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ASRock X299 STEEL LEGEND LGA 2066 Intel X299 SATA 6Gb/s ATX Intel Motherboard

  • 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
🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available
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Overview
Specs
Reviews
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ASRock X299 Steel Legend

Performance and Sustainability

A value- and feature-packed motherboard targeted at mainstream users and enthusiasts. Based on Intel X299 chipset, it supports Intel Core X-series processors in LGA 2066 packaging, which are oriented at HEDT (High-End Desktop) platforms. 11 phase power design is an integrated power stage solution which intelligently and accurately delivers current up to 50A for each phase thus providing improved thermal results and superior performance. USB 3.2 Gen 2x2 Type C is the latest USB technology to deliver up to 20Gbps transfer rates. ASRock Polychrome RGB LED lets you customize and sync lighting across compatible peripherals. The ASRock X299 Steel Legend is also manufactured with superb components, features extra large heatsink, and comes with a plethora of slots and ports needed to build and expand your next powerhouse.

  • Supports Intel Core X-Series Processor Family for the LGA 2066 Socket
  • 11 Power Phase Design, Dr. MOS, Dual Power Connectors
  • XXL Aluminum Alloy Heatsink & Heatpipe Design
  • Supports DDR4 4200+(OC)
  • 4 PCIe 3.0 x16, 1 PCIe 3.0 x1, 1 M.2 Key-E for WiFi
  • NVIDIA NVLINK, 3-Way SLI, AMD 3-Way CrossFireX
  • 7.1 CH HD Audio (Realtek ALC1220 Audio Codec), Supports Purity Sound 4
  • 8 SATA3, 2 Ultra M.2 (PCIe Gen3 x4 & SATA3)
  • 1 USB 3.2 Gen2 x2 Type-C (20Gb/s)
  • 6 USB 3.2 Gen1 (2 Front, 3 Rear, 1 x Front Type-C)
  • 8 USB 2.0 (4 Front, 4 Rear)
  • Dual Intel Gigabit LAN
  • ASRock Polychrome RGB LED
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Steel Legend represents the philosophical state of rock-solid durability and irresistible aesthetics. Built around most demanding specs and features, the Steel Legend series aims at daily users and mainstream enthusiasts! Providing a strong array of materials/components to ensure a stable and reliable performance. A motherboard that fulfills every task—with style!

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XXL Aluminum Alloy Heatsink & Heatpipe Design

Extra-large aluminum alloy heatsink along with heatpipe that effectively take away heat from the MOSFET, so that your whole system may perform more stable.

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USB 3.2 Gen2x2 Type-C

The latest USB 3.2 Gen2x2 Type-C delivers up to 20 Gbps data transfer rate which is 2x as fast as previous generation, providing a blazing fast data transfer interface with reversible USB Type-C design that fits the connector either way.

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Rule Your Own Lighting Way—Polychrome RGB

ASRock motherboards deliver stunning performance and superior aesthetics to rule your own colorful lighting way! ASRock offers a very comprehensive control to perform the built-in RGB LEDs or the connected LED strips, CPU fans, coolers, chassis and any RGB devices smoothly. Devices can be synchronized across the Polychrome RGB Sync-certified accessories as well.

*The addressable RGB LED header supports WS2812B addressable RGB LED strip (5V/Data/GND), with a maximum power rating of 3A (5V), a max of 80 LEDs and length within 2 meters.

*The RGB LED header supports standard 5050 RGB LED strip (12V/G/R/B), with a maximum power rating of 3A (12V) and length within 2 meters.

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Dual M.2 for SSD

Two of the world’s fastest M.2 slots. One delivers up to PCIe Gen3 x4 32Gb/s transfer speed, while the other one supports SATA3 6Gb/s mode.

*Please refer to the product specification page for more detail.

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11 Power Phase Design

Designed with an 11 Power Phase design, this motherboard features sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.

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Dr. MOS

Dr.MOS is the integrated power stage solution which is optimized for synchronous buck-set down voltage applications! Intelligently delivering higher current and driving up to 50A continuous current for each phase, thus providing improved thermal result and superior performance.

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Post Status Checker

An easy troubleshooting tool that shows the CPU / DRAM / VGA / BOOT operation every time you start up the system. Post Status Checker is a fast and easy way to identify the source of the problem.

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Front USB 3.2 Gen1 Type-C

Front USB 3.2 Gen1 Type-C header delivers up to 5 Gbps data transfer rate and next generation reversible USB design to the front panel of computer case.

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PCI-E Steel Slot

The advanced PCI-E Steel Slot packed with solid cover that prevents any signal interference with graphics cards. It also ensures the heavy graphics cards can be well-installed in the PCI-E slot safely.

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XXL Aluminum Alloy Heatsink

Extra large aluminum alloy heat sinks that effectively take away heat from the MOSFET and chipset so that your whole system may perform more stable.

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Premium 60A Power Choke

Compared to traditional chokes, ASRock’s premium 60A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.

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Dr. MOS

Dr.MOS is the integrated power stage solution which is optimized for synchronous buck-set down voltage applications! Intelligently delivering higher current and driving up to 50A continuous current for each phase, thus providing improved thermal result and superior performance.

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Nichicon 12K Black Caps

Supreme 12K black capacitors with lifespans of at least 12,000 hours. Compared to other counterparts on high-end motherboards that merely have lifespans of around 10,000 hours, ASRock applied Nichicon 12K Black Caps that offer 20% longer lifespans and provide more stability and reliability.

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Matte Black PCB

A new mysterious matte black and copper color scheme to match the prestigious components on ASRock's high-end motherboards.

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High Density Glass Fabric PCB

High Density Glass Fabric PCB design that reduces the gaps between the PCB layers to protect the motherboard against electrical shorts caused by humidity.

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Full Spike Protection

Some sensitive digital components on the motherboard are vulnerable to power surges. The excessive current may cause your system to malfunction immediately. ASRock Full Spike Protection includes various technologies to prevent your motherboard’s components from being damaged by these unexpected voltage spikes.

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Live Update & APP Shop

ASRock Live Update & APP Shop is designed for your convenience. We provide various apps and support software for users to download. You can also easily optimize your system and keep your motherboard up to date with ASRock Live Update & APP Shop.

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Return Policies

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