






Motherboard Asrock B860 Pro RS LGA1851
- CPU socket
- LGA 1851
- Chipset (MB)
- Intel B860 MB
- Form factor
- ATX
- Supported memory
- DDR5
- Number of memory slots
- 4
Description
Asrock B860 Pro RS is an ATX motherboard for the new LGA 1851 socket and Intel Core Ultra processors – a stable mid-range foundation for next-generation gaming and work machines. It combines a modern Intel B860 chipset with support for DDR5 memory up to impressive capacity and high frequencies when overclocked. You get a PCIe 5.0 x16 slot for future GPU generations and fast M.2 NVMe devices, including Gen5 for the system disk. It is aimed at people who want a current platform with a good balance between upgrade options and price, without unnecessary flashy “overkill”.
What you get: four DDR5 slots supporting up to 256 GB dual-channel memory and frequencies up to 8666+ MT/s (OC), allowing you to combine fast kits for gaming and heavy applications. For storage, you have 3 x M.2 slots – one Blazing PCIe Gen5x4 directly to the CPU for maximum fast system NVMe, plus two Gen4x4 for additional games, projects, and work files. The four SATA3 6.0 Gb/s ports leave you enough room for large HDD/SSD arrays, and with support for RAID 0/1/5/10, you can choose between speed, reliability, or a combination of both. The network is handled by a 2.5G LAN controller, which is a sensible upgrade over standard gigabit, especially if you use a faster home or office network. For sound, you rely on Realtek ALC897 with 7.1-channel High Definition audio – more than enough for normal gaming and multimedia.
- LGA 1851 socket with support for Intel Core Ultra processors, providing you with a modern and future-proof platform.
- DDR5 memory with 4 slots, dual-channel mode, and maximum 256 GB, allowing you to combine high capacity and high frequencies.
- Support for memory up to 8666+ MT/s (OC), suitable for enthusiasts who want to get the most out of their DDR5 modules.
- Three M.2 slots: 1 x PCIe Gen5x4 for system NVMe and 2 x PCIe Gen4x4 for additional fast storage, covering the needs of a modern gaming or work configuration.
- 4 x SATA3 6.0 Gb/s with support for RAID 0/1/5/10, allowing you to build a combination of fast SSDs and large HDD arrays.
- Network connectivity with Dragon RTL8125BG 2.5 Gigabit LAN (10/100/1000/2500 Mb/s), ready for higher speeds than standard 1G LAN.
- A rich set of USB: rear USB 3.2 Gen2x2 Type-C, front USB 3.2 Gen1 Type-C, plus a total of 8 x USB 3.2 Gen1 and 6 x USB 2.0 for all peripherals.
- Main PCIe 5.0 x16 slot for GPU in x16 mode and an additional PCIe 4.0 x16 (x4) slot for expansion cards.
- M.2 Key E slot with support for WiFi/BT modules, giving you the option to easily add wireless connectivity later.
Who it is suitable for: this motherboard is a logical choice for mid-range to strong gaming configurations with Intel Core Ultra, as well as for productivity machines, rendering, programming, and streaming that will use a lot of RAM and fast NVMe storage. It is suitable if you want PCIe 5.0 for GPU and Gen5 NVMe, but do not care about built-in Wi-Fi out of the box. If you are looking for extreme overclocking and maximally loaded extras, you will probably be looking at a higher-class chipset.
Overall, Asrock B860 Pro RS impresses with the combination of LGA 1851, high-capacity DDR5, Gen5 M.2, and 2.5G LAN – a motherboard that will serve you well for a long time and easily accommodate your future upgrades.
Full specifications
- Manufacturer
-
Asrock
- CPU socket
-
LGA 1851
- Chipset (MB)
- Intel B860
- Form factor
- ATX
- Supported processors
-
LGA1851 socket: Support for Intel Core Ultra Processors
- Supported memory
-
DDR5
- Number of memory slots
- 4
- Maximum RAM capacity
- 256 GB
- Memory frequency (MHz)
-
up to 8666+MT/s (OC)
- Support for dual-channel memory
- Yes
- Built-in audio
-
Realtek ALC897 Codec7.1-Channel High Definition Audio
- Built-in Wi-Fi
-
No
- Bluetooth version
- No
- Built-in LAN
-
1 x Dragon RTL8125BG 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
- SATA interface
- 4 x SATA3 6.0 Gb/s
- RAID support
- 0, 1, 5, 10
- Expansion slots
-
CPU:- 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 modeChipset:- 1 x PCIe 4.0 x16 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)
- Power connector
-
1 x 24-pin2 x 8-pin
- Processor generation
-
2nd generation Intel Ultra
- Warranty
- 36 months
- OS
-
Windows 11 64-bit
- M2 slot
-
CPU:- 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) modeChipset:- 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
- USB ports
-
CPU:- 1 x USB 3.2 Gen2x2 Type-C (Rear) Chipset:- 1 x USB 3.2 Gen1 Type-C (Front)- 8 x USB 3.2 Gen1 (6 Rear, 2 Front)- 6 x USB 2.0 (2 Rear, 4 Front)
- Rear I/O panel
-
- 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)- 6 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
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