Compare Detail

• Prime B450M-A II
  90MB15Z0-M0AAY0
  Model
  B550 STEEL LEGEND
  90-MXBDF0-A0UAYZ
• 7.1 Channels
  Audio channels
  7.1 Channels
• Realtek High Definition Audio CODEC
  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)
  1 x BIOS FlashBack Button(s)
  Back io ports
  - 2 x Antenna Ports (on I/O Panel Shield)
  - 1 x PS/2 Mouse/Keyboard Port
  - 1 x HDMI Port
  - 1 x DisplayPort 1.4
  - 1 x Optical SPDIF Out Port
  - 1 x USB 3.2 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
  - 1 x USB 3.2 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection)
  - 2 x USB 3.2 Gen1 Ports (Supports ESD Protection)
  - 4 x USB 2.0 Ports (Supports ESD Protection)*
  - 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
  - HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
  * Ultra USB Power is supported on USB_34 ports.
  * ACPI wake-up function is not supported on USB_34 ports.
• AMD B450
  Chipset
  AMD B550
• No
  Crossfire support
  Yes
• No
  Ecc ram support
  Yes
• Micro ATX
  Form factor
  ATX
• Realtek RTL8111H
  Lan chipset
  Dragon RTL8125BG
• 2242 / 2260 / 2280 / 22110 - M Key
  M2 devices support
  2242 / 2260 / 2280 - M Key
  2242 / 2260 / 2280 / 22110 - M Key
  2230 - E Key
• 1
  M2 ports
  3
• 10/100/1000Mbps
  Max lan speed
  10/100/1000/2500Mbps
• 128 GB
  Maximum supported ram
  128 GB
• 2
  Onboard usb 20
  2
• 1
  Onboard usb 32 gen 1
  1
• 0
  Onboard usb 32 gen 2
  1
• 1
  Pci express x16 slots
  2
• 2
  Pci express x1 slots
  2
• Yes
  Raid support
  Yes
• 4
  Ram slots
  4
• October 2020
  Release date
  June 2020
• 6
  Sata 6 gbps ports
  6
• No
  Sli support
  No
• AM4
  Socket
  AM4
• 2133Mhz
  2400Mhz
  2666Mhz
  2800Mhz
  3000Mhz
  3200Mhz
  3300Mhz
  3400Mhz
  3466Mhz
  3600Mhz
  3733Mhz
  3866Mhz
  4000Mhz
  4400Mhz
  Supported memory
  2133Mhz
  2400Mhz
  2666Mhz
  2933Mhz
  3200Mhz
  3466Mhz
  3600Mhz
  3733Mhz
  3800Mhz
  3866Mhz
  4000Mhz
  4133Mhz
  4200Mhz
  4266Mhz
  4333Mhz
  4533Mhz
  4600Mhz
  4666Mhz
• No
  Wireless lan
  No