ASUS PRIME B840M-R vs GIGABYTE A520M DS3H AC (Rev. 1.4)

Key differences

The GIGABYTE A520M DS3H AC (Rev. 1.4) has 2 more memory slots than the ASUS PRIME B840M-R (4 vs 2). The ASUS PRIME B840M-R has 2,867 MHz more supported memory clock speed (max) than the GIGABYTE A520M DS3H AC (Rev. 1.4) (7600 MHz vs 4733 MHz). The ASUS PRIME B840M-R has 1 more storage drives supported than the GIGABYTE A520M DS3H AC (Rev. 1.4) (6 vs 5). Only the GIGABYTE A520M DS3H AC (Rev. 1.4) has Wi-Fi. Processor socket: Socket AM5 on the ASUS PRIME B840M-R, Socket AM4 on the GIGABYTE A520M DS3H AC (Rev. 1.4).

• Processor socket
  • PRIME B840M-R:Socket AM5
  • A520M DS3H AC (Rev. 1.4):Socket AM4
• Supported memory types
  • PRIME B840M-R:DDR5-SDRAM
  • A520M DS3H AC (Rev. 1.4):DDR4-SDRAM
• Number of memory slots
  • PRIME B840M-R:2
  • A520M DS3H AC (Rev. 1.4):4
• ECC сompatibility
  • PRIME B840M-R:Non-ECC
  • A520M DS3H AC (Rev. 1.4):ECC & Non-ECC
• Supported memory clock speed (max)
  • PRIME B840M-R:7600 MHz
  • A520M DS3H AC (Rev. 1.4):4733 MHz
• Supported storage drive interfaces
  • PRIME B840M-R:M.2, SATA III
  • A520M DS3H AC (Rev. 1.4):PCI Express 3.0, SATA III
• Number of storage drives supported
  • PRIME B840M-R:6
  • A520M DS3H AC (Rev. 1.4):5
• RAID levels
  • PRIME B840M-R:0, 1, 5, 10
  • A520M DS3H AC (Rev. 1.4):0, 1, 10