Asrock X299 Steel Legend Motheroard

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
– 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

– Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar

– 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

– 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)