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ATX motherboard with black PCB, four DDR5 slots, large silver VRM heatsinks, reinforced PCIe x16 slot, multiple M.2 heatsinks, rear

ASRock

ASRock B860 LiveMixer WiFi Intel motherboard

SKU CH-MPZ7-W23PS MPN B860 LiveMixer WiFi

ATX board for Intel Core Ultra Series 2 processors with DDR5 up to 8666 MT/s, PCIe 5.0 x16, Thunderbolt 4, four SATA ports, three M.2 slots and 7.1 audio

  • CPU Socket TypeLGA 1851
  • CPU TypeIntel Core Ultra Processors (Series 2)
  • ChipsetIntel B860
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardUp to DDR5 8666+(OC)
  • Maximum Memory Supported256GB

Option B860 LiveMixer WiFi

Struck-through versions exist but are not stocked here.

  • Supports Intel Core Ultra Series 2 processors on LGA 1851 socket
  • 12+1+1+1+1 power phase design with Dr.MOS for stable delivery
  • Four DDR5 slots support up to 256 GB at 8666 OC
  • PCIe 5.0 x16 and PCIe 4.0 x16 slots for graphics and expansion
  • Realtek ALC1220 7.1 CH audio with Nahimic enhancement

LGA 1851 ATX board for Intel Core Ultra Series 2

The ASRock B860 LiveMixer WiFi is an ATX motherboard built around the Intel B860 chipset and the LGA 1851 socket. It supports Intel Core Ultra Processors (Series 2) with a 12+1+1+1+1 Dr.MOS power phase design. Four DDR5 DIMM slots run in dual-channel mode up to 8666+(OC) with Intel XMP 3.0, accepting non-ECC un-buffered CUDIMM modules up to 256GB total capacity.

Verify CPU cooler clearance and power connectors

Before ordering, confirm your chassis fits an ATX board and that your CPU cooler mounting matches the LGA 1851 socket pattern. Check that your power supply provides the required 12VHPWR or 8-pin EPS connectors for the 12+1+1+1+1 phase VRM. Ensure any DDR5 kit you plan to use is a non-ECC un-buffered CUDIMM rated for XMP 3.0, as other module types are not supported.

Thunderbolt 4 Type-C and dual M.2 speeds change

The rear I/O includes one HDMI port and one Thunderbolt 4 Type-C connector for display and high-speed peripheral connectivity. Storage expansion uses three M.2 sockets: M2_1 from the CPU runs PCIe 5.0 x4 at 128 Gb/s for 2280 drives, while M2_2 and M2_3 from the chipset run PCIe 4.0 x4 at 64 Gb/s supporting 2230, 2242, 2260 and 2280 lengths. Four SATA 6Gb/s ports add RAID 0, 1, 5 and 10 support. Realtek ALC1220 7.1 CH audio with Nahimic and Dragon RTL8125BG LAN complete the bundle.

Highlights

  • Supports Intel Core Ultra Series 2 processors on LGA 1851 socket
  • 12+1+1+1+1 power phase design with Dr.MOS for stable delivery
  • Four DDR5 slots support up to 256 GB at 8666 OC
  • PCIe 5.0 x16 and PCIe 4.0 x16 slots for graphics and expansion
  • Realtek ALC1220 7.1 CH audio with Nahimic enhancement

Specifications

BrandASRock
ModelB860 LiveMixer WiFi
Part NumberB860 LiveMixer WiFi
CPU Socket TypeLGA 1851
CPU TypeIntel Core Ultra Processors (Series 2)
ChipsetIntel B860
Number of Memory Slots4x288pin (DDR5)
Memory StandardUp to DDR5 8666+(OC)
Maximum Memory Supported256GB
Channel SupportedDual Channel
Memory Performance ProfileIntel XMP 3.0
Memory FeatureSupports DDR5 non-ECC, un-buffered memory up to 8666+(OC)*
Supports Clocked Unbuffered DIMM (CUDIMM)
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 x2 mode*
* 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*
Chipset:
- 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2230/2242/2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
- 1 x Hyper M.2 Socket (M2_3, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode*
* 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
Audio ChipsetRealtek ALC1220
Audio Channels7.1 CH HD Audio with Content Protection
LAN ChipsetDragon RTL8125BG
Max LAN Speed2.5Gbps
Wireless LANWi-Fi 802.11 ax
BluetoothBluetooth 5.3
Back I/O Ports2 x Antenna Ports
1 x HDMI Port
1 x Optical SPDIF Out Port
1 x Thunderbolt 4 Type-C Port (40 Gb/s for USB4 protocol; 40Gb/s for Thunderbolt protocol)*
6 x USB 3.2 Gen1 Ports**
6 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
** USB32_12 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 Gen1 Header
Other Connectors1 x Thermistor Cable Header
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 Connectors (4-pin) (Smart Fan Speed Control)***
5 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)***
1 x AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)***
1 x Front Panel 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).
CPU_FAN2, CHA_FAN1~5 and AIO_PUMP support the fan power up to 3A (36W).
CPU_FAN2, CHA_FAN1~5
BIOS Feature256Mb AMI UEFI Legal BIOS with GUI support
SoftwareSoftware
- ASRock Motherboard Utility (A-Tuning)
- ASRock Dragon 2.5G LAN Software
- ASRock Polychrome SYNC*
UEFI
- ASRock EZ Mode
- ASRock Full HD UEFI
- ASRock My Favorites in UEFI
- ASRock Auto Driver Installer
- ASRock Instant Flash
Windows 11Windows 11 64-bit
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24 pin ATX 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 Port (40 Gb/s)
Rock-Solid Durability
- 12+1+1+1+1 Power Phase, Dr.MOS for VCore+GT+SA with Enlarged Heatsink Armor
- Flexible Integrated I/O Shield
- 20K Long-lasting Black Caps (high quality and conductive polymer capacitors) for VCore
Ultrafast Connectivity
- 2.5G LAN, 802.11axe Wi-Fi 6E Module
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 Thermistor Cable
Shipping weight2.04 kg
Package size356 × 279 × 76 mm

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

What comes in the box with the ASRock B860 LiveMixer WiFi and do I need to buy DDR5 modules separately?

The motherboard ships with the board itself, I/O shield, SATA cables and documentation; DDR5 memory is not included and must be purchased separately.

Which DDR5 speed should I choose for the board that supports up to 8666+(OC) with Intel XMP 3.0?

Pick a DDR5 kit rated at 8666 MT/s or lower that carries an Intel XMP 3.0 profile; the board will run it at the rated speed when the profile is enabled in BIOS.

What does the 128 Gb/s figure for the Blazing M.2 socket mean once the board is in a working PC?

It is the theoretical peak bandwidth of a PCIe 5.0 x4 NVMe drive installed in M2_1; real-world throughput will be lower and depends on the drive, workload and system cooling.

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