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Asrock B850 Steel Legend WiFi AMD B850 Socket AM5 ATX
SKU
90-MXBQS0-A0UAYZ
£174.24
£145.20
In Stock
ATX, Socket AM5, AMD B850 chipset, 4 x DDR5 DIMM, 7.1 ch audio, 2.5 Gigabit LAN, Wi-Fi 7, Bluetooth 5.4, AMI UEFI BIOS
| SKU | 90-MXBQS0-A0UAYZ |
|---|---|
| EAN | 4711581490062 |
| Manufacturer | Asrock |
| Availability | In Stock |
| Product Manuals (HTML) |
View Manual |
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 0 |
| 12V power connector | Yes |
| Supported storage drive interfaces | PCI Express 4.0, PCI Express 5.0, SATA III |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| TPM connector | Yes |
| Number of SATA III connectors | 4 |
| Number of chassis fan connectors | 3 |
| 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 |
| USB 3.2 Gen 2x2 connectors | 1 |
| Number of CPU fan connectors | 2 |
| Number of EPS power connectors (8-pin) | 2 |
| Number of RGB LED pin headers | 1 |
| Technical details | |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Supported processor sockets | Socket AM5 |
| Parallel processing technology support | Not supported |
| HDMI version | 2.1 |
| Motherboard form factor | ATX |
| Component for | PC |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Supported storage drive types | HDD & SSD |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| RAID levels | 0, 1, 10 |
| Supported processor sockets | Socket AM5 |
| Certification | FCC, CE, ErP/EuP |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Supported processor sockets | Socket AM5 |
| Processor socket | Socket AM5 |
| Memory | |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Maximum internal memory | 256 GB |
| Unbuffered memory | Yes |
| ECC сompatibility | ECC & Non-ECC |
| Storage controllers | |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | PCI Express 4.0, PCI Express 5.0, SATA III |
| RAID levels | 0, 1, 10 |
| Number of storage drives supported | 8 |
| RAID support | Yes |
| Graphics | |
| Parallel processing technology support | Not supported |
| Maximum resolution | 3840 x 2160 pixels |
| HDCP | Yes |
| Rear panel I/O ports | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 3 |
| 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 | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 2 |
| USB connector type | USB Type-A, USB Type-C |
| USB 2.0 ports quantity | 4 |
| WiFi-AP antenna jack | 2 |
| VGA (D-Sub) ports quantity | 0 |
| S/PDIF out port | Yes |
| Microphone in | Yes |
| Headphone outputs | 2 |
| HDMI version | 2.1 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| DVI-D ports quantity | 0 |
| 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 6 (802.11ax), Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be) |
| LAN controller | Dragon RTL8125BG |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Bluetooth | Yes |
| Bluetooth version | 5.4 |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |
| Features | |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Supported processor sockets | Socket AM5 |
| Certification | FCC, CE, ErP/EuP |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Audio chip | Realtek ALC4082 |
| Product colour | White |
| Expansion slots | |
| Number of M.2 (M) slots | 4 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| 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 | 4.0 |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Video | |
| Maximum resolution | 3840 x 2160 pixels |
| HDCP | Yes |
| Certificates | |
| Certification | FCC, CE, ErP/EuP |
| Software | |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Weight & dimensions | |
| Width | 305 mm |
| Depth | 244 mm |
| Packaging content | |
| Cables included | SATA |
| Antenna included | Yes |
- Supports AMD Socket AM5 RyzenTM 9000, 8000 and 7000 Series Processors
- 14+2+1 Phase Power Design, 80A Dr.MOS for VCore+SOC
- 4 x DDR5 DIMMs, Supports Dual Channel, up to 8000+ (OC)
- 1 PCIe 5.0 x16, 1 PCIe 4.0 x16
- Graphics Output Options: 1 HDMI
- Realtek ALC4082 7.1 CH HD Audio Codec, Nahimic Audio
- 1 Blazing M.2 (PCIe Gen5x4), 3 Hyper M.2 (PCIe Gen4x4), 4 SATA3
- 1 USB 3.2 Gen2x2 Type-C (Front), 4 USB 3.2 Gen2 (2 Rear, 2 Rear Type-C), 7 USB 3.2 Gen1 (3 Rear, 4 Front), 8 USB 2.0 (4 Rear, 4 Front)
- Realtek 2.5G LAN
- 802.11be Wi-Fi 7 + Bluetooth
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|---|---|---|---|---|---|---|
| SKU |
90-MXBQS0-A0UAYZ
|
90MB14S0-M0EAY0
|
90MB19V0-M0EAY0
|
PRO Z790-P WIFI
|
90MB1BF0-M0EAY0
|
90MB1BZ0-M0EAY0
|
| Manufacturer |
Asrock
|
ASUS
|
ASUS
|
MSI
|
ASUS
|
ASUS
|
| Processor manufacturer |
N/A
|
AMD
|
AMD
|
Intel
|
AMD
|
AMD
|
| Motherboard form factor |
N/A
|
ATX
|
ATX
|
ATX
|
micro ATX
|
ATX
|
| Processor socket |
N/A
|
Socket AM4
|
Socket AM4
|
LGA 1700
|
Socket AM5
|
Socket AM5
|
| Supported memory types |
N/A
|
DDR4-SDRAM
|
DDR4-SDRAM
|
DDR5-SDRAM
|
DDR5-SDRAM
|
DDR5-SDRAM
|
| Number of memory slots |
N/A
|
4 to 6
|
4 to 6
|
4 to 6
|
4 to 6
|
4 to 6
|
| Component for |
N/A
|
PC
|
PC
|
PC
|
PC
|
PC
|





