ASUS PRIME B650-PLUS-CSM AM5 DDR5 ATX Motherboard
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Product description
ASUS PRIME B650-PLUS-CSM motherboard with an AM5 socket and DDR5 memory for ATX builds. The expansion, storage and connectivity options below help you check compatibility with your parts.
Key features:
- DDR5 support across 4 slots, up to 192GB.
- Memory speed: 7600+MT/s (OC); depends on the CPU, number of modules and the QVL.
- GPU expansion: Ryzen 9000/7000: 1× PCIe 4.0 x16 slot (x16 mode).
- Storage: 2 M.2 slots and 4× SATA 6Gbps.
- Wired network: 1× Realtek 2.5Gbps.
- USB-C: rear 1× Type-C USB 10Gbps; front via internal header 1× Type-C USB 5Gbps.
Technical Specifications
| Specification | Details |
|---|---|
| Socket | AM5 |
| Chipset | AMD B650 |
| Size | ATX (30.5 × 24.4 cm) |
| Memory Type | DDR5 |
| Memory Slots | 4 |
| Max Memory | 192GB |
| Max Memory Speed | 7600+MT/s (OC); depends on the CPU, number of modules and the QVL |
| PCIe Slots | Ryzen 9000/7000: 1× PCIe 4.0 x16 slot (x16 mode) Ryzen 8000: 1× PCIe 4.0 x16 slot (x8/x4 mode) 1× PCIe 4.0 x16 slot (x4 mode) 2× PCIe 4.0 x1 slots |
| M.2 Slots | 2 slots. Ryzen 9000/7000: M.2_1: PCIe 5.0 x4, 2242/2260/2280/22110 Ryzen 9000/7000: M.2_2: PCIe 4.0 x4, 2242/2260/2280/22110 Ryzen 8000: M.2_1: PCIe 4.0 x4, 2242/2260/2280 Ryzen 8000: M.2_2: PCIe 4.0 x4/x2, 2242/2260/2280/22110 |
| SATA Ports | 4× SATA 6Gbps |
| Wi-Fi | No built-in Wi-Fi |
| Bluetooth | No built-in Bluetooth |
| Ethernet | 1× Realtek 2.5Gbps |
| USB Ports | Rear: 8 (3× Type-A USB 10Gbps; 1× Type-C USB 10Gbps; 2× Type-A USB 5Gbps; 2× Type-A USB 2.0). Internal headers support up to 7 front ports (1× Type-C USB 5Gbps; 2× Type-A USB 5Gbps; 4× Type-A USB 2.0). |
| USB-C Ports | Rear: 1× Type-C USB 10Gbps. Front via internal header: 1× Type-C USB 5Gbps |
| Audio | Realtek 7.1-channel |
| BIOS Update Button | BIOS FlashBack |
| Supported CPUs | AMD Ryzen 7000 / 8000 / 9000; a BIOS version compatible with your CPU model is required |
| Memory Profiles & Compatibility | Dual Channel; EXPO |
| Display Outputs | 1× HDMI 2.1 up to 4K/60Hz; 1× DisplayPort 1.4 up to 8K/60Hz; CPU display outputs require integrated graphics |
| Power Connectors | 1× 24-pin ATX; 1× 8-pin CPU |
| Cooling Headers | 1× 4-pin CPU fan; 1× 4-pin CPU_OPT fan; 1× 4-pin AIO pump; 3× 4-pin chassis fan |
| Lighting Headers | 3× ARGB Gen 2; 1× RGB |
| Compatibility Notes | Listed memory speeds are overclocked (OC) and require a compatible CPU, memory and BIOS version. |
Front USB ports require a case or accessory with compatible connectors. Check the supported CPU and memory lists before installation.






