MAINBOARD (1851) ASROCK B860M PRO-A DDR5

B860M PRO-A DDR5

Supports Intel^® Core™ Ultra Processors (Series 2) (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 dedicated AI acceleration

Intel

1851

 Intel B860

Dual Channel DDR5 Memory Technology
4 x DDR5 DIMM Slots
Supports DDR5 non-ECC, un-buffered memory up to 8666+(OC)*
Supports Clocked Unbuffered DIMM (CUDIMM)
Max. capacity of system memory: 256GB
Supports Intel® Extreme Memory Profile (XMP) 3.0x

* 1DPC 1R Up to 8666+ MHz (OC), 5600 MHz Natively.
1DPC 2R Up to 6800+ MHz (OC), 5600 MHz Natively.
2DPC 1R Up to 6533+ MHz (OC), 4800 MHz Natively.
2DPC 2R Up to 5600+ MHz (OC), 4400 MHz Natively.

8666

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

* Intel® UHD Graphics Built-in Visuals and the VGA outputs can be supported only with processors which are GPU integrated.

N/A

7.1 CH HD Audio (Realtek ALC897 Audio Codec)

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 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module and Intel® CNVio/CNVio2 (Integrated WiFi/BT)

* Supports NVMe SSD as boot disks

PCIe 5.0

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 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*
4 x SATA3 6.0 Gb/s Connectors

* Supports Intel® Volume Management Device (VMD)
Supports NVMe SSD as boot disks

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

NVMe

3

CPU:
1 x USB 3.2 Gen2x2 Type-C (Rear)

Chipset:
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

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 Connector (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 (Hi-Density Power Connector)
1 x 4 pin 12V Power Connector (Hi-Density Power Connector)
1 x Front Panel Audio Connector
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 port)
1 x Front Panel Type C USB 3.2 Gen1 Header

* 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_FAN1~3 and AIO_PUMP support the fan power up to 3A (36W).
CPU_FAN2, CHA_FAN1~3 and AIO_PUMP can auto detect if 3-pin or 4-pin fan is in use.

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

2.5 Gigabit LAN 10/100/1000/2500 Mb/s
Dragon RTL8125BG
Supports Dragon 2.5G LAN Software
Smart Auto Adjust Bandwidth Control
Visual User Friendly UI
Visual Network Usage Statistics
Optimized Default Setting for Game, Browser, and Streaming Modes
User Customized Priority Control

None

Micro ATX

N/A

256Mb AMI UEFI Legal BIOS with GUI support

Superb Productivity
- PCIe Gen5 (Graphics, M.2)
- Dual Channel DDR5

Rock-Solid Durability
- 10+1+1+1+1 Power Phase, Dr.MOS for VCore+GT+SA

Ultrafast Connectivity
- 2.5G LAN

EZ Update
- BIOS Flashback Button
- ASRock Auto Driver Installer

EZ Troubleshooter
- ASRock Post Status Checker

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

*These utilities can be downloaded from ASRock Live Update & APP Shop.

Microsoft Windows® 11 64-bit

1 x I/O Shield
2 x SATA Data Cables
1 x Screw for M.2 Socket