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ASRock B860 Pro RS LGA 1851 Intel B860 SATA 6Gb/s DDR5 Intel Core Ultra ATX Motherboard
OPEN BOX Product Type
- Intel B860
- Up to DDR5 8666+(OC)
- Supports Intel® Core™ Ultra Processors (Series 2)(LGA1851)
- 10+1+1+1+1 Power Phase, Dr.MOS for VCore+GT+SA
- 4 x DDR5 DIMMs Up to DDR5 8666+(OC)
- Supports Dual Channel, up to 8666+ (OC)
- 1 PCIe 5.0 x16, 1 PCIe 4.0 x16, 1 M.2 Key E for WiFi
- Graphics Output Options: 1 HDMI, 1 DisplayPort
- Realtek ALC897 7.1 CH HD Audio Codec, Nahimic Audio
- 4 SATA3
- 1 Blazing M.2 (PCIe Gen5x4)
- 2 Hyper M.2 (PCIe Gen4x4)
- 1 USB 3.2 Gen2x2 Type-C (Rear)
- 1 USB 3.2 Gen1 Type-C (Front)
- 8 USB 3.2 Gen1 (6 Rear, 2 Front)
- 6 USB 2.0 (2 Rear, 4 Front)
- Realtek 2.5G LAN
- Supports BIOS Flashback, M.2 Bottom Heatsink
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Specs
Learn more about the ASRock B860 Pro RS
| Brand | ASRock |
|---|---|
| Model | B860 Pro RS |
| Part Number | B860 Pro RS |
| CPU Socket Type | LGA 1851 |
|---|---|
| CPU Type | Intel Core Ultra Processors (Series 2) |
| Chipset | Intel B860 |
|---|
| Number of Memory Slots | 4x288pin (DDR5) |
|---|---|
| Memory Standard | Up to DDR5 8666+(OC) |
| Maximum Memory Supported | 256GB |
| Channel Supported | Dual Channel |
| Memory Feature | Supports DDR5 non-ECC, un-buffered memory up to 8666+(OC)* Supports Clocked Unbuffered DIMM (CUDIMM) |
| PCI Express 5.0 x16 | CPU: - 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode* |
|---|---|
| PCI Express 4.0 x16 | Chipset: - 1 x PCIe 4.0 x16 Slot (PCIE2), supports x4 mode* |
| 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 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* * 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 CH HD Audio with Content Protection |
| LAN Chipset | Dragon RTL8125BG |
|---|---|
| Max LAN Speed | 2.5Gbps |
| Back I/O Ports | 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 |
|---|
| Onboard USB | 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 ports) 1 x Front Panel Type C USB 3.2 Gen1 Header |
|---|---|
| Other Connectors | 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 Connectors (4-pin) (Smart Fan Speed Control)*** 4 x Chassis Fan Connectors (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 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_FAN1~4 and AIO_PUMP support the fan power up to 3A (36W). CPU_FAN2, CHA_FAN1~4 and 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 (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 |
| Windows 11 | Windows 11 64-bit |
| Form Factor | ATX |
|---|---|
| Dimensions (W x L) | 12.0" x 9.6" |
| Power Pin | 1 x 24 pin ATX Power Connector 2 x 8 pin 12V Power Connectors (Hi-Density Power Connector) |
| Features | 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 - Pre-Installed I/O Shield Ultrafast Connectivity - 2.5G LAN, 802.11axe Wi-Fi 6E Module EZ Update - BIOS Flashback Button - ASRock Auto Driver Installer EZ Troubleshooter - ASRock Post Status Checker |
|---|
| Package Contents | 2 x SATA Data Cables 2 x ASRock WiFi 2.4/5/6 GHz Antennas |
|---|
| First Listed on Newegg | November 22, 2025 |
|---|
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Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-909-590-8308
- Support Email: support@asrockamerica.com
- Support Website
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