The ASRock B860M Pro RS is a Micro-ATX motherboard designed for Intel processors, specifically compatible with Intel Core Ultra Series 1 and Series 2 CPUs using Socket 1851. Built around the Intel B860 chipset, this board measures 244 x 244 mm and features a sleek silver and black design. It supports DDR5 memory across four DIMM slots in a dual-channel configuration, with a maximum capacity of 256 GB and overclocked speeds reaching up to 8666 MHz. The board ships with SATA cables included and uses an EFI AMI BIOS stored on 256 Mbit memory.
Storage and Expansion
The ASRock B860M Pro RS offers a well-rounded selection of storage and expansion options. It features three M.2 slots for fast solid-state storage, four SATA III connectors for traditional drives, and a PCIe x16 Gen 5 slot for a dedicated graphics card. This combination provides substantial flexibility for building a versatile and future-ready system.
Connectivity and Audio
On the connectivity front, the board includes a 2.5 Gigabit LAN port powered by the Dragon RTL8125BG controller, along with seven USB 3.2 Gen 1 Type-A ports and one Type-C port for a broad range of peripheral connections. Display output is handled through one HDMI and one DisplayPort 1.4 interface. Audio is managed by a Realtek ALC897 chip supporting 7.1-channel output, while a front panel audio connector and TPM connector add further integration options for complete system builds.
Product number manufacturer:
90-MXBRP0-A0UAYZ
Audio
BIOS
Connectivity
USB 3.2 (Gen 1) type A ports:
7
USB 3.2 (Gen 1) type C ports:
1
Internal I/O
ATX Power connector (24-pin):
Chassis fan connector(s):
3
EPS power connector (8-pin):
Front panel audio connector:
USB 3.1 (3.1 Gen 2) connectors:
1
USB 3.1 (Gen 1) header(s):
2
Memory
Supported memory clock speeds (OC):
8666 (OC) MHz
Networking
Network technology (wired):
Packaging content
Physical characteristics
Processor
Compatible processor series:
Intel Core Ultra Series 1, Intel Core Ultra Series 2
Sockets
Technical details
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