ASROCK X299 Steel Legend Intel X299

X299 Steel Legend

• 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 Gen3x4 & 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

• 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

• 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

• Intel® X299

• 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

• 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

• n/a

• 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

• 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

• 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)

• 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)

• 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)

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

• 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

• 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

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

• Microsoft Windows® 10 64-bit

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