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Product information

ASRock X299 Taichi CLX: Motherboard | ATX | Connection Socket 2066| 8x DDR4 | M.2 | SATA3 6.0 | USB 2.0 | USB 3.2 Gen2x2 Type-C | USB 3.2 Gen1 Ports | Wlan | Bluetooth | 1x 2.5 Gigabit LAN

Product:ASRock X299 Taichi CLX
Connection:Socket 2066
Category: motherboards
Brand: ASRock
Condition: Refurbished
6 months

package contents:
– Motherboard (ASRock X299 Taichi CLX)
– IO-Shield (Tin back plate)
no manual
no CD with drivers
no cables

– 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

Chip set
-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, unbuffered memory
– Max. system memory capacity: 256GB
– Supports Intel® Extreme Memory Profile (XMP) 2.0
– 15μ gold contact in DIMM slots

*Intel® X299 does not support 1Rx16 memory modules.
The maximum supported memory frequency may vary by processor type.

– 2 x 128Mb AMI UEFI Legal BIOS with multilingual GUI support (1 x main BIOS and 1 x backup BIOS)
– Supports Secure Backup UEFI technology
– ACPI 6.1 compliant wake up events
– SMBIOS 3.0 support

– n/a

– 7.1 channel 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 headsets up to 600 ohms)
– Pure Power In
– Direct Drive technology
– PCB isolation shield
– Impedance detection on the rear output
– Individual PCB layers for R/L audio channel
– Gold audio connectors
– 15μ gold audio connector
– Supports DTS Connect

1 x 2.5 Gigabit LAN 10/100/1000/2500 Mb/s (Dragon RTL8125AG):
– Support Dragon 2.5G LAN software
– Smart Auto Adjust bandwidth control
– Visual easy to use UI
– Visual network usage statistics
– Optimized default setting for game, browser and streaming modes
– User-adjusted priority control
– Supports Wake On LAN
– Supports lightning/ESD protection
– Supports energy efficient Ethernet 802.3az
– Supports PXE
1 x Gigabit LAN 10/100/1000 Mb/s (Intel® I219V):
– Supports Wake On LAN
– Supports lightning/ESD protection
– Supports energy efficient Ethernet 802.3az
– Supports PXE

wireless LAN
– Intel® 802.11ax WiFi module
– Supports IEEE 802.11a/b/g/n/ax
– Supports dual band (2.4/5 GHz)
– Supports fast wireless connections up to 2.4 Gbps
– 2 antennas to support 2 (transmit) x 2 (receive) diversity technology
– Supports Bluetooth 5.2 + High Speed Class II
– Supports MU MIMO

– 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 included WiFi-802.11ax module (on the rear I/O)
– 15μ gold contact in VGA PCIe slot (PCIE1 and PCIE3)

*If you install a 48-lane CPU, PCIE1/PCIE2/PCIE3/PCIE5 will run at x16/x8/x16/x8. If an 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 a 44-lane CPU, PCIE1/PCIE2/PCIE3/PCIE5 will run at x16/x4/x16/x8. If an M.2 PCI Express module is installed on M2_1, PCIE2 will be disabled.
If you install a 28-lane CPU, PCIE1/PCIE2/PCIE3/PCIE5 will run at x16/x4/x8/x0. If an M.2 PCI Express module is installed on M2_1, PCIE2 will be disabled.
Supports NVMe SSD as boot drives

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

– 8 x SATA3 6.0 Gb/s connectors, supports 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 from ASMedia ASM1061, supporting NCQ, AHCI and hot pluggable
– 2 x Ultra M.2 sockets (M2_1 and M2_2), support for 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), supporting 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 48-lane CPU.
Supports Intel® Optane™ Technology M10 Series (M2_3 only)
Supports PCIe RAID
Supports NVMe SSD as boot drives

– 1 x Virtual RAID on CPU header
– 1 x SPI TPM head
– 1 x power LED and speaker head
– 2 x RGB LED headers*
– 2 x addressable LED headers**
– 1 x CPU fan connector (4 pin)***
– 1 x Fan Connector CPU/Water Pump (4pin) (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 (supports 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 up to 12V/3A, 36W LED strips in total

**Support total up to 5V/3A, 15W LED Strip

***The CPU fan connector supports the CPU fan with up to 1A (12W) of fan power.

****The CPU/water pump fan supports the water cooler fan with up to 2A (24W) fan power.

*****The chassis/water pump fan supports the water cooler fan with up to 2A (24W) of fan power.
CPU_FAN2/WP, CHA_FAN1~5/WP can automatically detect whether a 3-pin or 4-pin fan is in use.

******The Thunderbolt™ AIC card can be installed in the enabled PCIe slot (depending on the CPU type).

I/O back panel
– 2 x antenna ports
– 1 x optical SPDIF output 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 / Center / Bass / Line In / Front Speaker / Microphone (Gold Audio Jacks)

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

Software and UEFI
– Dragon 2.5G LAN software
– ASRock Motherboard Utility (A-Tuning)
– ASRock polychrome SYNC*
– ASRock EZ mode
– ASRock Full HD UEFI
– ASRock My favorites in UEFI
– ASRock Instant Flash
– ASRock Internet Flash
– ASRock Easy RAID installer

*These tools can be downloaded from ASRock Live Update & APP Store.

Hardware monitor
– Temperature Sensing: Fans for CPU, CPU/Water Pump, Chassis/Water Pump
– Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump Fans
– Silent fan (automatic adjustment of chassis fan speed according to CPU temperature): CPU, CPU/water pump, chassis/water pump fans
Multi-speed fan 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
– 8-layer circuit board
– 2oz copper circuit board
Operating system
– Microsoft® Windows® 10 64-bit

– ErP/EuP ready (ErP/EuP ready power supply is required)


Weight 1 kg

Socket 2066



Form Factor



Intel X299

Memory Type


Number of memory slots


Maximum memory size



2.5G LAN, USB 3.2 (Gen1, 5Gb/s), USB 3.2 (Gen2, 10Gb/s), USB 3.2 (Gen2, 10Gb/s) type-c, Wireless LAN

Storage Interfaces

Serial ATA-600, Ultra M.2 Socket


PCI-e 3.0 x1, PCI-e 3.0 x16



X299 Taichi CLX

Suitable for




package content

Motherboard and Backplate (Blende)


30.5 cm


24.4 cm

ASRock X299 Taichi CLX LGA 2066 motherboard

Free delivery

  • Supports Intel® Core™ X-Series Processor Family for the LGA 2066 Socket
  • 13 Power Phase Design, Dr. MOS
  • Supports DDR4 4200+(OC)
  • 4 PCIe 3.0 x16, 1 PCIe 3.0 x1
  • NVIDIA® 3-Way SLI., AMD 3-Way CrossFireX.
  • 7.1 CH HD Audio (Realtek ALC1220 Audio Codec), Supports Purity Sound. 4 & DTS Connect
  • 10 SATA3, 1 Ultra M.2 (PCIe Gen3 x4 & SATA3), 2 Ultra M.2 (PCIe Gen3 x4)
  • 1 USB 3.2 Gen2x2 20Gb/s Type-C
  • 1 USB 3.2 Gen2 10Gb/s Type-C (Front)
  • 6 USB 3.2 Gen1 (2 Front, 4 Rear)
  • Realtek 2.5 Gigabit LAN, Intel® Gigabit LAN
  • Intel® Wi-Fi 6 802.11ax (2.4Gbps) + BT 5.2
  • ASRock Polychrome SYNC
  • Hyper BCLK Engine III

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