Asrock B860 Pro RS ATX Motherboard | LGA1851 | 4x DDR5 Slots
KEY FEATURES
- 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
- 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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Frequently Asked Questions
What processors are compatible with the Asrock B860 Pro RS?
How much memory can the Asrock B860 Pro RS support?
What is the benefit of the 2.5 Gb/s LAN feature?
Asrock B860 Pro RS ATX Motherboard | LGA1851 | 4x DDR5 Slots
Description
The ASRock B860 Pro RS brings Intel's B860 chipset to a full-size ATX format, supporting the latest Intel Core Ultra Series 2 processors through the LGA1851 socket. This mainstream motherboard targets builders who want a solid platform for modern Intel systems without premium pricing. The B860 chipset sits in Intel's mid-range tier, offering essential features for gaming and productivity builds while keeping costs reasonable.
Memory support covers DDR5 with speeds up to 8666MHz across four DIMM slots, allowing configurations up to 256GB total capacity. Two PCIe x16 slots provide expansion flexibility - one running at PCIe 5.0 speeds for the latest graphics cards, and another at PCIe 4.0 for additional cards or high-speed storage. The board includes 2.5 Gigabit Ethernet for faster network speeds and 7.1-channel HD audio for quality sound output. An RGB LED pin header lets you connect compatible lighting strips for system customization.
Power delivery comes through a single 8-pin EPS connector, with two dedicated CPU fan headers for cooling management. The motherboard ships with a 256MB AMI UEFI BIOS that supports memory overclocking profiles to reach those higher DDR5 speeds. Standard ATX mounting means compatibility with most mid-tower and full-tower cases, while the layout provides good component spacing for builds with multiple expansion cards.
Feature
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Shipping Information
- Next Business Day: £6.99
- 2 days Delivery: £4.99
- 3- 5 Days Shipping: £3.99
- Orders Over £99.00: Free Standard Delivery
| Processor | |
|---|---|
| Processor manufacturer | Intel |
| Processor socket | LGA 1851 (Socket V1) |
| Compatible processor series | Intel Core Ultra (Series 2) |
| Memory | |
|---|---|
| Supported memory types | DDR5-SDRAM |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| Supported memory clock speed (max) | 8666 MHz |
| Maximum internal memory | 256 GB |
| Unbuffered memory | Yes |
| Storage controllers | |
|---|---|
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| Number of storage drives supported | 7 |
| RAID support | Yes |
| RAID levels | 0, 1, 5, 10 |
| Internal I/O | |
|---|---|
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 4 |
| Front panel audio connector | Yes |
| ATX Power connector (24-pin) | Yes |
| CPU fan connector | Yes |
| Number of CPU fan connectors | 2 |
| Number of chassis fan connectors | 4 |
| EPS power connector (8-pin) | Yes |
| Number of EPS power connectors (8-pin) | 1 |
| TPM connector | Yes |
| RGB LED pin header | Yes |
| Rear panel I/O ports | |
|---|---|
| USB 2.0 ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 6 |
| USB 3.2 Gen 2x2 Type-C ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| Line-in | Yes |
| Microphone in | Yes |
| Network | |
|---|---|
| Ethernet LAN | Yes |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| LAN controller | Dragon RTL8125BG |
| Wi-Fi | No |
| Top Wi-Fi standard | Not available |
| Features | |
|---|---|
| Component for | PC |
| Motherboard form factor | ATX |
| Motherboard chipset family | Intel |
| Motherboard chipset | Intel B860 |
| Audio chip | Realtek ALC897 |
| Audio output channels | 7.1 channels |
| Windows operating systems supported | Windows 11 x64 |
| Expansion slots | |
|---|---|
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| Number of M.2 (M) slots | 3 |
| BIOS | |
|---|---|
| BIOS type | EFI AMI |
| BIOS memory size | 256 Mbit |
| Weight & dimensions | |
|---|---|
| Width | 305 mm |
| Depth | 244 mm |
| Packaging content | |
|---|---|
| Cables included | SATA |
Frequently Asked Questions
What processors are compatible with the Asrock B860 Pro RS?
How much memory can the Asrock B860 Pro RS support?
What is the benefit of the 2.5 Gb/s LAN feature?
Can I overclock my memory with this motherboard?
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