Compare Detail

• PRIME B550M-K
  90MB14V0-M0EAY0
  Model
  ROG MAXIMUS XII EXTREME
  90MB12J0-M0EAY0
• 7.1 Channels
  Audio channels
  8 Channels
• Realtek ALC887
  Audio chipset
  ROG SupremeFX High Definition Audio CODEC S1220
• 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)
  Back io ports
  1 x USB 3.2 Gen 2x2 port(s) (1 x USB Type-C)
  3 x USB 3.2 Gen 2 port(s) (2 x Type-A + 1 x USB Type-C)
  6 x USB 3.2 Gen 1 port(s) (6 x Type-A)
  2 x USB 2.0 port(s) (2 x Type-A)
  1 x ASUS Wi-Fi Module
  1 x Intel I225-V Ethernet port
  1 x Marvell AQtion AQC107 10Gb Ethernet port
  5 x LED-illuminated audio jacks
  1 x Optical S/PDIF out port
  1 x BIOS FlashBack button
  1 x Clear CMOS button
• AMD B550
  Chipset
  Intel Z490
• No
  Crossfire support
  Yes
• Yes
  Ecc ram support
  No
• Micro ATX
  Form factor
  EATX
• Realtek RTL8111H
  Lan chipset
  AQUANTIA AQC107
• 2242 / 2260 / 2280 / 22110 - M Key
  2242 / 2260 / 2280 - M Key
  M2 devices support
  2242 / 2260 / 2280 - M Key
  2242 / 2260 / 2280 - M Key
  2242 / 2260 / 2280 / 22110 - M Key
  2242 / 2260 / 2280 / 22110 - M Key
• 2
  M2 ports
  4
• 10/100/1000Mbps
  Max lan speed
  10Gbps + 10/100/1000/2500Mbps
• 128GB
  Maximum supported ram
  128 GB
• 2
  Onboard usb 20
  2
• 1
  Onboard usb 32 gen 1
  2
• 0
  Onboard usb 32 gen 2
  2
• 1
  Pci express x16 slots
  2
• 2
  Pci express x1 slots
  0
• 0
  Pci express x4 slots
  1
• Yes
  Raid support
  Yes
• 4
  Ram slots
  4
• June 2020
  Release date
  May 2020
• 4
  Sata 6 gbps ports
  8
• No
  Sli support
  Yes
• AM4
  Socket
  LGA1200
• 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
  3866Mhz
  4000Mhz
  4133Mhz
  4266Mhz
  4400Mhz
  4500Mhz
  4600Mhz
  4700Mhz
  4800Mhz
• No
  Wireless lan
  Yes