Asrock X299 Steel Legend Intel Motherboard

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!

REVOLUTIONARY X299 MOTHERBOARDS:
Your PC Transformed
Style . More reliable. Design that delivers.

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.

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.

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.

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, the other one supports SATA3 6Gb/s mode.

11 Power Phase Design
Designed with a 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.

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.

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 an fast and easy way to identify the source of the problem.

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.

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

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.

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.

Technical Details

Brand :  Asrock
Model :  X299 Steel Legend

Unique Feature
ASRock USB 3.2 Gen2
- ASRock Type C USB 3.2 Gen2x2 Port (20 Gb/s)
ASRock Super Alloy
- XXL Aluminum Alloy Heatsink
- Premium 60A Power Choke
- 50A Dr.MOS
- Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors)
- Matte Black PCB
- High Density Glass Fabric PCB
ASRock Steel Slots
ASRock Full Coverage M.2 Heatsink
ASRock Ultra M.2 (PCIe Gen3 x4 & SATA3)
ASRock POST Status Checker (PSC)
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update & APP Shop

CPU
- Supports Intel® Core™ X-Series Processor Family for the LGA 2066 Socket (Cascade Lake-X, Skylake X Refresh and Skylake X)
- Digi Power design
- 11 Power Phase design
- Supports Intel® Turbo Boost Max Technology 3.0

Chipset
- Intel® X299

Memory
- Quad Channel DDR4 Memory Technology
- 8 x DDR4 DIMM Slots
- 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
- Max. capacity of system memory: 256GB
- Supports Intel® Extreme Memory Profile (XMP) 2.0
- 15μ Gold Contact in DIMM Slots

BIOS
- 128Mb AMI UEFI Legal BIOS with multilingual GUI support
- ACPI 6.1 Compliant wake up events
- SMBIOS 3.0 Support
- CPU, DRAM, VPPM, VTTM, PCH 1.0V, VCCIO, VCCSA, Voltage Multi-adjustment

Audio
- 7.1 CH HD Audio with Content Protection (Realtek ALC1220 Audio Codec)
- Premium Blu-ray Audio support
- Supports Surge Protection
- Supports Purity Sound™ 4
- Nichicon Fine Gold Series Audio Caps
- 120dB SNR DAC with Differential Amplifier
- NE5532 Premium Headset Amplifier for Front Panel Audio Connector (Supports up to 600 Ohm headsets)
- Pure Power-In
- Direct Drive Technology
- PCB isolate shielding
- Impedance Sensing on Rear Out port
- Individual PCB Layers for R/L Audio Channel
- Gold Audio Jacks
- 15μ Gold Audio Connector

LAN
- Gigabit LAN 10/100/1000 Mb/s
- 1 x Giga PHY Intel® I219V, 1 x GigaLAN Intel® I211AT
- Supports Wake-On-LAN
- Supports Lightning/ESD Protection
- Supports Dual LAN with Teaming*
- Supports Energy Efficient Ethernet 802.3az
- Supports PXE

Slots
- 4 x PCI Express 3.0 x16 Slots*
- 1 x PCI Express 3.0 x1 Slot*
- Supports AMD 3-Way CrossFireX™ and CrossFireX™ **
- Supports NVIDIA® 3-Way SLI™ and SLI™**
- Supports NVIDIA® NVLink™ with dual NVIDIA® GeForce RTX series graphics cards**
- 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module
- 15μ Gold Contact in VGA PCIe Slot (PCIE1 and PCIE3)

Storage
- 8 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1, RAID 5, RAID 10, Intel® Rapid Storage Technology 17 and Intel® Smart Response Technology), NCQ, AHCI and Hot Plug*
- 1 x Ultra M.2 Socket (M2_1), supports M Key type 2230/2242/2260/2280/22110 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)**
- 1 x Ultra M.2 Socket (M2_2), supports M Key type 2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)**

Connector
- 1 x Virtual RAID On CPU Header
- 1 x SPI TPM Header
- 1 x Power LED and Speaker Header
- 2 x RGB LED Headers*
- 2 x Addressable LED Headers**
- 1 x CPU Fan Connector (4-pin)***
- 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)****
- 5 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)*****
- 1 x 24 pin ATX Power Connector (Hi-Density Power Connector)
- 2 x 8 pin 12V Power Connectors (Hi-Density Power Connector)
- 1 x Front Panel Audio Connector (15μ Gold Audio Connector)
- 1 x Thunderbolt™ AIC Connector (5-pin)******
- 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
- 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection)
- 1 x Front Panel Type C USB 3.2 Gen1 Header (ASMedia ASM1074 Hub)

Rear Panel I/O
- 2 x Antenna Ports (on I/O Panel Shield)
- 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 (20 Gb/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)

Software and UEFI
Software
- ASRock Motherboard Utility (A-Tuning)
- ASRock Polychrome SYNC
- ASRock XFast LAN
UEFI
- ASRock EZ Mode
- ASRock Full HD UEFI
- ASRock My Favorites in UEFI
- ASRock Instant Flash
- ASRock Internet Flash
- ASRock Easy RAID Installer

Support CD
- Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar

Accessories
- Quick Installation Guide, Support CD, I/O Shield
- 4 x SATA Data Cables
- 1 x ASRock SLI_HB_Bridge_2S Card
- 3 x Screws for M.2 Sockets
- 2 x Standoffs for M.2 Sockets

Hardware Monitor
- Temperature Sensing: CPU, CPU/Water Pump, Chassis/Water Pump Fans
- Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump Fans
- Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU/Water Pump, Chassis/Water Pump Fans
- Fan Multi-Speed Control: CPU, CPU/Water Pump, Chassis/Water Pump Fans
- Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, DRAM, PCH 1.0V, VCCIO, VCCSA

Form Factor
- ATX Form Factor: 12.0-in x 9.6-in, 30.5 cm x 24.4 cm

OS
- Microsoft® Windows® 10 64-bit

Certifications
- FCC, CE
- ErP/EuP ready (ErP/EuP ready power supply is required)