GIGABYTE B550M GAMING X (Rev. 1.2) vs GIGABYTE B840M D2H (Rev. 1.1)

Key differences

The GIGABYTE B550M GAMING X (Rev. 1.2) has 2 more memory slots than the GIGABYTE B840M D2H (Rev. 1.1) (4 vs 2). The GIGABYTE B840M D2H (Rev. 1.1) has 4,400 MHz more supported memory clock speed (max) than the GIGABYTE B550M GAMING X (Rev. 1.2) (7600 MHz vs 3200 MHz). The GIGABYTE B840M D2H (Rev. 1.1) has 32 GB more maximum internal memory per slot than the GIGABYTE B550M GAMING X (Rev. 1.2) (64 GB vs 32 GB). Processor socket: Socket AM4 on the GIGABYTE B550M GAMING X (Rev. 1.2), Socket AM5 on the GIGABYTE B840M D2H (Rev. 1.1). Supported processor sockets: Socket AM4 on the GIGABYTE B550M GAMING X (Rev. 1.2), Socket AM5 on the GIGABYTE B840M D2H (Rev. 1.1).

• Processor socket
  • B550M GAMING X (Rev. 1.2):Socket AM4
  • B840M D2H (Rev. 1.1):Socket AM5
• Supported processor sockets
  • B550M GAMING X (Rev. 1.2):Socket AM4
  • B840M D2H (Rev. 1.1):Socket AM5
• Supported memory types
  • B550M GAMING X (Rev. 1.2):DDR4-SDRAM
  • B840M D2H (Rev. 1.1):DDR5-SDRAM
• Number of memory slots
  • B550M GAMING X (Rev. 1.2):4
  • B840M D2H (Rev. 1.1):2
• ECC сompatibility
  • B550M GAMING X (Rev. 1.2):ECC & Non-ECC
  • B840M D2H (Rev. 1.1):Non-ECC
• Supported memory clock speed (max)
  • B550M GAMING X (Rev. 1.2):3200 MHz
  • B840M D2H (Rev. 1.1):7600 MHz
• Maximum internal memory per slot
  • B550M GAMING X (Rev. 1.2):32 GB
  • B840M D2H (Rev. 1.1):64 GB
• RAID levels
  • B550M GAMING X (Rev. 1.2):0, 1, 10
  • B840M D2H (Rev. 1.1):0, 1, 5, 10