Compare Detail

• X299 Steel Legend
  90-MXBBJ0-A0UAYZ
  Model
  Crosshair VII Hero
  ROG Crosshair VII Hero
  90MB0XJ0-M0EAY0
• 7.1 Channels
  Audio channels
  8 Channels
• Realtek ALC1220
  Audio chipset
  ROG SupremeFX S1220 high-definition CODEC
• 1 x PS/2 Mouse/Keyboard Port
  1 x Optical SPDIF Out Port
  4 x USB 2.0 Ports (Supports ESD Protection)
  1 x USB 3.2 Gen2x2 Type-C Port (20Gb/s) (ASMedia ASM3242) (Supports ESD Protection)
  3 x USB 3.2 Gen1 Ports (Supports ESD Protection)
  2 x RJ-45 LAN Ports 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)
  Back io ports
  1 x PS/2 keyboard/mouse combo port(s)
  1 x LAN (RJ45) port(s)
  2 x USB 2.0 (one port can be switched to USB BIOS Flashback)
  1 x Optical S/PDIF out
  1 x Clear CMOS button(s)
  1 x USB BIOS Flashback Button(s)
  5 x Gold-plated audio jacks
  8 x USB 3.1 Gen 1 (blue)
  1 x USB 3.1 Gen 2 (red) Type-A
  1 x USB 3.1 Gen 2 (black) USB Type-C
• Intel X299
  Chipset
  AMD X470
• Yes
  Crossfire support
  Yes
• No
  Ecc ram support
  No
• ATX
  Form factor
  ATX
• Intel I219-V
  Lan chipset
  Intel i211AT
• 2242 / 2260 / 2280 / 22110 - M Key
  2260 / 2280 - M Key
  2230 - E Key
  M2 devices support
  2242 / 2260 / 2280 / 22110 - M Key
  2242 / 2260 / 2280 - M Key
• 3
  M2 ports
  2
• Dual 10/100/1000Mbps
  Max lan speed
  10/100/1000Mbps
• 256 GB
  Maximum supported ram
  64 GB
• 2
  Onboard usb 20
  1
• 1
  Onboard usb 32 gen 1
  1
• 1
  Onboard usb 32 gen 2
  1
• 4
  Pci express x16 slots
  3
• 1
  Pci express x1 slots
  2
• Yes
  Raid support
  Yes
• 8
  Ram slots
  4
• January 2020
  Release date
  April 2018
• 8
  Sata 6 gbps ports
  6
• Yes
  Sli support
  Yes
• LGA2066
  Socket
  AM4
• 2133Mhz
  2400Mhz
  2666Mhz
  2800Mhz
  2933Mhz
  3200Mhz
  3600Mhz
  3733Mhz
  3800Mhz
  4000Mhz
  Supported memory
  2133Mhz
  2400Mhz
  2666Mhz
  2800Mhz
  2933Mhz
  3000Mhz
  3200Mhz
  3466Mhz
• No
  Wireless lan
  No