Asrock B850M Rock WiFi AMD B850 Socket AM5 micro ATX
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Overview
Dr. MOS
Dr.MOS is an integrated power stage optimized for synchronous buck-set down voltage applications, delivering higher current and better thermal efficiency than traditional MOSFETs, ensuring enhanced stability.
6 Layer PCB
The 6 Layer PCB provides stable signal traces and power shapes delivering lower temperature and higher energy efficiency for memory overclocking! Thus, it's able to support the latest memory modules with most extreme memory performance!
DDR5 XMP & EXPO Support
Derived from the “built for stable and reliable” designing concept, ASRock does not compromise on any details. This motherboard is built with high quality materials, enthusiasts are able to enjoy the boost of DDR5 memory overclocking performance by enabling the pre-tested profiles. Make sure the memory modules are Intel® XMP/AMD EXPO™ capable and overclocking can be made so affordable, satisfying and absolutely no sweat at all.
PCIe Gen5 Blazing M.2
The Blazing M.2 accommodates the latest PCI Express 5.0 standard to perform twice the bandwidth compared to previous generation, with a breathtaking 128Gb/s transfer speed, it is ready to unleash the full potential of future ultrafast SSDs.
Aluminum Heatsink
The first thing that catches the eye is the optimized Aluminum Heatsink Design. Heatsinks are crucial for efficient heat dissipation, especially during heavy workloads like gaming or productivity tasks. Motherboard that built with heatsinks can effectively manage thermal performance, hence ensure system stability and durability effortlessly.
Wi-Fi 6E 802.11axe
WiFi 6E technology has extended to the whole new 6GHz spectrum band, providing more WiFi capability and giving an even better and faster internet traffic. In addition to deliver higher speeds, the WiFi 6E also enhances the lower latency and supports service levels that are equivalent to 5G networks.
Built-in Bluetooth
Connect wireless peripherals and accessories with ease. From keyboards and mice to headsets, controllers, speakers, and smartphones, built-in Bluetooth helps reduce cable clutter and makes daily wireless pairing more convenient.
Dragon 2.5 Gb/s LAN
The intelligent 2.5Gb/s LAN platform is built for maximum networking performance for the demanding requirements of home networking, content creators, online gamers and high-quality streaming media. Boost networking performance up to 2.5X the bandwidth compared to the standard gigabit Ethernet, you’ll enjoy the faster and uncompromised connectivity experience for gaming, file transfers and backups.
Front USB 3.2 Gen1 Type-C
Front USB 3.2 Gen1 Type-C header delivers up to 5 Gbps data transfer rate and next generation reversible USB design to the front panel of computer case.
POLYCHROME RGB
This motherboard features onboard RGB headers and addressable RGB headers that allow motherboard to be connected to compatible LED devices such as strip, CPU fans, coolers, chassis and so on. Users may also synchronize RGB LED devices across the Polychrome RGB Sync-certified accessories to create their own unique lighting effects.
SignalRGB
SignalRGB unifies your RGB devices, offering seamless customization, game-reactive effects, macro automation, and system monitoring. The official partnership empowers ASRock motherboards with advanced lighting control, enhances compatibility with a diverse range of RGB devices, and provides greater customization flexibility.
Specifications
Internal I/O
| Number of M.2 (M) slots | 1 |
|---|---|
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Supported storage drive interfaces | M.2, SATA III |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| TPM connector | Yes |
| Number of SATA III connectors | 4 |
| Number of chassis fan connectors | 2 |
| Front panel audio connector | Yes |
| EPS power connector (8-pin) | Yes |
| CPU fan connector | Yes |
| ATX Power connector (24-pin) | Yes |
| RGB LED pin header | Yes |
| Number of CPU fan connectors | 1 |
| Number of EPS power connectors (8-pin) | 1 |
Audio
| Audio output channels | 7.1 channels |
|---|
Show all 65 specificationsShow fewer specifications
Performance
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
|---|---|
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| RAID levels | 0, 1, 10 |
| Motherboard form factor | micro ATX |
| Component for | PC |
Processor
| Processor manufacturer | AMD |
|---|---|
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Maximum number of SMP processors | 1 |
| Processor socket | Socket AM5 |
Memory
| Number of memory slots | 2 |
|---|---|
| Memory slots type | DIMM |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Maximum internal memory | 128 GB |
| ECC ?ompatibility | ECC & Non-ECC |
Storage controllers
| RAID support | Yes |
|---|
Graphics
| HDCP | Yes |
|---|---|
| HDCP version | 2.3 |
Rear panel I/O ports
| 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 | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 0 |
| DisplayPort version | 1.4 |
| USB 2.0 ports quantity | 2 |
| VGA (D-Sub) ports quantity | 0 |
| Microphone in | Yes |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| DVI-D ports quantity | 0 |
| DisplayPorts quantity | 1 |
| Line-in | Yes |
Network
| Ethernet LAN | Yes |
|---|---|
| Wi-Fi | Yes |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6E (802.11ax) |
| LAN controller | Dragon RTL8125BG |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Bluetooth | Yes |
| Bluetooth version | 5.3 |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
Features
| Audio chip | Realtek ALC897 |
|---|
Expansion slots
| PCI Express x16 (Gen 3.x) slots | 1 |
|---|---|
| PCI Express x16 (Gen 5.x) slots | 1 |
BIOS
| BIOS type | UEFI AMI |
|---|---|
| BIOS memory size | 512 Mbit |
Weight & dimensions
| Width | 244 mm |
|---|---|
| Depth | 226 mm |
Packaging content
| Cables included | SATA |
|---|---|
| Antenna included | Yes |
Customer reviews
Delivery & returns
Delivery
- FREE standard delivery on orders over £50, otherwise £4.95 (3–5 working days).
- Express delivery £9.99 (1–3 working days) on selected products, UK mainland.
- PlayStation and Arozzi products use a 5–7 working-day service.
- Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.
Returns
- Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum £9.99 collection fee applies.
- Faulty or damaged on arrival? Contact us within 48 hours of delivery.
- Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.