ASRock X299 Steel Legend Motherboard

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ASRock Steel Legend LGA 2066 Intel X299 SATA 6Gb/s ATX

ASRock Steel Legend LGA 2066 Intel X299 SATA 6Gb/s ATX
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  • Intel X299
  • Supports Intel Core X-Series Processor Family For The LGA 2066 Socket (Cascade Lake-X, Skylake X Refresh And Skylake X)
  • Supports DDR4 4200+(OC)/ 4000(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3200(OC)/ 2933(OC)/ 2800(OC)/ 2666/ 2400/ 2133 Non-ECC, Un-Buffered Memory
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Specifications Overview

Model
  • X299 Steel Legend
  • 90-MXBBJ0-A0UAYZ
Release Date January 2020

* First availability for purchase, it may not correspond to the actual market launch date.

Socket LGA2066
Form factor ATX
Chipset Intel X299
Supported Memory DDR4
2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3200Mhz 3600Mhz 3733Mhz 3800Mhz 4000Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS
** RAM support may also depend on the CPU memory controller
ECC RAM Support
Audio Chipset Realtek ALC1220
Audio Channels 7.1 Channels
LAN Chipset Intel I219-V
Max LAN Speed Dual 10/100/1000Mbps
SLI Support
CrossFire Support
RAID Support
Back I/O Ports
  • 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)
Wireless LAN
PCI-Express x16 Slots 4
PCI-Express x4 Slots 0
PCI-Express x1 Slots 1
SATA 6 Gbps Ports 8
SATA Express Ports 0
M.2 Ports 3
M.2 Devices support
  • 2242 / 2260 / 2280 / 22110 - M Key
  • 2260 / 2280 - M Key
  • 2230 - E Key
RAM Slots 8
Maximum Supported RAM 256 GB
Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 1
Onboard USB 3.2 Gen 2x2 0

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