Compare Detail

• PRIME B550M-K
  90MB14V0-M0EAY0
  Model
  X399 TAICHI
• 7.1 Channels
  Audio channels
  7.1 Channels
• Realtek ALC887
  Audio chipset
  Realtek ALC1220
• 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
  2 x Antenna Ports
  1 x PS/2 Mouse/Keyboard Port
  1 x Optical SPDIF Out Port
  1 x USB 3.1 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
  1 x USB 3.1 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection)
  8 x USB 3.1 Gen1 Ports (Supports ESD Protection)*
  2 x RJ-45 LAN Ports with LED (ACT/LINK LED and SPEED LED)
  1 x BIOS Flashback Switch
  HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
  * Ultra USB Power is supported on USB3_6 port.
  * ACPI wake-up function is not supported on USB3_6 port.
• AMD B550
  Chipset
  AMD X399
• No
  Crossfire support
  Yes
• Yes
  Ecc ram support
  Yes
• Micro ATX
  Form factor
  ATX
• Realtek RTL8111H
  Lan chipset
  Intel i211AT
• 2242 / 2260 / 2280 / 22110 - M Key
  2242 / 2260 / 2280 - M Key
  M2 devices support
  2242 / 2260 / 2280 - M Key
  2242 / 2260 / 2280 - M Key
  2230 / 2242 / 2260 / 2280 - M Key
  2230 - E Key
• 2
  M2 ports
  4
• 10/100/1000Mbps
  Max lan speed
  Dual 10/100/1000Mbps
• 128GB
  Maximum supported ram
  128GB
• 2
  Onboard usb 20
  2
• 1
  Onboard usb 32 gen 1
  2
• 1
  Pci express x16 slots
  4
• 2
  Pci express x1 slots
  1
• Yes
  Raid support
  Yes
• 4
  Ram slots
  8
• June 2020
  Release date
  February 2018
• 4
  Sata 6 gbps ports
  8
• No
  Sli support
  Yes
• AM4
  Socket
  sTR4
• 2133Mhz
  2400Mhz
  2666Mhz
  2800Mhz
  3000Mhz
  3200Mhz
  3333Mhz
  3466Mhz
  3600Mhz
  3733Mhz
  3866Mhz
  4000Mhz
  4133Mhz
  4266Mhz
  4400Mhz
  4600Mhz
  Supported memory
  2133Mhz
  2400Mhz
  2666Mhz
  2933Mhz
  3200Mhz
  3600Mhz
• No
  Wireless lan
  Yes