ASUS Prime B650M-A Wifi II DDR5 AMD Motherboard

The ASUS Prime B650M-A WiFi II is a Micro-ATX motherboard built on the AMD B650 chipset, designed to pair with AMD Ryzen 7000 Series processors via the AM5 socket. Its compact 9.6 × 9.6-inch footprint fits standard mATX chassis while delivering a feature set typically associated with larger boards, making it a capable platform for productivity builds, home-office workstations, and entry-level creative rigs alike. Memory support is a standout aspect of this board. Four DDR5 DIMM slots accommodate up to 192 GB of unbuffered DDR5 memory running at rated speeds up to DDR5-4800 and overclocked speeds up to DDR5-7600+ via AMD EXPO profiles. ASUS OptiMem II trace routing helps maintain signal integrity across the memory subsystem, and Die ECC support is available for non-ECC unbuffered modules. Storage options are well-considered. The primary M.2 slot (M.2_1) is CPU-connected and supports PCIe 5.0 x4 drives in 2242, 2260, and 2280 form factors, enabling next-generation NVMe performance. A second M.2 slot (M.2_2) runs through the B650 chipset at PCIe 4.0 x4, and four SATA 6 Gb/s ports add capacity for traditional drives or SSDs. Connectivity is comprehensive. Wireless is handled by a 2×2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) module covering 2.4 GHz and 5 GHz bands, paired with Bluetooth 5.2. Wired networking uses a Realtek 2.5 Gb Ethernet controller. The rear I/O provides eight USB ports — two USB 3.2 Gen 2 Type-A, two USB 3.2 Gen 1 Type-A, and four USB 2.0 Type-A — alongside DisplayPort 1.4 (up to 8K/60 Hz), HDMI 2.1 (up to 4K/60 Hz), a legacy VGA output, three audio jacks, a PS/2 combo port, and a BIOS FlashBack button for BIOS updates without a CPU or memory installed. Audio is handled by a Realtek HD CODEC delivering 7.1-channel surround sound with support for up to 24-bit/192 kHz playback. The implementation includes audio shielding, dedicated audio PCB layers, and premium capacitors to reduce noise. The board carries ASUS 5X Protection III safeguards, including DIGI+ VRM digital power control, LANGuard surge protection, overvoltage protection, SafeSlot Core+ reinforced PCIe slot, and stainless-steel back I/O ports. An onboard VRM heatsink with thermal pads improves MOSFET and choke heat dissipation. Five fan/pump headers — one CPU fan, one CPU OPT, and three chassis fan headers — are all 4-pin PWM/DC hybrid and configurable through Fan Xpert 2+ software or the UEFI BIOS. RGB personalisation is supported through one Aura RGB header and three Addressable Gen 2 headers, manageable via Armoury Crate with Aura Sync ecosystem support. Verified Specifications: Socket: AM5 | Chipset: AMD B650 | Form Factor: mATX (9.6 × 9.6 in / 24.4 × 24.4 cm) | Memory: 4× DDR5 DIMM, max 192 GB, DDR5-4800 to DDR5-7600+(OC), ECC & Non-ECC unbuffered, EXPO support | Storage: 1× M.2 PCIe 5.0 x4 (CPU), 1× M.2 PCIe 4.0 x4 (chipset), 4× SATA 6 Gb/s | Expansion: 1× PCIe 4.0 x16 (x16 mode, CPU), 2× PCIe 4.0 x16 (x1 mode, chipset) | Ethernet: Realtek 2.5 Gb | Wireless: Wi-Fi 6 (802.11ax) 2×2, Bluetooth 5.2 | Rear USB: 2× USB 3.2 Gen 2, 2× USB 3.2 Gen 1, 4× USB 2.0 | Display: 1× DisplayPort 1.4, 1× HDMI 2.1, 1× VGA | Audio: Realtek 7.1 HD, 24-bit/192 kHz | BIOS: 256 Mb Flash ROM, UEFI AMI | OS: Windows 11 / Windows 10 64-bit | Warranty: 3 years