| SPECIFICATIONS | |
| Brand | ASUS |
| Series | PRIME Series |
| Model | PRIME B850M-K |
| CPU Support | Supports Ryzen 7000, 8000, 9000-Series Processors |
| Chipset | AMD B850 Chipset |
| Memory Support | |
| AMD B850 Chipset | 2x DIMM slots, max. 128GB, DDR5 Supports up to: |
| 8200 MT/s(OC) with Ryzen 9000 Series Processors, | |
| 8400 MT/s(OC) with Ryzen 8000 Series Processors, | |
| 8000 MT/s(OC) with Ryzen 7000 Series Processors, | |
| ECC and Non-ECC Un-buffered DIMM | |
| Dual channel memory architecture | |
| Supports AMD Extended Profiles for Overclocking (EXPO) | |
| ASUS Enhanced Memory Profile (AEMP) | |
| Video | |
| DisplayPort | 1x DisplayPort 1.4 Port, supporting a maximum resolution of 8K @ 30 Hz, supports HDCP & HDR |
| HDMI | 1x HDMI 2.1 (TMDS) Port, supporting a maximum resolution of 4K @ 60 Hz, supports HDCP & HDR |
| Integrated graphics required. Actual support may vary by CPU. | |
| Expansion Slots | |
| CPU Direct | 1x PCIe 5.0 x16 Slot (x16 Physical) |
| AMD B850 Chipset | 1x PCIe 4.0 x4 Slot (x16 Physical) |
| Slot Configurations | PCIE5 with Ryzen 8000 Phoenix 1 Processors support PCIe 4.0 x8 mode |
| PCIE5 with Ryzen 8000 Phoenix 2 Processors support PCIe 4.0 x4 mode | |
| Storage | |
| CPU Direct | M.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode) |
| M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) | |
| AMD B850 Chipset | 4x SATA 6Gbps connectors |
| Storage Configurations | Ryzen 9000-Series RAID 5 support for NVMe SSD storage devices |
| RAID 0, RAID 1, and RAID 10 support for NVMe SSD storage devices | |
| M.2_1 with Ryzen 8000 Phoenix 1 Processors support PCIe 4.0 x4/x2 SSDs | |
| M.2_1 with Ryzen 8000 Phoenix 2 Processors support PCIe 4.0 x4/x2 SSDs | |
| Please consult your motherboard manual for CPU support with SSDs in the M.2_2 slot. | |
| Networking | |
| LAN | Realtek 2.5 Gigabit Ethernet RJ-45 LAN Port |
| ASUS TUF LANGuard | |
| WiFi | N/A |
| Bluetooth | N/A |
| Audio | |
| Codec | Realtek ALC897 High-Definition Audio Codec |
| Supports Jack-detection, Multi-streaming, Front Panel Jack-retasking | |
| Supports up to 24-Bit/192 kHz playback | |
| Audio Shielding | |
| Premium audio capacitors | |
| Dedicated audio PCB layers | |
| Connectivity | |
| Ports | 2x USB 10Gbps Type-A Ports |
| 2x USB 5Gbps Type-A Port | |
| 4x USB 2.0 Type-A Ports | |
| 1x HDMI 2.1 (TMDS) Port | |
| 1x DisplayPort 1.4 Port | |
| 3x 3.5mm Audio Jacks | |
| 1x PS/2 Combo Port (Keyboard, Mouse) | |
| 1x Realtek 2.5 Gigabit Ethernet RJ-45 LAN Port | |
| Buttons | 1x BIOS FlashBack button |
| General | |
| Internal Connectors | 1x 4-pin CPU Fan header |
| 3x 4-pin Chassis Fan headers | |
| 1x 24-pin Main Power connector | |
| 1x 8-pin 12V CPU Power connector | |
| 2x M.2 slots (Key M) | |
| 4x SATA 6Gb/s ports | |
| 1x USB 5Gbps connector (supports USB Type-C ) | |
| 1x USB 5Gbps header supports 2 additional USB 5Gbps ports | |
| 2x USB 2.0 headers support 4 additional USB 2.0 ports | |
| 3x Addressable RGB Gen 2 headers | |
| 1x Clear CMOS header | |
| 1x COM Port header | |
| 1x Front Panel Audio header (F_AUDIO) | |
| 1x S/PDIF Out header | |
| 1x SPI TPM header (14-1 pin) | |
| 1x 10-1 pin System Panel header | |
| LEDs | Q-LED Core front panel status LED, BIOS Flashback LED |
| I/O Controller | N/A |
| BIOS | 1x 256 Mbit flash |
| Use of licensed AMI UEFI BIOS | |
| Form Factor | Micro-ATX Form Factor, 244 x 221 mm (H x W) |
| Operating System Support | Windows 11 64-bit |
| Boxed Accessories | 2x SATA 6Gb/s cables |
| 1x I/O Shield | |
| 1x M.2 rubber package | |
| 1x Screw package for M.2 SSD | |
| 1x Quick start guide | |
| Warranty Information | |
| Warranty | 3 Year Warranty |
| Manufacturer's Site | Visit the manufacturer's website |
|---|---|
| Product Link | Visit the manufacturer's page for this product |
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