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ATX motherboard with black and silver heatsinks, four DDR5 slots, large CPU socket cover, multiple M.2 shields and rear I/O panel

ASRock

ASRock Z890 Taichi Intel motherboard LGA 1851 ATX 256GB DDR5

SKU CH-YW54-GDSK1 MPN Z890 Taichi

ATX board for Intel Core Ultra Series 2 with LGA 1851 socket, four DDR5 slots up to 256GB, PCIe 5.0 x16, four M.2 sockets, 5.1 audio with ESS DAC, dual Thunderbolt 4 Type-C

  • CPU Socket TypeLGA 1851
  • CPU TypeIntel Core Ultra Processors (Series 2)
  • ChipsetIntel Z890
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardDDR5 4400 / DDR5 4800 / DDR5 5000 / DDR5 5200 / DDR5 5400 /
  • Maximum Memory Supported256GB
  • Supports Intel Core Ultra Series 2 CPUs via LGA 1851 socket
  • 20+1+2+1+1 power phases with 110A SPS for stable VCore delivery
  • Four DDR5 slots up to 256GB dual-channel with XMP 3.0 profiles
  • PCIe 5.0 x16 plus PCIe 4.0 x16 slots for graphics and expansion
  • Realtek ALC4082 with ESS SABRE9219 DAC and WIMA caps for 5.1 audio

Socket LGA 1851 ATX motherboard

The ASRock Z890 Taichi is an ATX motherboard built for Intel Core Ultra Processors (Series 2) on the LGA 1851 socket. It uses the Intel Z890 chipset and targets enthusiasts who want high memory capacity and fast storage options. The board supports up to 256GB of DDR5 across four 288-pin slots running in dual-channel mode.

256GB DDR5 maximum capacity

The single specification that decides fit is the 256GB maximum memory limit across four DDR5 slots. Native speeds reach 5600MHz with one DIMM per channel and 4800MHz when all four slots are populated. Overclocked profiles via Intel XMP 3.0 can push supported modules to 9600MHz+(OC) depending on configuration. Buyers needing more than 256GB must choose a different platform.

Standard ATX installation with slot-sharing notes

Installation follows normal ATX mounting in a compatible case with standard power and front-panel connectors. The top PCIe 5.0 x16 slot runs from the CPU and shares bandwidth if a riser card splits it to x8/x8 or x8/x4/x4. The second PCIe 4.0 x16 slot runs at x4 from the chipset; populating it disables the M2_4 M.2 socket. Builders should plan GPU and NVMe placement around these links.

Highlights

  • Supports Intel Core Ultra Series 2 CPUs via LGA 1851 socket
  • 20+1+2+1+1 power phases with 110A SPS for stable VCore delivery
  • Four DDR5 slots up to 256GB dual-channel with XMP 3.0 profiles
  • PCIe 5.0 x16 plus PCIe 4.0 x16 slots for graphics and expansion
  • Realtek ALC4082 with ESS SABRE9219 DAC and WIMA caps for 5.1 audio

Specifications

BrandASRock
ModelZ890 Taichi
CPU Socket TypeLGA 1851
CPU TypeIntel Core Ultra Processors (Series 2)
ChipsetIntel Z890
Number of Memory Slots4x288pin (DDR5)
Memory StandardDDR5 4400 / DDR5 4800 / DDR5 5000 / DDR5 5200 / DDR5 5400 / DDR5 5600 / DDR5 5800 / DDR5 6000 / DDR5 6200 / DDR5 6400 / DDR5 6600 / DDR5 6800 / DDR5 7000 / DDR5 7200 / DDR5 7600 / DDR5 7900 / DDR5 7950 / DDR5 8000 / DDR5 8200 / DDR5 8266 / DDR5 8400 / DDR5 8600 / DDR5 8800 / DDR5 9000 / DDR5 9066 / DDR5 9200 / DDR5 9600
Maximum Memory Supported256GB
Channel SupportedDual Channel
Memory Performance ProfileIntel XMP 3.0
Memory FeatureSupports DDR5 non-ECC, un-buffered memory up to 9600MHz+(OC)
- 1DPC 1R Up to 9600+ MHz (OC), 5600 MHz Natively.
- 1DPC 2R Up to 6800+ MHz (OC), 5600 MHz Natively.
- 2DPC 1R Up to 6800+ MHz (OC), 4800 MHz Natively.
- 2DPC 2R Up to 5800+ MHz (OC), 4400 MHz Natively.
Max. capacity of system memory: 256GB
Supports Intel Extreme Memory Profile (XMP) 3.0
PCI Express 5.0 x16CPU:
- 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*
PCI Express 4.0 x16Chipset:
- 1 x PCIe 4.0 x16 Slot (PCIE2), supports x4 mode*
* PCIE1 supports PCIe riser cards to extend one x16 slot to x8/x8 or x8/x4/x4 slots.
* If PCIE2 is occupied, M2_4 will be disabled.
* Supports NVMe SSD as boot disks
Serial ATA (SATA)4 x SATA 6Gb/s
M.2CPU:
- 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode*
- 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
Chipset:
- 1 x Hyper M.2 Socket (M2_3, Key M), supports type 2230/2242/2260/2280 SATA3 6.0 Gb/s & PCIe Gen4x4 (64 Gb/s) modes*
- 1 x Hyper M.2 Socket (M2_4, Key M), supports type 2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
- 1 x Hyper M.2 Socket (M2_5, Key M), supports type 2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
- 1 x Hyper M.2 Socket (M2_6, Key M), supports type 2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
* Supports
SATA RAIDSupports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices
Additional RAID ControllerSupports RAID 0, RAID 1, RAID 5 and RAID 10 for M.2 NVMe storage devices
Audio ChipsetRealtek ALC4082
Audio Channels5.1 CH HD Audio with Content Protection (Realtek ALC4082 Audio Codec)
WIMA Audio Capacitors (For Rear Outputs)
ESS SABRE9219 DAC for Rear Panel Audio (130dB SNR)
Individual PCB Layers for R/L Audio Channel
Direct Drive Technology on Front headphone port (Supports up to 600 Ohm headsets)
Nahimic Audio
LAN ChipsetRealtek RTL8126-VB
Second LAN ChipsetDragon RTL8125BG
Max LAN Speed5Gbps + 2.5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports2 x Antenna Ports
1 x HDMI Port
1 x Optical SPDIF Out Port
2 x Thunderbolt 4 Type-C Ports (40 Gb/s for USB4 protocol; 40Gb/s for Thunderbolt protocol)*
4 x USB 3.2 Gen2 Type-A Ports (10 Gb/s)**
4 x USB 3.2 Gen1 Ports**
2 x USB 2.0 Ports
2 x RJ-45 LAN Ports
1 x Clear CMOS Button
1 x BIOS Flashback Button
1 x Line Out Jack (Gold Audio Jack)
1 x Microphone Input Jack (Gold Audio Jack)
* Supports USB PD 3.0 up to 5V@3A (15W) charging
** USB32_56 are Lightning Gaming Ports. USB32_34 support Ultra USB Power.
Onboard USB2 x USB 2.0 Headers (Support 4 USB 2.0 ports)
2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports)
1 x Front Panel Type C USB 3.2 Gen2x2 Header (20 Gb/s)
Other Connectors3 x Thermistor Cable Headers
1 x SPI TPM Header
1 x Power LED and Speaker Header
1 x RGB LED Header*
3 x Addressable LED Headers**
2 x CPU Fan Connector (4-pin) (Smart Fan Speed Control)***
4 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)***
1 x AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)***
1 x Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)***
1 x Front Panel Audio Connector (15µ Gold Audio Connector)
1 x Dr. Debug with LED
1 x Power Button with LED
1 x Reset Button with LED
* Supports in total up to 12V/3A, 36W LED Strip
** Support in total up t
BIOS Feature256Mb AMI UEFI Legal BIOS with GUI support
SoftwareSoftware
- ASRock Motherboard Utility (A-Tuning)
- ASRock Polychrome SYNC
- ASRock Dragon 2.5G LAN Software
* These utilities can be downloaded from ASRock Live Update & APP Shop.
UEFI
- ASRock EZ Mode
- ASRock Full HD UEFI
- ASRock My Favorites in UEFI
- ASRock Auto Driver Installer
- ASRock Instant Flash
Windows 11Supported
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24 pin ATX Power Connector (Hi-Density Power Connector)
2 x 8 pin 12V Power Connectors (Hi-Density Power Connector)
FeaturesSuperb Productivity
- PCIe Gen5 (Graphics, M.2)
- Dual Channel DDR5
- Thunderbolt 4 Type-C Ports (40 Gb/s)
Rock-Solid Durability
- Server-Grade Low-Loss PCB
- 20+1+2+1+1 Power Phase, 110A SPS for VCore with Enlarged Heatsink Armor
- Memory OC Shield
- Flexible Integrated I/O Shield
- 20K Long-lasting Black Caps (high quality and conductive polymer capacitors)
Ultrafast Connectivity
- 5G LAN, 2.5G LAN, 802.11be Wi-Fi 7 Module
- ASRock Lightning Gaming Ports
EZ Update
- BIOS Flashback Button
- ASRock Auto Driver Installer
Shipping weight2.95 kg
Package size356 × 279 × 76 mm

Questions about this item

What does the 256 GB maximum memory mean for a build?

You can populate all four DDR5 slots up to 256 GB total, running in dual-channel mode with Intel XMP 3.0 profiles.

How does the PCIe 5.0 x16 slot limit graphics or add-in cards?

The primary slot runs at PCIe 5.0 x16 from the CPU and can be split to x8/x8 or x8/x4/x4 with a riser card.

What clearance and mounting does the ATX board need?

Standard ATX dimensions with LGA 1851 socket, four 288-pin DDR5 slots, and M.2 sockets for 2260 or 2280 drives.

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