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Micro-ATX motherboard with black PCB, silver heatsinks and rear I/O shield

ASRock

ASRock Z890M Riptide WiFi Intel motherboard

SKU CH-MQ8B-XSSP2 MPN Z890M Riptide WiFi

Micro-ATX board for Intel Core Ultra Series 2 with DDR5 up to 9466 MHz, PCIe 5.0 x16, triple M.2, 2.5 Gb LAN and Thunderbolt 4

  • 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

Option Z890M Riptide WiFi

Struck-through versions exist but are not stocked here.

  • Supports Intel Core Ultra Series 2 processors on LGA 1851 socket
  • 16+1+1+1+1 power phases with 80A Dr.MOS for stable CPU delivery
  • Four DDR5 slots up to 9466 MHz OC and 256 GB capacity
  • PCIe 5.0 x16 plus three M.2 sockets including Gen5 128 Gb/s
  • 5 Gbps Killer LAN with Realtek ALC1220 7.1 CH Nahimic Audio

Platform foundation

The ASRock Z890M Riptide WiFi is a Micro ATX motherboard built for Intel Core Ultra Series 2 processors on the LGA 1851 socket. It targets builders who want a compact board with a full Z890 feature set for gaming or content creation workstations.

Thermals and power delivery

A 16+1+1+1+1 phase design uses 80A Dr.MOS and upgraded 20K capacitors rated at 1000uF to keep voltage ripple low under heavy loads. The VRM layout aims for stable current delivery during sustained boost clocks without requiring exotic cooling.

Upgrade context

The board adds PCIe 5.0 x16, a Blazing M.2 Gen5x4 slot at 128 Gb/s, two Thunderbolt 4 Type-C ports and 2.5Gbps Killer LAN over previous Z790 models. DDR5 support reaches 9466+ MHz OC on 1DPC 1R configurations. The jump makes sense when moving to Core Ultra Series 2 and faster NVMe or external GPU workflows.

Highlights

  • Supports Intel Core Ultra Series 2 processors on LGA 1851 socket
  • 16+1+1+1+1 power phases with 80A Dr.MOS for stable CPU delivery
  • Four DDR5 slots up to 9466 MHz OC and 256 GB capacity
  • PCIe 5.0 x16 plus three M.2 sockets including Gen5 128 Gb/s
  • 5 Gbps Killer LAN with Realtek ALC1220 7.1 CH Nahimic Audio

Specifications

BrandASRock
ModelZ890M Riptide WiFi
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 7400 / DDR5 7600 / DDR5 7800 / DDR5 7900 / DDR5 7950 / DDR5 8000 / DDR5 8200 / DDR5 8266 / DDR5 8400 / DDR5 8600 / DDR5 8666 / DDR5 8800 / DDR5 8933 / DDR5 9000 / DDR5 9066 / DDR5 9200 / DDR5 9466
Maximum Memory Supported256GB
Channel SupportedDual Channel
Memory Performance ProfileIntel XMP 3.0
Memory FeatureSupports DDR5 non-ECC, un-buffered memory up to 9466MHz+(OC)
- 1DPC 1R Up to 9466+ 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*
* PCIE1 supports PCIe riser cards to extend one x16 slot to x8/x8 or x8/x4/x4 slots.
* 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 2280 PCIe Gen4x4 (64 Gb/s) mode*
Chipset:
- 1 x Hyper M.2 Socket (M2_3, Key M), supports type 2280 SATA3 6.0 Gb/s & PCIe Gen4x4 (64 Gb/s) modes*
* Supports Intel Volume Management Device (VMD)
* Supports NVMe SSD as boot disks
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*
* Requires additional M.2 NVMe expansion cards to support RAID 10
Audio ChipsetRealtek ALC897
Audio Channels7.1 CH HD Audio
Nahimic Audio
LAN ChipsetKiller E3100G
Max LAN Speed2.5Gbps
Wireless LANWi-Fi 802.11 axe
BluetoothBluetooth 5.3
Back I/O Ports2 x Antenna Ports
1 x HDMI Port
1 x DisplayPort 1.4
1 x Optical SPDIF Out Port
2 x Thunderbolt 4 Type-C Ports (40 Gb/s for USB4 protocol; 40Gb/s for Thunderbolt protocol)*
2 x USB 3.2 Gen2 Type-A Ports (10 Gb/s)
4 x USB 3.2 Gen1 Ports
2 x USB 2.0 Ports
1 x RJ-45 LAN Port
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
Onboard USB2 x USB 2.0 Headers (Support 4 USB 2.0 ports)
1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)
1 x Front Panel Type C USB 3.2 Gen2x2 Header (20 Gb/s)
Other Connectors1 x Thermistor Cable Header
1 x SPI TPM Header
1 x Power LED and Speaker Header
1 x RGB LED Header*
2 x Addressable LED Headers**
2 x CPU Fan Connectors (4-pin) (Smart Fan Speed Control)***
3 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)
* Supports in total up to 12V/3A, 36W LED Strip
** Support in total up to 5V/3A, 15W LED Strip
*** CPU_FAN1 supports the fan power up to 1A (12W).
BIOS Feature256Mb AMI UEFI Legal BIOS with GUI support
SoftwareSoftware
- ASRock Motherboard Utility (Phantom Gaming Tuning)
- Killer Control Center
- ASRock Polychrome SYNC
* 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 FactorMicro ATX
Dimensions (W x L)9.6" 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
- 16+1+1+1+1 Power Phase, 80A Dr.MOS for VCore+GT+SA with Enlarged
Heatsink Armor
- Memory OC Shield
- Flexible Integrated I/O Shield
- 20K Long-lasting Black Caps (high quality and conductive polymer capacitors)
Ultrafast Gaming
- Killer 2.5G LAN, 802.11axe Wi-Fi 6E Module
- Killer DoubleShotTM Pro
EZ Update
- BIOS Flashback Button
- ASRock Auto Driver Installer
EZ Troubleshooter
- ASRock Post Status Checker
Package Contents2 x SATA Data Cables
2 x ASRock WiFi 2.4/5/6 GHz Antennas
1 x ARGB Splitter Cable
1 x Thermistor Cable
Shipping weight0.76 kg
Package size295 × 264 × 61 mm

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Questions about this item

How do I install the LGA 1851 CPU and what step is often missed?

Align the processor triangle with the socket marker, lower it gently, then close the retention lever. The step many miss is removing the plastic socket cover only after the CPU sits correctly — discarding it too early risks bent pins.

What maintenance or replacement will the VRM capacitors need later?

The 20K Black capacitors are rated for 20000 hours at full temperature. Under normal desktop loads they typically outlast the platform, so no scheduled replacement is required unless visual bulging or leakage appears.

What limit appears first during sustained heavy loads on this board?

The 80A Dr.MOS power stages and 16+1+1+1+1 phase design set the practical ceiling. Extended all-core workloads will hit VRM thermal limits before the CPU reaches its own throttle point.

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