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Brand |
ASROCK
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Model |
X299 Steel Legend
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CPU Support |
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
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Socket |
2066
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Chipset |
Intel X299
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Memory Support |
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
*The maximum memory frequency supported may vary by processor type.
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Memory Type |
DDR4
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Memory Bus |
2666 / 2400 / 2133 MHz
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Memory Slot |
8 Slots
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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
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Expansion 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)
*If you install CPU with 48 lanes, PCIE1/PCIE2/PCIE3/PCIE5 will run at x16/x4/x16/x8.
If you install CPU with 44 lanes, PCIE1/PCIE2/PCIE3/PCIE5 will run at x16/x4/x16/x8.
If you install CPU with 28 lanes, PCIE1/PCIE2/PCIE3/PCIE5 will run at x16/x4/x8/x0.
**3-Way CrossFireX™ and 3-Way SLI™ are only supported with CPU with 48 lanes or 44 lanes.
NVIDIA® NVLink™ Bridge does not come with the package. Please purchase it from NVIDIA® if necessary.
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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)**
*If M2_1 is occupied by a SATA-type M.2 device, SATA3_1 will be disabled.
If M2_2 is occupied by a SATA-type M.2 device, SATA3_0 will be disabled.
**Supports Intel® Optane™ Technology
Supports PCIe RAID
Supports NVMe SSD as boot disks
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Internal I/O Connectors |
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)
*Supports in total up to 12V/3A, 36W LED Strip
**Support in total up to 5V/3A, 15W LED Strip
***The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
****The CPU/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.
*****The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.
CPU_FAN2/WP, CHA_FAN1~5/WP can auto detect if 3-pin or 4-pin fan is in use.
******The Thunderbolt™ AIC card can be installed in the enabled PCIe slot (depending on CPU type).
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Back Panel Connectors |
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)
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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
*Teaming is supported on Windows® 10 RS2, RS3 and RS4.
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Form Factor |
ATX Form Factor: 12.0-in x 9.6-in, 30.5 cm x 24.4 cm
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H/W Monitoring |
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
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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
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Special Features |
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
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Software Features |
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
*These utilities can be downloaded from ASRock Live Update & APP Shop.
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| Dimension |
(W x D x H) : 24.40 x 30.50 x 3.90 cm |
| Net Weight |
1.18 KG |
| Package Dimension |
(W x D x H) : 34.00 x 39.00 x 10.00 cm |
| Gross Weight |
2.35 KG |
| Volume |
13,260.00 cm3 |
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warranty |
-
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