ASUS Prime B650M-R DDR5 AMD Motherboard

The ASUS Prime B650M-R DDR5 is a micro-ATX motherboard built on the AMD B650 chipset and designed for AMD Ryzen 7000 and 8000 Series desktop processors using the AM5 socket. It is an accessible yet feature-rich foundation for a DDR5-based AMD build, balancing thoughtful cooling design, flexible storage options, and practical connectivity in a compact footprint. Memory support is a notable strength of this board. Two DIMM slots accommodate up to 96 GB of DDR5 memory with a dual-channel architecture, and native speeds start at DDR5-4800, scaling through certified profiles to DDR5-7200+ via overclocking. AMD EXPO profile support means compatible memory kits can be activated with a single BIOS toggle, and the OptiMem II trace layout helps maintain signal integrity at higher frequencies. Storage is covered by two PCIe 4.0 x4 M.2 slots — one fed by the CPU and one by the B650 chipset — each accepting 2242, 2260, and 2280 form factors. Theoretical bandwidth per slot reaches up to 64 Gbps. Four SATA 6Gb/s ports add conventional drive support, and AMD RAIDXpert2 enables RAID 0, 1, and 10 across both PCIe and SATA drives. The primary expansion slot is a PCIe 4.0 x16 slot operating at x16 mode with Ryzen 7000 processors (x8/x4 with Ryzen 8000), and a PCIe 4.0 x1 slot is also present. Rear I/O includes two USB 5Gbps Type-A ports, four USB 2.0 Type-A ports, a single HDMI 2.1 output supporting up to 4K at 60 Hz, a Realtek 2.5Gb Ethernet port, three audio jacks, and a BIOS FlashBack button for BIOS updates without a CPU or RAM installed. Front-panel headers add a USB 5Gbps Type-C connector, a USB 5Gbps header, and two USB 2.0 headers. Audio is handled by a Realtek HD codec delivering 7.1 surround sound output (with a compatible front-panel chassis), 24-bit/192 kHz playback, audio shielding, premium capacitors, and dedicated PCB layers. Three Addressable Gen 2 headers allow ARGB lighting expansion, synced via ASUS Aura Sync. Cooling management is provided by Fan Xpert 2+ software with Auto-Tuning and Extreme Quiet modes, complementing the onboard VRM heatsink and 2 oz copper PCB Stack Cool 3+ design. ASUS BIOS FlashBack enables CPU-free firmware updates, and the UEFI AMI BIOS (256 Mb Flash ROM) offers both an EZ Mode for quick setup and an Advanced Mode for granular tuning. ASUS 5X Protection III safeguards include DIGI+ VRM, LANGuard, Overvoltage Protection, Safeslot Core, and a Stainless-Steel Back I/O shield. Key Verified Specifications: - Form Factor: Micro-ATX - CPU Socket: AMD AM5 (Ryzen 7000 / 8000 Series) - Chipset: AMD B650 - Memory: 2 x DIMM, max 96 GB DDR5 (4800 native; up to 7200+ OC), Dual Channel, EXPO support - Storage: 2 x PCIe 4.0 x4 M.2 (2242/2260/2280); 4 x SATA 6Gb/s; RAID 0/1/10 - Expansion: 1 x PCIe 4.0 x16; 1 x PCIe 4.0 x1 - Ethernet: Realtek 2.5Gb - Audio: Realtek 7.1 HD, 24-bit/192 kHz - Display: 1 x HDMI 2.1 (4K@60Hz) - USB Rear: 2 x USB 5Gbps Type-A; 4 x USB 2.0 Type-A - ARGB: 3 x Addressable Gen 2 headers - BIOS: 256 Mb Flash ROM, UEFI AMI; BIOS FlashBack supported - Warranty: 3 Years - OS Support: Windows 11, Windows 10 64-bit