The AMD Sapphire NITRO+ B850A WIFI7 is a full-size ATX motherboard designed for AMD processors using the Socket AM5 platform. It is compatible with AMD Ryzen 7000, 8000, and 9000 Series processors and is built around the AMD B850 chipset. The board features a sleek grey and black design and measures 305 x 244 x 245 mm. With support for up to 192 GB of DDR5 memory across four DIMM slots in a dual-channel configuration, and overclocking support up to 8000+ MHz, this board is well suited for demanding computing tasks.
Memory, Storage and Expansion
The NITRO+ B850A offers three M.2 slots and four SATA III connectors for flexible storage options. Expansion is handled by one PCIe x16 Gen 5.x slot and two PCIe x16 Gen 4.x slots, providing room for modern graphics cards and additional components. These features make it a solid foundation for high-performance builds.
Connectivity and Audio
On the connectivity front, this motherboard includes Wi-Fi 7 (802.11be) and Bluetooth 5.3 for wireless communication, as well as a 2.5G wired LAN port powered by the Dragon RTL8125BG controller. Display outputs include one HDMI and one DisplayPort. USB connectivity is extensive, covering USB 2.0, USB 3.2 Gen 1, and USB 3.2 Gen 2 ports in both Type-A and Type-C variants. Audio is handled by a Realtek ALC897 chip supporting 7.1-channel output, complemented by a front panel audio connector and three headphone outputs.
Product number manufacturer:
52123-03-40G
Audio
Connectivity
USB 3.2 (Gen 1) type A ports:
2
USB 3.2 (Gen 1) type C ports:
1
USB 3.2 (Gen 2) type A ports:
3
USB 3.2 (Gen 2) type C ports:
1
Internal I/O
ATX Power connector (24-pin):
EPS power connector (8-pin):
Front panel audio connector:
USB 3.1 (3.1 Gen 2) connectors:
0
USB 3.1 (Gen 1) header(s):
2
Memory
Supported memory clock speeds (OC):
8000+ (OC) MHz
Networking
Network technology (wired):
Physical characteristics
Processor
Compatible processor series:
AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Sockets
Technical details
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