ASUS ROG STRIX B850-A GAMING WIFI - Motherboard - ATX - Socket AM5 - AMD B850 Chipset - USB-C 3.2 Gen 2x2, USB-C 3.2 Gen2, USB 3.2 Gen 2, USB 3.2 Gen 1 - 2.5 Gigabit LAN, Wi-Fi 7, Bluetooth - onboard graphics (CPU required) - HD Audio (8-channel)
MPN 90MB1J50-M0EAY0 EAN 4711387772676 ASUS
Trade customers only
£233.93 ex VAT
£280.72 inc VAT
In stock · 4 available
Trade customers only: orders need a verified business account. Prices ex VAT; VAT is added at checkout.
Quote-led: a person reviews pricing and stock before you commit.
Genuine stock with the manufacturer warranty intact.
Structured returns with credit notes when something is wrong.
Questions? 01224 600337 — Aberdeen & across the UK.
Fresh data: stock and pricing updated 22 Oct 2026.
Description
Manufacturer Code: 90MB1J50-M0EAY0
Overview
ASUS ROG STRIX B850-A GAMING WIFI - Motherboard - ATX - Socket AM5 - AMD B850 Chipset - USB-C 3.2 Gen 2x2, USB-C 3.2 Gen2, USB 3.2 Gen 2, USB 3.2 Gen 1 - 2.5 Gigabit LAN, Wi-Fi 7, Bluetooth - onboard graphics (CPU required) - HD Audio (8-channel) is available through DCS Components. It sits within the Motherboards category.
Key product details
- Motherboard
- ATX
- Socket AM5
- AMD B850 Chipset
- USB-C 3.2 Gen 2x2, USB-C 3.2 Gen2, USB 3.2 Gen 2, USB 3.2 Gen 1
Procurement and setup support
Available for quote while live availability remains in stock. DCS can help with procurement, compatibility checks, configuration planning, installation support and long-term managed IT lifecycle support.
EAN: 4711387772676
Specifications
| 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 |
| Supported memory types | DDR5-SDRAM |
|---|---|
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| ECC сompatibility | ECC & Non-ECC |
| Supported memory clock speed (max) | 8000 MHz |
| Maximum internal memory | 192 GB |
| Unbuffered memory | Yes |
| Supported storage drive types | HDD & SSD |
|---|---|
| Supported storage drive interfaces | M.2, SATA III |
| Number of HDDs supported | 2 |
| Number of storage drives supported | 6 |
| RAID support | Yes |
| RAID levels | 0, 1, 5, 10 |
| Parallel processing technology support | Not supported |
|---|---|
| On-board graphics card | No |
| Maximum resolution | 7680 x 4320 pixels |
| USB 2.0 connectors | 2 |
|---|---|
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Number of SATA III connectors | 2 |
| Front panel audio connector | Yes |
| Front panel 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 |
| Thunderbolt headers | 1 |
| Number of water pump connectors | 1 |
| Number of temperature sensor headers | 1 |
| RGB LED pin header | Yes |
| Number of RGB LED pin headers | 3 |
| USB 2.0 ports quantity | 2 |
|---|---|
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| 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 | 1 |
| USB 3.2 Gen 2x2 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 |
| Headphone outputs | 1 |
| Line-in | Yes |
| S/PDIF out port | Yes |
| Digital audio optical out | 1 |
| WiFi-AP antenna jack | 2 |
| Ethernet LAN | Yes |
|---|---|
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Wi-Fi | Yes |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |
| Wi-Fi standards | Wi-Fi 7 (802.11be) |
| Bluetooth | Yes |
| Bluetooth version | 5.4 |
| Motherboard chipset | AMD B850 |
|---|---|
| Audio chip | Realtek ALC4080 |
| Audio output channels | 7.1 channels |
| Product colour | White |
| Component for | PC |
| Motherboard form factor | ATX |
| Motherboard chipset family | AMD |
| Power source type | ATX |
| Windows operating systems supported | Windows 11 |
| 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 | 22110 |
| 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 type | UEFI AMI |
|---|---|
| BIOS memory size | 256 Mbit |
| Clear CMOS button | Yes |
| Package width | 353 mm |
|---|---|
| Package depth | 273 mm |
| Package height | 68 mm |
| Package weight | 2.04 kg |
| Width | 305 mm |
|---|---|
| Depth | 244 mm |
| Cables included | SATA |
|---|---|
| Antenna included | Yes |
| Weight | 2.04 kg |
|---|---|
| Quick installation guide | Yes |
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