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Description
PRIME B850M-K Gaming AMD AM5 (Ryzen 9000, DDR5, 2x M.2, PCIe 5.0, BIOS Flashback, Aura Sync)
ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B850M-K motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.
Description
B850M-KASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B850M-K motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.
Specifications
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 0 |
| Front panel connector | Yes |
| 12V power connector | Yes |
| Supported storage drive interfaces | M.2, SATA III |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| TPM connector | Yes |
| S/PDIF out connector | Yes |
| Number of SATA III connectors | 4 |
| Number of COM connectors | 1 |
| Number of chassis fan connectors | 3 |
| Front panel audio connector | Yes |
| EPS power connector (8-pin) | Yes |
| CPU fan connector | Yes |
| ATX Power connector (24-pin) | Yes |
| RGB LED pin header | Yes |
| Number of CPU fan connectors | 1 |
| Technical details | |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Supported processor sockets | Socket AM5 |
| Parallel processing technology support | Not supported |
| Cooling type | Passive |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| RAID levels | 0, 1, 5, 10 |
| Supported processor sockets | Socket AM5 |
| Cooling type | Passive |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Supported processor sockets | Socket AM5 |
| Processor socket | Socket AM5 |
| Memory | |
| Number of memory slots | 2 |
| Memory slots type | DIMM |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
| ECC сompatibility | ECC & Non-ECC |
| Storage controllers | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| RAID levels | 0, 1, 5, 10 |
| Number of storage drives supported | 6 |
| RAID support | Yes |
| Graphics | |
| Parallel processing technology support | Not supported |
| Rear panel I/O ports | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 0 |
| USB 2.0 ports quantity | 4 |
| VGA (D-Sub) ports quantity | 0 |
| PS/2 ports quantity | 1 |
| Microphone in | Yes |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| DVI-D ports quantity | 0 |
| DisplayPorts quantity | 1 |
| Line-in | Yes |
| Network | |
| Ethernet LAN | Yes |
| Wi-Fi | No |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Features | |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Supported processor sockets | Socket AM5 |
| Cooling type | Passive |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Product colour | Black |
| Expansion slots | |
| Number of M.2 (M) slots | 2 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| 1st M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 largest key size | 2280 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Packaging data | |
| Package width | 564 mm |
| Package depth | 288 mm |
| Package height | 297 mm |
| Package weight | 1.07 kg |
| Software | |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Weight & dimensions | |
| Package width | 564 mm |
| Package depth | 288 mm |
| Package height | 297 mm |
| Package weight | 1.07 kg |
| Width | 244 mm |
| Depth | 221 mm |
| Packaging content | |
| Cables included | SATA |
| Screws included | Yes |
| Other features | |
| Package width | 564 mm |
| Package depth | 288 mm |
| Package height | 297 mm |
| Package weight | 1.07 kg |