ROG Strix B850-A GAMING WIFI7 NEO AMD ATX Mainboard (14+2+2 Power Stages, DDR5 Slots, 4x M.2 Slots, PCIe 5.0, 3x USB 2.0 Headers, USB 20Gbps Type-C, WiFi 7, Realtek 5G & Aura Sync RGB)
Description
The ROG STRIX B850-A GAMING WIFI7 Neo motherboard features a sleek white PCB and support for AMD Ryzen™ 9000, 8000, 7000 Series processors, delivering smarter performance and faster connectivity for gaming, creation, and everyday use. Powered by AI technologies — including AI Cache Boost, ASUS AI Advisor, AI Networking II, AI Cooling II and AEMP — it offers a streamlined setup and optimized performance. With support for up to 23 USB ports, enhanced memory routing, EZ PC DIY design, 64MB BIOS, and Realtek ® 5G Ethernet, users can enjoy seamless setup, future-ready compatibility, and ultra-fast, stable networking.
Specifications
| Internal I/O |
| Number of M.2 (M) slots |
4 |
| Thunderbolt headers |
1 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors |
1 |
| Front panel connector |
Yes |
| Supported storage drive interfaces |
M.2, SATA III |
| USB 2.0 connectors |
3 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors |
2 |
| Number of SATA III connectors |
2 |
| Number of chassis fan connectors |
4 |
| 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 |
2 |
| Number of EPS power connectors (8-pin) |
2 |
| Number of water pump connectors |
1 |
| Number of RGB LED pin headers |
3 |
| Technical details |
| Motherboard chipset family |
AMD |
| Motherboard chipset |
AMD B850 |
| Supported processor sockets |
Socket AM5 |
| Parallel processing technology support |
Not supported |
| On-board graphics card |
No |
| HDMI version |
2.1 |
| Cooling type |
Passive |
| Motherboard form factor |
ATX |
| Component for |
PC |
| Audio |
| Audio output channels |
7.1 channels |
| Performance |
| Number of HDDs supported |
4 |
| Supported storage drive types |
HDD & SSD |
| Windows operating systems supported |
Windows 11 |
| Motherboard chipset family |
AMD |
| Motherboard chipset |
AMD B850 |
| RAID levels |
0, 1, 5, 10 |
| Supported processor sockets |
Socket AM5 |
| Cooling type |
Passive |
| 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 |
| Supported memory clock speed (max) |
9000 MHz |
| ECC сompatibility |
ECC & Non-ECC |
| Maximum internal memory per slot |
64 GB |
| Storage controllers |
| Number of HDDs supported |
4 |
| Supported storage drive types |
HDD & SSD |
| Supported storage drive interfaces |
M.2, SATA III |
| RAID levels |
0, 1, 5, 10 |
| Number of storage drives supported |
6 |
| RAID support |
Yes |
| Graphics |
| Parallel processing technology support |
Not supported |
| On-board graphics card |
No |
| Maximum resolution |
3840 x 2160 pixels |
| Rear panel I/O ports |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity |
6 |
| 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 2.0 ports quantity |
2 |
| WiFi-AP antenna jack |
2 |
| VGA (D-Sub) ports quantity |
0 |
| S/PDIF out port |
Yes |
| Headphone outputs |
1 |
| HDMI version |
2.1 |
| HDMI ports quantity |
1 |
| Ethernet LAN (RJ-45) ports |
1 |
| DVI-D ports quantity |
0 |
| Digital audio optical out |
1 |
| Line-in |
Yes |
| Network |
| Ethernet LAN |
Yes |
| Wi-Fi |
Yes |
| Wi-Fi standards |
Wi-Fi 7 (802.11be) |
| Ethernet interface type |
5 Gigabit Ethernet |
| Bluetooth |
Yes |
| Bluetooth version |
5.4 |
| Top Wi-Fi standard |
Wi-Fi 7 (802.11be) |
| WLAN controller model |
MediaTek MT7925 |
| Features |
| Power source type |
ATX |
| Windows operating systems supported |
Windows 11 |
| Motherboard chipset family |
AMD |
| Motherboard chipset |
AMD B850 |
| Supported processor sockets |
Socket AM5 |
| Cooling type |
Passive |
| Audio output channels |
7.1 channels |
| Motherboard form factor |
ATX |
| Component for |
PC |
| Audio chip |
Realtek ALC4080 |
| 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 |
512 Mbit |
| Clear CMOS button |
Yes |
| BIOS flashback button |
Yes |
| Power |
| Power source type |
ATX |
| Video |
| Maximum resolution |
3840 x 2160 pixels |
| Software |
| Windows operating systems supported |
Windows 11 |
| Weight & dimensions |
| Width |
305 mm |
| Depth |
244 mm |
| Packaging content |
| Quick installation guide |
Yes |
| Cables included |
SATA |
| Antenna included |
Yes |
| Other features |
| Quick installation guide |
Yes |