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ATX motherboard with silver and black heatsinks, four DDR5 slots, PCIe 5.0 and 4.0 slots, multiple M.2 heatsinks, rear I/O with HDMI

ASRock

ASRock B860 Steel Legend WiFi Intel motherboard

SKU CH-Y7AY-GB2D5 MPN B860 Steel Legend WiFi

ATX board for Intel Core Ultra Series 2 with 14+1+1+1+1 phase 80A power, DDR5 8666, PCIe 5.0 x16, PCIe 4.0 x4 M.2, Realtek ALC1220 7.1 audio, Dragon RTL8125BG LAN, Wi-Fi, Thunderbolt 4

  • 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 Steel Legend WiFi

  • Supports Intel Core Ultra Series 2 processors via LGA 1851 socket
  • 14+1+1+1+1 phase power design with 80A Dr.MOS for stable delivery
  • Four DDR5 slots up to 8666+(OC) with XMP 3.0 and 256GB max capacity
  • PCIe 5.0 x16 slot plus PCIe 4.0 x16 slot for graphics and expansion
  • Realtek ALC1220 7.1 CH HD Audio with Nahimic enhancement

Intel Core Ultra Series 2 platform

This ATX motherboard uses the Intel B860 chipset and LGA 1851 socket to support Intel Core Ultra processors (Series 2). A 14+1+1+1+1 phase power design with 80A Dr.MOS delivers stable current for the CPU cores graphics and system agent. Four DDR5 slots accept up to 256GB of non-ECC un-buffered memory running at 8666+(OC) with Intel XMP 3.0 and CUDIMM support.

Expansion layout and storage

The CPU provides one PCIe 5.0 x16 slot operating at x16 and one Blazing M.2 socket for a 2280 PCIe Gen5x4 drive at 128 Gb/s. The chipset adds a PCIe 4.0 x16 slot at x2 plus two Hyper M.2 sockets accepting 2230 2242 2260 or 2280 PCIe Gen4x4 drives at 64 Gb/s. Four SATA 6Gb/s ports support RAID 0 1 5 and 10 for additional arrays.

Rear I/O and audio

Graphics output includes one HDMI one DisplayPort and one Thunderbolt 4 Type-C connector. Dragon RTL8125BG LAN provides wired networking while Realtek ALC1220 codec with Nahimic Audio delivers 7.1 CH HD audio. These integrated interfaces reduce the need for add-in cards and free expansion slots for other devices.

How it compares

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

Price $167.99
Pricier than about 76% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameASRock
Model nameB860 Steel Legend WiFi
Part numberB860 Steel Legend 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*
- 1 x M.2 Socket (M2_4, Key M), supports type 2280 PCIe Gen4 × 2 (32 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 DisplayPort 1.4
1 x Optical SPDIF Out Port
1 x Thunderbolt 4 Type-C Port (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**
3 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_45 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 Gen2 × 2 Header (20 Gb/s)
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

Other versions of this model

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Questions about this item

Does this board fit a standard ATX case and what CPU cooler clearance should I plan for?

The board follows the ATX form factor so it mounts in any standard ATX case; cooler clearance depends on the case and the 14+1+1+1+1 phase VRM heatsinks but most tower coolers fit without interference.

Which memory kits run at the advertised 8666 MT/s and do I need to enable a profile?

DDR5 non-ECC un-buffered DIMMs up to 8666+(OC) are supported; enable the Intel XMP 3.0 profile in BIOS to reach the rated speed on a compatible kit.

How many M.2 drives can I install and which slots share bandwidth with the graphics card?

Three M.2 sockets are provided: one CPU-attached Gen5 x4 slot for a 2280 drive and two chipset-attached Gen4 x4 slots supporting 2230, 2242, 2260 and 2280 drives; only the primary PCIe 5.0 x16 slot is wired to the CPU.

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