Motherboard - micro ATX - Socket AM5 - AMD B650 Chipset - USB 3.2 Gen 1, USB 3.2 Gen 2, USB-C 3.2 Gen 1 - 2.5 Gigabit LAN - onboard graphics (CPU required) - HD Audio (8-channel) - ASUS Corporate Stable Model (CSM)
| Main Specifications | |
|---|---|
| Product Description | ASUS PRIME B650M-A II-CSM - motherboard - micro ATX - Socket AM5 - AMD B650 |
| Product Type | Motherboard - micro ATX |
| Chipset Type | AMD B650 |
| Processor Socket | 1 x Socket AM5 |
| Compatible Processors | Ryzen (supports Ryzen 7000 Series) |
| Max RAM Size | 128 GB |
| RAM Supported | 4 DIMM slots - DDR5, non-ECC, ECC, on-die ECC, unbuffered |
| Storage Ports | 4 x SATA-600 (RAID), 2 x M.2 |
| USB / FireWire Ports | 2 x USB 3.2 Gen 2 + 2 x USB 3.2 Gen 1 + 4 x USB 2.0 + (1 x USB-C 3.2 Gen 1 + 2 x USB 3.2 Gen 1 + 4 x USB 2.0 via headers) |
| Audio | HD Audio (8-channel) |
| LAN | 2.5 Gigabit Ethernet |
| Pricing Type | ASUS Corporate Stable Model (CSM) |
| Manufacturer Warranty | 3-year warranty |
| General | |
| Product Type | Motherboard - micro ATX |
| Chipset Type | AMD B650 |
| Processor Socket | Socket AM5 |
| Max Processors Qty | 1 |
| Compatible Processors | Ryzen (supports Ryzen 7000 Series) |
| Expansion / Connectivity | |
| Expansion Slots | 1 x CPU ¦ 4 x DIMM 288-pin ¦ 1 x PCIe 4.0 x16 ¦ 2 x PCIe 4.0 x16 (x1 mode) ¦ 2 x M.2 socket (2242/2260/2280 M.2 Key M slot) |
| Storage Interfaces | SATA-600 -connectors: 4 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10 ¦ PCIe 5.0 -connectors: 1 x M.2 - RAID 0 / RAID 1 / RAID 10 ¦ PCIe 4.0 -connectors: 1 x M.2 - RAID 0 / RAID 1 / RAID 10 |
| RAID Features | AMD RAID Xpert2 Technology |
| Interfaces | 1 x HDMI ¦ 1 x DisplayPort ¦ 1 x VGA ¦ 2 x USB 3.2 Gen 2 ¦ 4 x USB 2.0 ¦ 1 x LAN (2.5Gigabit Ethernet) ¦ 2 x USB 3.2 Gen 1 |
| Internal Interfaces | 4 x USB 2.0 - header ¦ 2 x USB 3.2 Gen 1 - header ¦ 1 x USB-C 3.2 Gen 1 - header ¦ 1 x audio - header ¦ 1 x serial - header ¦ 1 x SPI - header ¦ 1 x SPDIF out - header |
| Power Connectors | 24-pin main power connector, 8-pin ATX12V connector |
| Manufacturer Warranty | |
| Service & Support | Limited warranty - 3 years |
| Miscellaneous | |
| Included Accessories | 1 x M.2 screw, IO shield |
| Cables Included | 2 x Serial ATA cable |
| Software Included | ASUS CPU-Z, ASUS AI Suite III, PC Cleaner, WinRAR, Norton AntiVirus (Trial), ASUS AURA Creator, ASUS Control Center Express, ASUS Fan Xpert 2+ |
| Compliant Standards | DisplayPort 1.4 |
| Width | 9.6 in |
| Depth | 9.6 in |
| Pricing Type | ASUS Corporate Stable Model (CSM) |
| Audio | |
| Type | HD Audio (8-channel) |
| Compliant Standards | High Definition Audio |
| Features | |
| BIOS Type | AMI |
| BIOS Features | UEFI BIOS, ASUS EZ Flash 3, ASUS UEFI BIOS EZ Mode |
| Sleep / Wake Up | Wake on LAN (WOL), wake on PME |
| Hardware Features | ASUS Q-Design, ASUS TurboV EVO, Q-DIMM, ASUS EZ DIY, Q-Slot, CrashFree BIOS 3, ASUS DIGI+ VRM, Preboot eXecution Environment (PXE), ASUS Stainless Steel Back I/O, LANGuard, 6 Layer PCB, overvoltage protection, ASUS 5X Protection III, ASUS Aura Sync, ASUS OptiMem II, ASUS SafeSlot Core+, DIY Friendly Design, Windows 11 compatible, Q-LED Core, VRM heatsink design, BIOS FlashBack button, BIOS FlashBack LED |
| LAN | |
| Network Interfaces | 2.5 Gigabit Ethernet |
| Supported RAM | |
| Max Size | 128 GB |
| Technology | DDR5 |
| Bus Clock | 5400 MHz (O.C.), 5600 MHz (O.C.), 5800 MHz (O.C.), 6000 MHz (O.C.), 4800 MHz, 6200 MHz (O.C.), 6400 MHz (O.C.), 5200 MHz, 5000 MHz |
| Supported RAM Integrity Check | Non-ECC, ECC, on-die ECC |
| Registered or Buffered | Unbuffered |
| Features | Dual channel memory architecture, AMD EXPO technology |