The ASUS PRIME B650M-R is a micro-ATX motherboard for building or upgrading a desktop PC with AMD Socket AM5 and the B650 chipset. It supports AMD Ryzen 9000, 8000 and 7000 Series desktop processors.
Two DDR5 DIMM slots support dual-channel memory and up to 96 GB. For add-in cards, there is one PCIe 4.0 x16 slot and one PCIe 4.0 x1 slot. The x16 slot runs in x16 mode with Ryzen 9000 and 7000 Series processors; with Ryzen 8000 Series processors, it operates in x8 or x4 mode.
The board has two M.2 Key M slots for 2242, 2260 or 2280 drives, supporting PCIe 4.0 x4, plus four SATA 6 Gb/s ports. Rear connections include HDMI, Realtek 2.5 Gb Ethernet, USB Type-A ports and three audio jacks. Its 23.6 × 22.1 cm size suits a micro-ATX build.
Package contents: two SATA cables, an I/O shield and two M.2 anchors.