ASROCK B850 Pro-A WiFi
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ASROCK B850 Pro-A WiFi
The ASROCK B850 Pro-A WiFi motherboard offers extensive expansion and personalisation options. It features a USB 3.2 Gen2x2 Type-C port, support for USB Alternate Mode to transfer video and data with a single cable, and POLYCHROME RGB technology with SignalRGB synchronisation for custom lighting effects. You'll also appreciate the reinforced PCIe 5.0 slot, the practical BIOS Flashback function, and the pre-installed Auto Driver Installer, which simplifies initial system setup without needing an optical drive.
AMD B850
Chipset
AMD AM5
Socket
ATX
Form factor
DDR5
Memory type
4×
Number of RAM slotsKey features of the ASROCK B850 Pro-A WiFi motherboard
- Stable and durable design with an 8-layer PCB
- 14+2+1 Power Phase system with Dr. MOS technology
- DDR5 memory support with XMP and EXPO profiles
- PCIe 5.0 Blazing M.2 slot with transfer speeds of up to 128Gb/s
- Integrated Dragon 2.5Gb/s LAN and Wi-Fi 6E
- USB 3.2 Gen2x2 Type-C interface with DP Alt Mode support
- POLYCHROME RGB lighting with SignalRGB synchronisation
- Reinforced PCIe 5.0 slot for reliable graphics card installation
Optimised power and high performance
The board uses a 14+2+1 phase power design with Dr. MOS components and Hi-Density Power connectors, ensuring smooth power delivery even under heavy loads. The robust 8-layer PCB ensures stable signal transmission, lower temperatures, and higher efficiency when overclocking. Support for DDR5 memory with XMP and EXPO profiles lets you achieve exceptional speed and performance without complicated setup.
Efficient cooling and next-gen connectivity
Cooling is handled by a massive aluminium heatsink that dissipates heat even during long periods of use. Users will appreciate the Blazing M.2 interface with PCIe 5.0 support, which enables extremely fast data transfers of up to 128Gb/s. It also includes Dragon 2.5Gb/s LAN network connectivity and modern Wi-Fi 6E wireless technology, which extends the transmission band to the 6GHz spectrum and provides a stable, low-latency connection.
Port selection
Storage
- Number of SATA III: 4
- Number of M.2: 4
- M.2 Slot 1 – PCIe 5.0 x4 (type 2280, CPU, Blazing M.2)
- M.2 Slot 2 – PCIe 4.0 x4 (type 2280, CPU, Hyper M.2)
- M.2 Slot 3 – PCIe 4.0 x4 (type 2230/2242/2260/2280, chipset, Hyper M.2)
- M.2 Slot 4 – PCIe 3.0 x4 (type 2280, chipset, Ultra M.2)
- Functions: RAID 0, RAID 1, RAID 10 (support for NVMe SSD; SATA supports RAID 0 and RAID 1)
USB ports
- Rear USB-C 3.2 Gen 2: 1
- Rear USB-C 3.2 Gen 1 (DP Alt Mode): 1
- Rear USB 3.2 Gen 1 Type-A: 4
- Rear USB 2.0: 6
- Internal USB-C 3.2 Gen 2x2: 1
- Internal USB 3.2 Gen 1: 1
- Internal USB 2.0: 2
Graphics
- HDMI 2.1
- USB-C
- Graphics outputs: HDMI, USB-C
Sound
- Number of channels: 7.1
- Sound chip: Realtek® ALC897 Audio Codec
- Rear connectors: 3× 3.5mm audio jack (Line-in, Front Speaker, Mic)
- Internal connectors: Front panel audio header
Other
- Network: Realtek® Dragon RTL8125BG 2.5GbE LAN (10/100/1000/2500Mb/s)
- Wi-Fi: 802.11axe Wi-Fi 6E (2.4/5/6GHz, Bluetooth 5.2, MU-MIMO, 2× antennas)
- Rear connectors: 2× antenna port, RJ-45, BIOS Flashback button
- Power: 24-pin ATX, 2× 8-pin ATX 12V (Hi-Density connectors)
- Cooling: 2× CPU FAN, 4× system FAN, 1× AIO Pump
- Internal connectors: 3× ARGB LED, 1× RGB LED, TPM, USB headers, front panel audio, Power LED and Speaker header
Choosing a motherboard
When choosing a motherboard, it is important to pay particular attention to the motherboard socket type, format and chipset. These are the most important parameters and ensure the board's compatibility with the processor, expansion cards and other components. The specific socket will be used to select a suitable processor, while the remaining connectors will determine which other components you need for your future computer.Specifications
Socket and chipset
Format & functions
Memory
Advanced parameters
Connectors
Compatibility
Colour
| Code: | ASb850p4 |
| Warranty: | 36 months |
| Links: | Producer's Website: |