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ASRock B860M Steel Legend WiFi LGA 1851 Intel B860 SATA 6Gb/s Intel Core Ultra DDR5 Micro ATX Motherboard
- Intel B860
- Supports Intel® Core™ Ultra Processors (Series 2) (LGA1851)
- 12+1+1+1+1 Power Phase, 80A SPS for VCore+GT+SA
- 4 x DDR5 DIMMs: Up to DDR5 8666+(OC)
- Supports Dual Channel, up to 8666+ (OC)
- 1 PCIe 5.0 x16
- Graphics Output Options: 1 HDMI, 1 DisplayPort, 1 Thunderbolt™ 4 Type-C
- Realtek ALC1220 7.1 CH HD Audio Codec, Nahimic Audio
- 4 SATA3
- 1 Blazing M.2 (PCIe Gen5x4)
- 3 Hyper M.2 (PCIe Gen4x4)
- 1 Thunderbolt™ 4 Type-C (Rear)
- 3 USB 3.2 Gen2 (2 Rear, 1 Front Type-C)
- 6 USB 3.2 Gen1 (4 Rear, 2 Front)
- 6 USB 2.0 (2 Rear, 4 Front)
- Realtek 2.5G LAN
- 802.11axe Wi-Fi 6E + Bluetooth
- Supports BIOS Flashback, M.2 Bottom Heatsink
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Specs
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Learn more about the ASRock B860M Steel Legend WiFi
| Brand | ASRock |
|---|---|
| Model | B860M Steel Legend WiFi |
| Part Number | B860M Steel Legend WiFi |
| CPU Socket Type | LGA 1851 |
|---|---|
| CPU Type | Intel Core Ultra Processors (Series 2) |
| Chipset | Intel B860 |
|---|
| Number of Memory Slots | 4x288pin (DDR5) |
|---|---|
| Memory Standard | Up to DDR5 8666+(OC) |
| Maximum Memory Supported | 256GB |
| Channel Supported | Dual Channel |
| Memory Feature | Supports DDR5 non-ECC, un-buffered memory up to 8666+(OC)* Supports Clocked Unbuffered DIMM (CUDIMM) |
| PCI Express 5.0 x16 | CPU: - 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode* * Supports NVMe SSD as boot disks |
|---|
| Serial ATA (SATA) | 4 x SATA 6Gb/s |
|---|---|
| M.2 | CPU: - 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 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* - 1 x Hyper M.2 Socket (M2_4, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode* * Supports Intel Volume Management Device (VMD) Supports NVMe SSD as boot disks |
| SATA RAID | Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices |
| Audio Chipset | Realtek ALC1220 |
|---|---|
| Audio Channels | 7.1 CH HD Audio with Content Protection |
| LAN Chipset | Dragon RTL8125BG |
|---|---|
| Max LAN Speed | 2.5Gbps |
| Wireless LAN | Wi-Fi 802.11 ax |
| Bluetooth | Bluetooth 5.3 |
| Back I/O Ports | 2 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** 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 ** USB32_34 support Ultra USB Power. |
|---|
| Onboard USB | 2 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 Gen2 Header (10 Gb/s) |
|---|---|
| Other Connectors | 1 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 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 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_FAN1~4 and AIO_PUMP support the fan power up to 3A (36W). CPU_FAN2, CHA_FAN1~4 and AIO_PUMP can auto detect if 3-pin or 4-pin fan is in use. |
| BIOS Feature | 256Mb AMI UEFI Legal BIOS with GUI support |
|---|---|
| Software | Software - 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 11 | Windows 11 64-bit |
| Form Factor | Micro ATX |
|---|---|
| Dimensions (W x L) | 9.6" x 9.6" |
| Power Pin | 1 x 24 pin ATX Power Connector 2 x 8 pin 12V Power Connectors (Hi-Density Power Connector) |
| Features | Superb 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, 80A SPS for VCore+GT+SA with Enlarged Heatsink Armor - Flexible Integrated I/O Shield - 20K Long-lasting Black Caps (high quality and conductive polymer capacitors) 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 Contents | 2 x SATA Data Cables 2 x ASRock WiFi 2.4/5/6 GHz Antennas 1 x Thermistor Cable 1 x Screw for M.2 Socket |
|---|
| First Listed on Newegg | November 08, 2025 |
|---|
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