The Biostar B450NH motherboard supports AMD Ryzen and Athlon processors with an AM4 socket and is based on the AMD B450 chipset. It has two DDR4 memory slots and supports up to 64 GB of memory. Its built-in M.2 slot supports PCIe 3.0 x4 NVMe/AHCI or SATA III SSDs.

Graphics output depends on the processor model, with HDMI and VGA ports. The Realtek RTL8111H network card supports speeds of up to 1,000 Mb/s, while audio is provided by the ALC887 codec with 7.1 channels.

• Chipset: AMD B450
• Processor socket: AM4
• Supported processors: 3rd, 2nd, and 1st generation AMD Ryzen; 2nd and 1st generation Ryzen with Radeon Vega Graphics; Athlon with Radeon Vega Graphics
• Memory slots: 2 x DDR4 DIMM
• Maximum memory capacity: 64 GB
• Memory speeds: 1866, 2133, 2400, and 2667 MHz, as well as 2933, 3200, 3600, and 4000 MHz in OC mode
• Memory support: Dual Channel, non-ECC, 8, 16, or 32 GB DDR4 modules
• SATA connectors: 4 x SATA III 6 Gb/s with AHCI and RAID 0, 1, and 10 support
• M.2 slot: 1 x M Key for 2260 or 2280 SSDs
• M.2 support: PCIe 3.0 x4 up to 32 Gb/s NVMe/AHCI and SATA III 6 Gb/s
• Expansion slot: 1 x PCIe 3.0 x16, operating at x16 with AMD Ryzen processors and x8 with Ryzen processors with Radeon Vega Graphics
• Network: Realtek RTL8111H, 10/100/1000 Mb/s, automatic speed negotiation, and half/full duplex
• Audio: ALC887, 7.1 channels, High Definition Audio
• USB 3.2 Gen 1: 6 ports, 4 on the rear panel and 2 via an internal header
• USB 2.0: 4 ports, 2 on the rear panel and 2 via an internal header
• Graphics outputs: HDMI and VGA
• Rear I/O: 1 PS/2 mouse or keyboard port, 1 HDMI, 1 VGA, 1 LAN, 4 USB 3.2 Gen 1, 2 USB 2.0, and 3 audio jacks
• Internal connections: 4 SATA III 6 Gb/s, 1 USB 2.0 header, 1 USB 3.2 Gen 1 header, 4-pin and 24-pin power connectors, CPU and system fan headers, front panel header, front audio header, Clear CMOS header, internal stereo speaker header, COM port header, and S/PDIF output
• Form factor: Mini-ITX
• Dimensions: 17 x 17 cm
• Supported operating systems: Windows 7 64-bit, Windows 10 64-bit, and Windows 11 64-bit