ASRock B860M Pro-A
Motherboard | micro ATX | LGA1851 Socket | B860 Chipset | USB-C 3.2 Gen 2x2, USB-C 3.2 Gen 1, USB 3.2 Gen 1 | 2.5 Gigabit LAN | onboard graphics (CPU required) | HD Audio (8-channel)
Main Specification
| Product Description | ASRock B860M Pro-A - motherboard - micro ATX - LGA1851 Socket - B860 |
|---|---|
| Product Type | Motherboard - micro ATX |
| Chipset Type | Intel B860 |
| Processor Socket | 1 x LGA1851 Socket |
| Compatible Processors | (supports Intel Core Ultra processors (Series 2)) |
| Max RAM Size | 256 GB |
| RAM Supported | 4 DIMM slots - DDR5, non-ECC, unbuffered, clocked unbuffered |
| Storage Ports | 4 x SATA-600 (RAID), 2 x Hyper M.2, 1 x Blazing M.2 |
| USB / FireWire Ports | 1 x USB-C 3.2 Gen 2x2 + 3 x USB 3.2 Gen 1 + 2 x USB 2.0 + (1 x USB-C 3.2 Gen 1 + 2 x USB 3.2 Gen 1 + 4 x USB 2.0 via headers) |
| Audio | HD Audio (8-channel) |
| LAN | 2.5 Gigabit Ethernet |
General
| Product Type | Motherboard - micro ATX |
|---|---|
| Chipset Type | Intel B860 |
| Processor Socket | LGA1851 Socket |
| Max Processors Qty | 1 |
| Compatible Processors | (supports Intel Core Ultra processors (Series 2)) |
Supported RAM
| Max Size | 256 GB |
|---|---|
| Technology | DDR5 |
| Bus Clock | 8666 MHz (O.C.), 5600 MHz, 6800 MHz (O.C.), 6533 MHz (O.C.), 4800 MHz, 5600 MHz (O.C.), 4400 MHz |
| Supported RAM Integrity Check | Non-ECC |
| Registered or Buffered | Unbuffered, clocked unbuffered |
| Features | Dual channel memory architecture, Intel Extreme Memory Profiles (XMP) 3.0, AMD EXPO technology |
Audio
| Type | HD Audio (8-channel) |
|---|---|
| Audio Codec | Realtek ALC897 |
| Compliant Standards | High Definition Audio |
LAN
| Network Controller | Dragon RTL8125BG |
|---|---|
| Network Interfaces | 2.5 Gigabit Ethernet |
Expansion / Connectivity
| Expansion Slots | 1 x CPU 4 x DIMM 288-pin 1 x PCIe 5.0 x16 1 x PCIe 4.0 x4 1 x M.2 socket (2230 M.2 Key E slot) 2 x M.2 socket (2280 M.2 Key M slot) 1 x M.2 socket (2230/2242/2260/2280 M.2 Key M slot) |
|---|---|
| Storage Interfaces | SATA-600 -connectors: 4 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10 / RAID 5 PCIe 5.0 -connectors: 1 x Blazing M.2 PCIe 4.0 -connectors: 2 x Hyper M.2 |
| Interfaces | 1 x USB-C 3.2 Gen2x2 3 x USB 3.2 Gen 1 2 x USB 2.0 1 x LAN (2.5Gigabit Ethernet) 1 x HDMI 1 x DisplayPort 1 x audio line-in - mini-jack 1 x microphone - mini-jack 1 x audio line-out - mini-jack |
| Internal Interfaces | 1 x USB-C 3.2 Gen 1 - header 2 x USB 3.2 Gen 1 - header 4 x USB 2.0 - header 1 x SPI - header 1 x audio - header 1 x serial - header |
| Power Connectors | 24-pin main power connector, 8-pin ATX12V connector, 4-pin ATX12V connector |
Features
| BIOS Type | AMI |
|---|---|
| BIOS Features | UEFI BIOS |
| Hardware Features | Intel Hybrid Technology, Intel Turbo Boost Max Technology 3.0, Intel Adaptive Boost Technology (ABT), Intel Thermal Velocity Boost (TVB), CUDIMM support, BIOS FlashBack button, chipset heatsink, VRM heatsink design, 10+1+1+1+1 Power Phase Design, ASRock Auto Driver Installer, ASRock POST Status Checker (PSC), ASRock EZ Mode, ASRock Full HD UEFI, ASRock My Favorites in UEFI, ASRock Instant Flash, Dr.MOS MOSFET, 6 Layer PCB, M.2 heatsink, aluminium heatsink design, ASRock Polychrome RGB, DIY Friendly Design, ASRock Steel Slots |
Miscellaneous
| Included Accessories | IO shield, 1 x M.2 screw |
|---|---|
| Cables Included | 2 x Serial ATA cable |
| Software Included | ASRock A-Tuning, ASRock Dragon 2.5G LAN Software, ASRock Polychrome SYNC |
| Compliant Standards | FCC, ErP Ready, EuP Ready, HDCP 2.3, DisplayPort 1.4 |
| Width | 24.4 cm |
| Depth | 24.4 cm |
Product features
Advanced networking capabilities
The ASRock B860M Pro-A motherboard features 2.5 Gigabit Ethernet support, ensuring high-speed wired networking capabilities, while Bluetooth 5.3 allows for seamless connection to wireless devices.Flexible expansion options
This motherboard includes multiple PCIe slots and M.2 sockets for versatile expansion, accommodating various storage solutions and graphics cards to meet diverse user needs.Efficient thermal management
The enhanced M.2 heatsink design helps dissipate heat effectively, optimizing the performance of high-speed storage devices and maintaining system stability during intensive tasks.Robust RAM support
With support for up to four DIMM slots, the ASRock B860M Pro-A allows for dual-channel memory architecture and Intel Extreme Memory Profiles (XMP) 3.0 to boost RAM performance.User-friendly features
This motherboard comes equipped with an easy-to-navigate UEFI BIOS and ASRock Instant Flash, simplifying the process of updating firmware and managing system settings for a more user-friendly experience.Key selling points
- Supports Intel Core Ultra processors for enhanced performance
- Equipped with four DIMM slots for DDR5 SDRAM with speeds up to 4333 MHz
- Multiple expansion slots including PCIe 5.0 for superior connectivity
- Includes 2.5 Gigabit Ethernet and Bluetooth 5.3 for fast networking
- Features advanced thermal management with an enlarged M.2 heatsink
References
MPN: B860M PRO-A
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04/06/2026 05:25:56