Asrock B850M Pro-A WiFi mATX Motherboard | AM5 | 4x DDR5 Slots | Wi-Fi 6E
KEY FEATURES
- Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors
- 8+2+1 Phase Power Design, Dr.MOS for VCore+SOC+MISC
- 4 x DDR5 DIMMs, Supports Dual Channel, up to 8000+ (OC)
- 1 PCIe 5.0 x16, 1 PCIe 4.0 x4
- Graphics Output Options: 1 HDMI, 1 DisplayPort
- Realtek ALC897 7.1 CH HD Audio Codec
- 1 Blazing M.2 (PCIe Gen5x4), 2 Hyper M.2 (PCIe Gen4x4), 4 SATA3
- 1 USB 3.2 Gen2 Type-C (Rear), 1 USB 3.2 Gen2 Type-A (Rear), 1 USB 3.2 Gen1 Type-C (Front), 6 USB 3.2 Gen1 (2 Rear, 4 Front), 8 USB 2.0 (4 Rear, 4 Front)
- Realtek 2.5G LAN
- 802.11axe WiFi 6E +Bluetooth
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Frequently Asked Questions
What processors are compatible with the Asrock B850M Pro-A WiFi?
Does the motherboard support overclocking?
What type of memory does the Asrock B850M Pro-A WiFi support?
Asrock B850M Pro-A WiFi mATX Motherboard | AM5 | 4x DDR5 Slots | Wi-Fi 6E
Description
This micro ATX board centres around AMD's B850 chipset, offering mainstream features in a compact form factor that fits smaller PC builds. The AM5 socket supports current AMD Ryzen 7000, 8000, and 9000 series processors, while four DDR5 memory slots can accommodate up to 256GB of system memory. Built-in Wi-Fi 6E and Bluetooth 5.2 eliminate the need for separate wireless cards, and the 2.5 Gigabit Ethernet provides faster wired networking than standard gigabit connections.
Storage flexibility comes through three M.2 slots - one PCIe 5.0 slot for the fastest NVMe drives, plus two PCIe 4.0 slots for additional storage expansion. The single PCIe x16 Gen 5.0 slot handles modern graphics cards, while a PCIe x4 Gen 4.0 slot adds room for expansion cards like sound cards or capture devices. Memory support includes both ECC and non-ECC DDR5, with EXPO profile support to achieve rated speeds beyond standard JEDEC specifications.
The board includes practical touches like dual CPU fan headers for flexible cooling setups and an RGB LED header for lighting customisation. An external Wi-Fi antenna comes in the box alongside the standard I/O shield and user documentation. The black PCB keeps things understated, while 7.1 channel audio handles sound without requiring a separate sound card for most users.
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 | 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 4.0, PCI Express 5.0, SATA III |
| Number of storage drives supported | 7 |
| 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 | |
|---|---|
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 3 |
| 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 | 3 |
| EPS power connector (8-pin) | Yes |
| Number of EPS power connectors (8-pin) | 1 |
| 12V power connector | Yes |
| TPM connector | Yes |
| RGB LED pin header | Yes |
| Number of RGB LED pin headers | 1 |
| Rear panel I/O ports | |
|---|---|
| USB 2.0 ports quantity | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| 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 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| Line-in | Yes |
| Headphone outputs | 3 |
| Microphone in | Yes |
| WiFi-AP antenna jack | 2 |
| 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 | Yes |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax) |
| Bluetooth | Yes |
| Bluetooth version | 5.2 |
| Features | |
|---|---|
| Component for | PC |
| Motherboard form factor | micro ATX |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Audio chip | Realtek ALC897 |
| Audio output channels | 7.1 channels |
| Product colour | Black |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Certification | FCC, CE, ErP/EuP |
| Expansion slots | |
|---|---|
| PCI Express x4 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| Number of M.2 (M) slots | 3 |
| 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 |
| BIOS | |
|---|---|
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Weight & dimensions | |
|---|---|
| Width | 244 mm |
| Depth | 244 mm |
| Packaging content | |
|---|---|
| Antenna included | Yes |
| Cables included | SATA |
Frequently Asked Questions
What processors are compatible with the Asrock B850M Pro-A WiFi?
Does the motherboard support overclocking?
What type of memory does the Asrock B850M Pro-A WiFi support?
Is Wi-Fi included with this motherboard?
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