  Ecc ram support
  No
• Micro ATX
  Form factor
  Micro ATX
• Realtek RTL8111H
  Lan chipset
  Intel I219-V
• 2242 / 2260 / 2280 / 22110 - M Key
  2242 / 2260 / 2280 - M Key
  M2 devices support
  2242 / 2260 / 2280 / 22110 - M Key
  2242 / 2260 / 2280 - M Key
• 2
  M2 ports
  2
• 10/100/1000Mbps
  Max lan speed
  10/100/1000Mbps
• 128 GB
  Maximum supported ram
  64 GB
• 2
  Onboard usb 20
  2
• 1
  Onboard usb 32 gen 1
  2
• 1
  Pci express x16 slots
  3
• 2
  Pci express x1 slots
  0
• Yes
  Raid support
  Yes
• 4
  Ram slots
  4
• June 2020
  Release date
  April 2019
• 4
  Sata 6 gbps ports
  8
• No
  Sli support
  Yes
• AM4
  Socket
  LGA2066
• 2133Mhz
  2400Mhz
  2666Mhz
  2800Mhz
  3000Mhz
  3200Mhz
  3333Mhz
  3466Mhz
  3600Mhz
  3733Mhz
  3866Mhz
  4000Mhz
  4133Mhz
  4266Mhz
  4400Mhz
  4600Mhz
  Supported memory
  2133Mhz
  2400Mhz
  2666Mhz
  2800Mhz
  2933Mhz
  3000Mhz
  3200Mhz
  3333Mhz
  3400Mhz
  3466Mhz
  3600Mhz
  3733Mhz
  3800Mhz
  3866Mhz
  4000Mhz
  4133Mhz
• No
  Wireless lan
  No