Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Processor socket | AM5 |
| Supported processor sockets | Socket AM5 |
| Memory | |
| Maximum internal memory | 256 GB |
| ECC | ![]() |
| Non-ECC | ![]() |
| Supported memory types | DDR5 |
| Memory channels | Dual-channel |
| Unbuffered memory | ![]() |
| Memory slots type | DIMM |
| Number of memory slots | 4 |
| Supported memory clock speed (max) | 8000 MHz |
| ECC сompatibility | ECC & Non-ECC |
| Weight & dimensions | |
| Width | 244 mm |
| Depth | 244 mm |
| Networking | |
| Ethernet LAN | ![]() |
| Bluetooth | ![]() |
| LAN controller | Dragon RTL8125BG |
| Wi-Fi | ![]() |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Internal I/O | |
| USB 2.0 connectors | 2 |
| CPU fan connector | ![]() |
| ATX Power connector (24-pin) | ![]() |
| Number of EATX power connectors | 1 |
| Number of chassis fan connectors | 3 |
| Front panel audio connector | ![]() |
| TPM connector | ![]() |
| EPS power connector (8-pin) | ![]() |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 3 |
| Number of SATA III connectors | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 0 |
| Front panel connector | ![]() |
| 12V power connector | ![]() |
| RGB LED pin header | ![]() |
| Number of RGB LED pin headers | 1 |
| Number of CPU fan connectors | 2 |
| Number of EPS power connectors (8-pin) | 1 |
| Back panel I/O ports | |
| Line-in | ![]() |
| USB connector type | USB Type-A, USB Type-C |
| USB 2.0 ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| Headphone outputs | 3 |
| Microphone in | ![]() |
| VGA (D-Sub) ports quantity | 0 |
| DVI-D ports quantity | 0 |
| WiFi-AP antenna jack | 2 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| Storage controllers | |
| RAID levels | 0, 1, 10 |
| RAID support | ![]() |
| Number of storage drives supported | 7 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | PCI Express 4.0, PCI Express 5.0, SATA III |
| Packaging content | |
| Cables included | SATA |
| Screws included | ![]() |
| Expansion slots | |
| PCI Express x16 slots | 1 |
| Number of M.2 (M) slots | 3 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x4 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| 1st M.2 largest key size | 2280 |
| 2nd M.2 largest key size | 2280 |
| 3rd M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| 3rd M.2 highest PCI Express generation | 4.0 |
| BIOS | |
| BIOS memory size | 256 Mbit |
| BIOS type | UEFI AMI |
| Clear CMOS button | ![]() |
| Graphics | |
| Maximum resolution | 3840 x 2160 pixels |
| Parallel processing technology support | Not supported |
| HDCP | ![]() |
| Features | |
| Certification | FCC, CE, ErP/EuP |
| Motherboard chipset | AMD B850 |
| Motherboard form factor | Micro ATX |
| Product colour | Black |
| Audio output channels | 7.1 channels |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Motherboard chipset family | AMD |
| Component for | PC |
| Audio chip | Realtek ALC897 |
| EAN | 4711581490345 |
| Warranty | 3 years |
The ASRock B850M Pro RS is a Micro ATX motherboard engineered for the AMD AM5 socket. It is built upon the B850 chipset, providing native support for Ryzen 7000, 8000, and 9000 series processors. The board accommodates up to 256 GB of DDR5 memory across four DIMM slots, supporting dual-channel configurations and clock speeds up to 8000 MHz. Power is delivered through standard 24-pin ATX and 8-pin EPS connectors, designed to supply sufficient current for modern CPUs and system components.
For high-performance components, the motherboard is equipped with a primary PCIe 5.0 x16 slot. Its storage subsystem includes three M.2 slots for NVMe SSDs and four SATA III ports, with functionality for RAID 0, 1, and 10 arrays. Connectivity options are comprehensive, featuring a 2.5GbE LAN port for high-speed wired networking and integrated Wi-Fi 6E with Bluetooth support. The rear I/O provides a range of modern ports, including USB Type-A and Type-C, alongside HDMI 2.1 and DisplayPort 1.4 for video output.
Key Features:- Supports AMD Ryzen 7000, 8000, and 9000 series processors
- Built on the AMD B850 chipset with an AM5 socket
- Micro ATX form factor for compact to mid-size builds
- Four DDR5 DIMM slots accommodate up to 256 GB of memory
- Features one primary PCIe 5.0 x16 slot for graphics cards
- Includes three M.2 slots and four SATA III ports for storage
- Provides 2.5GbE LAN, Wi-Fi 6E, and Bluetooth connectivity
- Offers rear USB Type-A, Type-C, HDMI 2.1, and DisplayPort 1.4 ports
- Equipped with a Realtek ALC897 audio chip
- Features an RGB LED pin header for system lighting
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- manual pdf (English)
- manual pdf (English)


