ASRock B860M Pro RS Intel motherboard LGA 1851
- LGA 1851
- Intel Core Ultra Pr…
ASRock
Mini-ITX LGA 1851 board with two DDR5 slots up to 8933+(OC), one PCIe 5.0 x16 slot, one Gen5 and one Gen4 M.2 socket, four SATA ports, 2.5Gb LAN and 7.1 audio
Option B860I WiFi
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The ASRock B860I WiFi is a Mini-ITX motherboard built for Intel Core Ultra Series 2 processors on the LGA 1851 socket. It targets compact workstations and gaming systems that need a full feature set in a small footprint. The Intel B860 chipset provides mainstream connectivity without overclocking the CPU itself. Two DDR5 slots support up to 128 GB of memory.
Sustained memory throughput relies on the 8+1+1+1+1 power phase design feeding the two DDR5 slots, which are rated for DDR5 8933+(OC) via Intel XMP 3.0. The CPU-linked Blazing M.2 socket runs at PCIe Gen5x4 for the primary NVMe drive, while the chipset Hyper M.2 socket adds a second Gen4x4 slot. Four SATA 6Gb/s ports support RAID 0, 1, 5 and 10 arrays. A 2.5 Gbps Dragon RTL8125BG LAN controller handles wired traffic.
The board uses standard Mini-ITX mounting holes and a 24-pin ATX plus 8-pin EPS power layout. Only two DDR5 slots exist, so 128 GB requires 64 GB modules that must be non-ECC un-buffered DIMMs or CUDIMMs. The PCIe 5.0 x16 slot shares bandwidth with the primary M.2 when an NVMe boot drive is used. Rear I/O includes HDMI and DisplayPort for integrated graphics, plus 7.1-channel audio from the Realtek ALC897 codec.
| Brand | ASRock |
|---|---|
| Model | B860I WiFi |
| Part Number | B860I WiFi |
| CPU Socket Type | LGA 1851 |
| CPU Type | Intel Core Ultra Processors (Series 2) |
| Chipset | Intel B860 |
| Number of Memory Slots | 2x288pin (DDR5) |
| Memory Standard | Up to DDR5 8933+(OC) |
| Maximum Memory Supported | 128GB |
| Channel Supported | Dual Channel |
| Memory Performance Profile | Intel XMP 3.0 |
| Memory Feature | Supports DDR5 non-ECC, un-buffered memory up to 8933+(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* *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 ALC897 |
| Audio Channels | 7.1 Channels |
| 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 USB 3.2 Gen2x2 Type-C Port (20 Gb/s) 1 x USB 3.2 Gen2 Type-A Port 2 x USB 3.2 Gen1 Ports 4 x USB 2.0 Ports 2 x RJ-45 LAN Ports HD Audio Jacks: Line in / Front Speaker / Microphone |
| Onboard USB | 1 x USB 2.0 Header (Supports 2 USB 2.0 ports) 1 x USB 3.2 Gen1 Headers (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 Addressable LED Header* 1 x CPU Fan Connector (4-pin) (Smart Fan Speed Control)** 1 x Chassis Fan Connector (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 5V/3A, 15W LED Strip **CPU_FAN and CHA_FAN1 support the fan power up to 2A (24W). ***AIO_PUMP supports the fan power up to 3A (36W). 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 (Phantom Gaming Tuning) - ASRock Phantom Gaming 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 | Mini ITX |
| Dimensions (W x L) | 6.7" x 6.7" |
| Power Pin | 1 x 24 pin ATX Power Connector 1 x 8 pin 12V Power Connector (Hi-Density Power Connector) |
| Features | Superb Productivity - PCIe Gen5 (Graphics, M.2) - Dual Channel DDR5 Rock-Solid Durability - 8+1+1+1+1 Power Phase, SPS for VCore+GT+VCCSA Ultrafast Connectivity - 2.5G LAN, 802.11axe Wi-Fi 6E Module EZ Update - ASRock Auto Driver Installer |
| Package Contents | 1 x I/O Shield 2 x SATA Data Cables 2 x ASRock WiFi 2.4/5/6 GHz Antennas 2 x Screws for M.2 Sockets |
| 배송 무게 | 0.86 kg |
| 포장 크기 | 279 × 208 × 61 mm |
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The 8+1+1+1+1 phase SPS layout distributes load across multiple stages, keeping VRM temperatures lower during sustained workloads on LGA 1851 CPUs.
You need a dual-channel DDR5 kit rated for 8933 MT/s or higher with Intel XMP 3.0 support; the board accepts non-ECC un-buffered modules up to 128 GB total.
Yes — four SATA 6Gb/s ports, one Gen4x4 M.2 (64 Gb/s) and one Gen5x4 M.2 (128 Gb/s) all operate simultaneously with the PCIe 5.0 x16 graphics slot.
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