ASRock MB Sc LGA2066 X299 Taichi CLX,Intel X299, 8xDDR4, VGA

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

- 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.

- n/a

- 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™**
- 1 x Vertical M.2 Socket (Key E) with the bundled WiFi-802.11ax module (on the rear I/O)
- 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/x8/x16/x8. If a M.2 PCI Express module is installed on M2_1 or M2_2, PCIE2 will downgrade to x4 mode. If M.2 PCI Express modules are installed on M2_1 and M2_2, PCIE2 will be disabled.
If you install CPU with 44 lanes, PCIE1/PCIE2/PCIE3/PCIE5 will run at x16/x4/x16/x8. If a M.2 PCI Express module is installed on M2_1, PCIE2 will be disabled.
If you install CPU with 28 lanes, PCIE1/PCIE2/PCIE3/PCIE5 will run at x16/x4/x8/x0. If a M.2 PCI Express module is installed on M2_1, PCIE2 will be disabled.
Supports NVMe SSD as boot disks

**3-Way CrossFireX™ and 3-Way SLI™ are only supported with CPU with 48 lanes or 44 lanes.

- 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*
- 2 x SATA3 6.0 Gb/s Connectors by ASMedia ASM1061, support NCQ, AHCI and Hot Plug
- 2 x Ultra M.2 Sockets (M2_1 and M2_2), support M Key type 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32 Gb/s)**
- 1 x Ultra M.2 Socket (M2_3), supports M Key type 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)**

*If M2_3 is occupied by a SATA-type M.2 device, SATA3_7 will be disabled.

**M2_2 is only supported with CPU with 48 lanes.
Supports Intel® Optane™ Technology
Supports PCIe RAID
Supports NVMe SSD as boot disks

- 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 Gen2 Header (ASMedia ASM3142)
- 1 x Dr. Debug with LED
- 1 x Power Button with LED
- 1 x Reset Button

*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).

- 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
- Supports DTS Connect

- 2 x Antenna Ports
- 1 x Optical SPDIF Out Port
- 2 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)
- 4 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)

*Ultra USB Power is supported on USB3_3_4 ports.
ACPI wake-up function is not supported on USB3_3_4 ports.

Software
- Dragon 2.5G LAN 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

*These utilities can be downloaded from ASRock Live Update & APP Shop.

- Microsoft® Windows® 10 64-bit