Motherboard ASRock MB Sc LGA1851 B860M Pro-A, Intel B860, 4xDDR5, 1xDP, 1xHDMI, mATX

Unique feature

Excellent productivity
– PCIe Gen5 (graphics, M.2)
- Dual-channel DDR5
Solid durability
– 10+1+1+1+1 power phase, Dr.MOS, for VCore+GT+SA+VNNAON
Ultra-fast connection
- 2.5G LAN
EZ update
- BIOS Flashback button
- ASRock Auto Driver Installer
EZ Troubleshooter
- ASRock Post Status Checker

CPU

- Supports Intel Core™ Ultra processors (2 series) (LGA1851)
- Supports Intel Hybrid Technology
- Supports Intel Turbo Boost Max 3.0 technology
- Supports Intel Thermal Velocity Boost (TVB)
- Supports Intel Adaptive Boost Technology (ABT)
- Integrated NPU for AI acceleration

Chipset

- Intel B860

Memory

- Dual-channel DDR5 memory technology
- 4 x DDR5 DIMM slots
- Supports DDR5 non-ECC, unbuffered memory up to 8666+(OC)*
- Supports Clocked Unbuffered DIMM (CUDIMM)
- Max. system memory capacity: 256 GB
- Supports Intel Extreme Memory Profile (XMP) 3.0x
* 1DPC 1R Up to 8666+ MHz (OC), 5600 MHz native. 1DPC 2R Up to 6800+ MHz (OC), 5600 MHz native. 2DPC 1R Up to 6533+ MHz (OC), 4800 MHz native. 2DPC 2R Up to 5600+ MHz (OC), 4400 MHz native.

BIOS

- 256Mb AMI UEFI Legal BIOS with GUI support

Graphics

- Intel Xe LPG graphics architecture
- 1 x HDMI 2.1 TMDS/FRL 8G compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz
- 1 x DisplayPort 1.4 with DSC (compressed), supports HDCP 2.3 and max. resolution up to 8K 60Hz / 5K 120Hz
* Integrated Intel UHD Graphics and VGA outputs can only be supported with processors with integrated GPUs.

Sound

– 7.1 CH HD audio (Realtek ALC897 audio codec)

LAN

- 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
- Dragon RTL8125BG
- Supports Dragon 2.5G LAN software
- Intelligent automatic bandwidth control
- Visual user interface
- Video network usage statistics
- Optimized default settings for gaming, browser, and streaming modes
- User-defined priority management

Sockets

CPU:
- 1 x PCIe 5.0 x16 slot (PCIE1), supports x16 mode*
Chipset:
- 1 x PCIe 4.0 x4 slot (PCIE2), supports x4 mode*
- 1 x M.2 slot (E key), supports 2230 type WiFi/BT PCIe WiFi module and Intel CNVio/CNVio2 (integrated WiFi/BT)
* Supports NVMe SSDs as boot drives

Storage

CPU:
- 1 x Blazing M.2 slot (M2_1, key M), supports PCIe Gen5x4 (128 Gb/s) mode for type 2280*
Chipset:
- 1 x Hyper M.2 slot (M2_2, Key M), supports PCIe Gen4x4 (64 Gb/s) mode for type 2230/2242/2260/2280*
- 1 x Hyper M.2 slot (M2_3, Key M), supports PCIe Gen4x4 (64 Gb/s) mode for type 2280*
- 4 x SATA3 6.0 Gb/s connectors
* Supports Intel Volume Management Device (VMD)
Supports NVMe SSDs as boot drives

DEVELOPMENT

- Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices

USB

Chipset:
– 1 x USB 3.2 Gen2x2 Type-C (rear)
– 1 x USB 3.2 Gen1 Type-C (front)
- 5 x USB 3.2 Gen1 Type-A (3 rear, 2 front)
- 6 x USB 2.0 (2 rear, 4 front)
* All USB ports support ESD protection

Connection

- 1 x COM port 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 headers (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 24-pin ATX power connector
- 1 x 8-pin 12V power connector (high-density power connector)
- 1 x 4-pin 12V power connector (high-density power connector)
- 1x front panel audio connector
- 2 x USB 2.0 headers (supports 4 USB 2.0 ports)
- 1 x USB 3.2 Gen1 header (supports 2 USB 3.2 Gen1 ports)
- 1 front panel Type-C USB 3.2 Gen1 header
* Supports up to 12V/3A, 36W LED strip in total
** Total supports up to 5V/3A, 15W LED strip
*** CPU_FAN1 supports fan power up to 1A (12W).
CPU_FAN2, CHA_FAN1~3 and AIO_PUMP support fan power up to 3A (36W).
CPU_FAN2, CHA_FAN1~3 and AIO_PUMP can automatically detect whether a 3-pin or 4-pin fan is used.

Rear Panel I/O

- 2 x antenna mounting points
- 1 x HDMI port
- 1 x DisplayPort 1.4
– 1 x USB 3.2 Gen2x2 Type-C port (20 Gb/s)
- 3 x USB 3.2 Gen1 ports
- 2 x USB 2.0 ports
- 1 x RJ-45 LAN port
- 1 x BIOS Flashback button
- HD audio jacks: line-in / front speaker / microphone

Software and UEFI

Software
- ASRock Motherboard Tool (A-Tuning)
- ASRock Dragon 2.5G LAN Software
- ASRock Polychrome SYNC*
UEFI
- ASRock EZ Mode
- ASRock Full HD UEFI
- ASRock My Favorites UEFI
- ASRock Auto Driver Installer
- ASRock Instant Flash
*These applications can be downloaded from ASRock Live Update & APP Shop.

Accessories

- 1 x I/O panel
- 2 x SATA data cables
- 1 x screw for M.2 slot

Form factor

- Micro ATX form factor: 9.6 x 9.6 in., 24.4 cm x 24.4 cm

OS

– 64-bit Microsoft Windows 11.

Certificates

- FCC, CE
- ErP/EuP ready (ErP/EuP ready power supply required)