The Sapphire Pulse B850M Wi-Fi is built around the AM5 socket with B850 chipset compatibility, housed in a Micro-ATX form factor measuring 244 mm × 235 mm, making it a compact option for single-CPU builds. It supports overclocking and includes integrated wireless connectivity spanning Wi-Fi 4, 5, and 6 (802.11n/ac/ax) alongside Bluetooth 5.3, though aptX audio codec support is not included. The board does not feature RGB lighting, a dual BIOS setup, or a dedicated CMOS reset button, and it carries no integrated CPU or graphics solution. A three-year warranty is provided, offering reasonable long-term coverage for the platform.
This board supports DDR5 memory across four slots in a dual-channel configuration, with a maximum capacity of 256 GB. Overclocked RAM speeds can reach up to 7600 MHz, giving users meaningful headroom for performance tuning. ECC memory is not supported, so the platform is oriented toward standard consumer use rather than workstation or server applications.
The rear I/O panel offers two USB 3.2 Gen 1 Type-A ports and six USB 2.0 ports for peripheral connectivity, while higher-speed options such as USB 3.2 Gen 2, USB 4, Thunderbolt, and USB Type-C are not present. Display output is handled through one HDMI port and one DisplayPort, with no DVI or VGA connectors available. Network connectivity is covered by a single RJ45 Ethernet port, and legacy interfaces such as eSATA and PS/2 are absent from this board.
For internal storage, the board provides four SATA 3 connectors and two M.2 sockets, with no SATA 2, U.2, or mSATA options available. USB expansion headers include two USB 3.2 Gen 1 connectors, two additional USB 3.0 headers, and four USB 2.0 expansion ports, allowing for a reasonable number of front-panel and add-in USB connections beyond what the rear I/O offers directly.
The board's expansion slot layout is straightforward, offering one PCIe 4.0 x16 slot as the primary graphics card interface and one PCIe x4 slot for additional cards. No PCIe 5.0 x16, PCIe 3.0 x16, PCIe 2.0 x16, PCIe x8, PCIe x1, or legacy PCI slots are present, reflecting the compact nature of the Micro-ATX form factor and keeping the expansion options focused rather than expansive.
Audio output on this board reaches up to 5.1 channels, served through three analog audio connectors on the rear I/O. A digital S/PDIF Out port is not included, so users requiring optical or coaxial digital audio output will need to look to an external solution.