Compare Detail

• X299 PRO
  7B94-001R
  Model
  B550M STEEL LEGEND
  90-MXBCU0-A0UAYZ
• 7.1-Channel High Definition Audio
  Supports S/PDIF output
  Audio channels
  7.1 Channels
• Realtek ALC1220
  Audio chipset
  Realtek ALC1200
• 1 x Optical S/PDIF Out
  1 x PS/2 Keyboard/Mouse Combo
  1 x USB 3.2 Gen 2x2 Type-C
  2 x LAN (RJ45)
  4 x USB 2.0/1.1
  4 x USB 3.2 Gen 1 Type-A
  5 x Audio Jacks
  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)
  4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection)
  2 x USB 2.0 Ports (Supports ESD Protection)
  1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
  1 x Clear CMOS Button
  HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
• Intel X299
  Chipset
  AMD B550
• Yes
  Crossfire support
  Yes
• No
  Ecc ram support
  Yes
• ATX
  Form factor
  Micro ATX
• Realtek RTL8125-CG
  Lan chipset
  Dragon RTL8125BG
• 2242 / 2260 / 2280 / 22110 - M Key
  2242 / 2260 / 2280 / 22110 - M Key
  M2 devices support
  2280 - M Key
  2280 - M Key
  2230 - E Key
• 2
  M2 ports
  3
• 10/100/1000/2500Mbps + 10/100/1000Mbps
  Max lan speed
  10/100/1000/2500Mbps
• 256 GB
  Maximum supported ram
  128GB
• 2
  Onboard usb 20
  2
• 2
  Onboard usb 32 gen 1
  2
• 1
  Onboard usb 32 gen 2
  0
• 4
  Pci express x16 slots
  2
• 0
  Pci express x1 slots
  1
• Yes
  Raid support
  Yes
• 8
  Ram slots
  4
• January 2020
  Release date
  June 2020
• 6
  Sata 6 gbps ports
  6
• PRO
  Series
• Yes
  Sli support
  No
• LGA2066
  Socket
  AM4
• 2133Mhz
  2400Mhz
  2666Mhz
  2933Mhz
  3000Mhz
  3200Mhz
  3300Mhz
  3333Mhz
  3400Mhz
  3466Mhz
  3600Mhz
  3733Mhz
  3800Mhz
  4000Mhz
  4200Mhz
  Supported memory
  2133Mhz
  2400Mhz
  2666Mhz
  2933Mhz
  3200Mhz
  3466Mhz
  3600Mhz
  3733Mhz
  3800Mhz
  3866Mhz
  4000Mhz
  4133Mhz
  4200Mhz
  4266Mhz
  4333Mhz
  4400Mhz
  4533Mhz
• No
  Wireless lan
  No