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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

  • ProcessorIntel Core Ultra Processors (Series 2)
  • ChipsetIntel B860
  • Form factorATX
  • CPU socketLGA 1851
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryUp to DDR5 8666+(OC)

Model B860 LiveMixer WiFi

  • 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.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $140.99
Pricier than about 69% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameASRock
Model nameB860 LiveMixer WiFi
Part numberB860 LiveMixer WiFi
Processor
ProcessorIntel Core Ultra Processors (Series 2)
CPU socketLGA 1851
ChipsetIntel B860
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryUp to DDR5 8666+(OC)
Max supported RAM256 GB
Memory channelsDual Channel
Memory profilesIntel XMP 3.0
Storage
SATA ports4 x SATA 6Gb/s
M.2 slotsCPU:
- 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5 × 4 (128 Gb/s) mode*
Chipset:
- 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2230/2242/2260/2280 PCIe Gen4 × 4 (64 Gb/s) mode*
- 1 x Hyper M.2 Socket (M2_3, Key M), supports type 2280 PCIe Gen4 × 4 (64 Gb/s) mode*
* Supports Intel Volume Management Device (VMD)
Supports NVMe SSD as boot disks
SATA and RAID supportSupports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices
Audio & video
Audio chipRealtek ALC1220
Sound channels7.1 CH HD Audio with Content Protection
Connectivity
Ethernet controllerDragon RTL8125BG
Maximum network speed2.5 Gbit/s
Wi-Fi standardWi-Fi 802.11 ax
Bluetooth support5.3
Ports & slots
PCIe 5.0 x16 slotsCPU:
- 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*
PCIe 4.0 x16 slotsChipset:
- 1 x PCIe 4.0 x16 Slot (PCIE2), supports x2 mode*
* Supports NVMe SSD as boot disks
Rear panel 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 5 V@3A (15 W) charging
** USB32_12 support Ultra USB Power.
Onboard USB headers2 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
Power
Power connectors1 × 24 pin ATX Power Connector
2 × 8 pin 12 V Power Connectors (Hi-Density Power Connector)
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Shipping weight2.04 kg
Package size356 × 279 × 76 mm
Compatibility
Windows 11 support64-bit
In the box
In the box2 x SATA Data Cables
2 x ASRock WiFi 2.4/5/6 GHz Antennas
1 x Thermistor Cable
More details
BIOS256Mb AMI UEFI Legal BIOS with GUI support

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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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