Description
ASROCK B850 Pro-A motherboard with AM5 socket and ATX form factor, designed for AMD Ryzen 7000, 8000 and 9000 series processors. It has four DIMM slots for unbuffered DDR5 memory, with ECC and non-ECC support, up to 256 GB in dual channel. It offers RAID 0, 1 and 10 compatibility, with up to eight HDD or SSD storage drives via SATA III and PCI Express 3.0, 4.0 and 5.0 interfaces. It includes HDCP support for integrated graphics, without parallel processing capability.
Specifications
Processor
- Processor manufacturer: AMD
- Processor socket: Socket AM5
- Compatible processor series: AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
- Supported processor sockets: Socket AM5
Memory
- Supported memory types: DDR5-SDRAM
- Number of memory slots: 4
- Memory slots type: DIMM
- Memory channels: Dual-channel
- ECC сompatibility: ECC & Non-ECC
- Maximum internal memory: 256 GB
- Unbuffered memory: Yes
Storage controllers
- Supported storage drive types: HDD & SSD
- Supported storage drive interfaces: PCI Express 3.0, PCI Express 4.0, PCI Express 5.0, SATA III
- Number of storage drives supported: 8
- RAID support: Yes
- RAID levels: 0, 1, 10
Graphics
- Parallel processing technology support: Not supported
- Maximum resolution: 3840 x 2160 pixels
- HDCP: Yes
Internal I/O
- 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): 2
- TPM connector: Yes
- 12V power connector: Yes
- Number of water pump connectors: 1
- RGB LED pin header: Yes
- Number of RGB LED pin headers: 4
- USB 2.0 connectors: 2
- USB 3.2 Gen 1 (3.1 Gen 1) connectors: 1
- USB 3.2 Gen 2x2 connectors: 1
- Number of SATA III connectors: 4
Rear panel I/O ports
- USB 2.0 ports quantity: 6
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4
- USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity: 1
- USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity: 1
- Ethernet LAN (RJ-45) ports: 1
- HDMI ports quantity: 1
- HDMI version: 2.1
- Headphone outputs: 3
- Line-in: Yes
- Microphone in: Yes
- USB connector type: USB Type-A, USB Type-C
Network
- Ethernet LAN: Yes
- Ethernet interface type: 2.5 Gigabit Ethernet
- LAN controller: Dragon RTL8125BG
- Wi-Fi: No
Features
- Motherboard chipset: AMD B850
- Audio chip: Realtek ALC897
- Audio output channels: 7.1 channels
- Product colour: Black
- Component for: PC
- Motherboard form factor: ATX
- Motherboard chipset family: AMD
- Windows operating systems supported: Windows 10 x64, Windows 11 x64
- Certification: FCC, CE, ErP/EuP
Expansion slots
- PCI Express x16 (Gen 4.x) slots: 1
- PCI Express x16 (Gen 5.x) slots: 1
- Number of M.2 (M) slots: 4
- 1st M.2 largest key size: 2280
- 1st M.2 highest PCI Express generation: 5.0
- 2nd M.2 largest key size: 2280
- 2nd M.2 highest PCI Express generation: 4.0
- 3rd M.2 largest key size: 2280
- 3rd M.2 highest PCI Express generation: 4.0
- 4th M.2 largest key size: 2280
- 4th M.2 highest PCI Express generation: 3.0
BIOS
- BIOS type: UEFI AMI
- BIOS memory size: 256 Mbit
Weight & dimensions
- Width: 305 mm
- Depth: 244 mm
Packaging content
- Cables included: SATA
- Screws included: Yes
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