GIGABYTE B550M AORUS ELITE AX (REV. 1.4) vs GIGABYTE B840M D2H (Rev. 1.1)

Key differences

The GIGABYTE B550M AORUS ELITE AX (REV. 1.4) has 2 more memory slots than the GIGABYTE B840M D2H (Rev. 1.1) (4 vs 2). The GIGABYTE B840M D2H (Rev. 1.1) has 2,867 MHz more supported memory clock speed (max) than the GIGABYTE B550M AORUS ELITE AX (REV. 1.4) (7600 MHz vs 4733 MHz). The GIGABYTE B840M D2H (Rev. 1.1) has 32 GB more maximum internal memory per slot than the GIGABYTE B550M AORUS ELITE AX (REV. 1.4) (64 GB vs 32 GB). Only the GIGABYTE B550M AORUS ELITE AX (REV. 1.4) has Wi-Fi. Processor socket: Socket AM4 on the GIGABYTE B550M AORUS ELITE AX (REV. 1.4), Socket AM5 on the GIGABYTE B840M D2H (Rev. 1.1).

• Processor socket
  • B550M AORUS ELITE AX (REV. 1.4):Socket AM4
  • B840M D2H (Rev. 1.1):Socket AM5
• Supported processor sockets
  • B550M AORUS ELITE AX (REV. 1.4):Socket AM4
  • B840M D2H (Rev. 1.1):Socket AM5
• Supported memory types
  • B550M AORUS ELITE AX (REV. 1.4):DDR4-SDRAM
  • B840M D2H (Rev. 1.1):DDR5-SDRAM
• Number of memory slots
  • B550M AORUS ELITE AX (REV. 1.4):4
  • B840M D2H (Rev. 1.1):2
• ECC сompatibility
  • B550M AORUS ELITE AX (REV. 1.4):ECC & Non-ECC
  • B840M D2H (Rev. 1.1):Non-ECC
• Supported memory clock speed (max)
  • B550M AORUS ELITE AX (REV. 1.4):4733 MHz
  • B840M D2H (Rev. 1.1):7600 MHz
• Maximum internal memory per slot
  • B550M AORUS ELITE AX (REV. 1.4):32 GB
  • B840M D2H (Rev. 1.1):64 GB
• Supported storage drive interfaces
  • B550M AORUS ELITE AX (REV. 1.4):M.2, SATA III
  • B840M D2H (Rev. 1.1):PCI Express 4.0, SATA III