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| Model | | PRIME B650M-K | | | | | | | |
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| CPU | | AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors* | |
| | * Refer to www.asus.com for CPU support list. | | | | |
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| Chipset | | AMD B650 Chipset | | | | | | | |
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| Memory | | 2 x DIMM, Max. 96GB, DDR5 8000+(OC)/7800(OC)/7600(OC)/7200(OC)/7000(OC)/6800(OC)/6600(OC)/6400(OC)/6200(OC)/6000(OC)/5800(OC)/5600(OC)/5400(OC)/5200/5000/4800 |
| | ECC and Non-ECC, Un-buffered Memory* | | | | | |
| | Dual Channel Memory Architecture | | | | | |
| | Supports AMD Extended Profiles for Overclocking (EXPO™) | | | |
| | OptiMem II | | | | | | | |
| | * Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/. |
| | * Non-ECC, Un-buffered DDR5 Memory supports On-Die ECC function. | | |
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| Graphics | | 1 x VGA port | | | | | | | |
| | 1 x HDMI™ port** | | | | | | | |
| | * Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications. |
| | ** Supports 4K@60Hz as specified in HDMI 2.1. | | | | |
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| Expansion Slots | | AMD Ryzen™ 9000 & 7000 Series Desktop Processors* | | | |
| | 1 x PCIe 4.0 x16 slot (supports x16 mode) | | | | | |
| | AMD Ryzen™ 8000 Series Desktop Processors | | | | |
| | 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)** | | | | |
| | AMD B650 Chipset | | | | | | | |
| | 2 x PCIe 4.0 x1 slots | | | | | | | |
| | * Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/). |
| | ** Specifications vary by CPU types. | | | | | |
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| Storage | | Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports* | | | |
| | AMD Ryzen™ 9000 & 7000 Series Desktop Processors | | | | |
| | M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode) | | |
| | M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) | | |
| | AMD Ryzen™ 8000 Series Desktop Processors | | | | |
| | M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) | | |
| | M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4/x2 mode)** | | |
| | AMD B650 Chipset | | | | | | | |
| | 4 x SATA 6Gb/s ports | | | | | | | |
| | * AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10. | |
| | ** Specifications vary by CPU types. | | | | | |
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| Ethernet | | 1 x Realtek 2.5Gb Ethernet | | | | | | |
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| USB | | Rear USB (Total 8 ports) | | | | | | |
| | 2 x USB 3.2 Gen 2 ports (2 x Type-A) | | | | | |
| | 2 x USB 3.2 Gen 1 ports (2 x Type-A) | | | | | |
| | 4 x USB 2.0 ports (4 x Type-A) | | | | | | |
| | Front USB (Total 7 ports) | | | | | | |
| | 1 x USB 3.2 Gen 1 connector (supports USB Type-C®) | | | | |
| | 1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports | | |
| | 2 x USB 2.0 headers support 4 additional USB 2.0 ports | | | |
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| Audio | | Realtek 7.1 Surround Sound High Definition Audio CODEC* | | | |
| | – Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking | | |
| | – Supports up to 24-Bit/192 kHz playback | | | | | |
| | Audio Features | | | | | | | |
| | – Audio Shielding | | | | | | | |
| | – Premium audio capacitors | | | | | | |
| | – Dedicated audio PCB layers | | | | | | |
| | * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. |
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| Back Panel I/O Ports | | 2 x USB 3.2 Gen 2 ports (2 x Type-A) | | | | | |
| | 2 x USB 3.2 Gen 1 ports (2 x Type-A) | | | | | |
| | 4 x USB 2.0 ports (4 x Type-A) | | | | | | |
| | 1 x VGA port | | | | | | | |
| | 1 x HDMI™ port | | | | | | | |
| | 1 x Realtek 2.5Gb Ethernet port | | | | | | |
| | 3 x Audio jacks | | | | | | | |
| | 1 x BIOS FlashBack™ button | | | | | | |
| | 1 x PS/2 Keyboard/Mouse combo port | | | | | |
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| Internal I/O Connectors | | Fan and Cooling related | | | | | | |
| | 1 x 4-pin CPU Fan header | | | | | | |
| | 2 x 4-pin Chassis Fan headers | | | | | | |
| | Power related | | | | | | | |
| | 1 x 24-pin Main Power connector | | | | | |
| | 1 x 8-pin +12V Power connector | | | | | | |
| | Storage related | | | | | | | |
| | 2 x M.2 slots (Key M) | | | | | | | |
| | 4 x SATA 6Gb/s ports | | | | | | | |
| | USB | | | | | | | | |
| | 1 x USB 3.2 Gen 1 connector (supports USB Type-C® ) | | | | |
| | 1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports | | |
| | 2 x USB 2.0 headers support 4 additional USB 2.0 ports | | | |
| | Miscellaneous | | | | | | | |
| | 2 x Addressable Gen 2 headers | | | | | | |
| | 1 x Aura RGB header | | | | | | | |
| | 1 x Clear CMOS header | | | | | | |
| | 1 x COM Port header | | | | | | | |
| | 1 x Front Panel Audio header (AAFP) | | | | | |
| | 1 x S/PDIF Out header | | | | | | |
| | 1 x Speaker header | | | | | | | |
| | 1 x SPI TPM header (14-1pin) | | | | | | |
| | 1 x 10-1 pin System Panel header | | | | | |
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| Special Features | | ASUS 5X PROTECTION III | | | | | | |
| | – DIGI+ VRM | | | | | | | |
| | – LANGuard | | | | | | | |
| | – Overvoltage Protection | | | | | | |
| | – Safeslot Core+ | | | | | | | |
| | – Stainless-Steel Back I/O | | | | | | |
| | ASUS Q-Design | | | | | | | |
| | – Q-DIMM | | | | | | | |
| | – Q-LED Core | | | | | | | |
| | – Q-Slot | | | | | | | | |
| | ASUS Thermal Solution | | | | | | |
| | – M.2 heatsink | | | | | | | |
| | – VRM heatsink design | | | | | | |
| | ASUS EZ DIY | | | | | | | |
| | – BIOS FlashBack™ button | | | | | | |
| | – BIOS FlashBack™ LED | | | | | | |
| | Aura Sync | | | | | | | | |
| | – Aura RGB header | | | | | | | |
| | – Addressable Gen 2 headers | | | | | | |
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| BIOS | | 256 Mb Flash ROM, UEFI AMI BIOS | | | | | |
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| Manageability | | WOL by PME, PXE | | | | | | | |
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| Accessories | | Cables | | | | | | | | |
| | 2 x SATA 6Gb/s cables | | | | | | |
| | Miscellaneous | | | | | | | |
| | 1 x I/O Shield | | | | | | | |
| | 1 x M.2 Rubber Package | | | | | | |
| | 1 x Screw Package for M.2 SSD | | | | | | |
| | Documentation | | | | | | | |
| | 1 x User guide | | | | | | | |
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| Operating System | | Windows® 11, Windows® 10 64-bit | | | | | |
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| Form Factor | | | | | | | | | | |
| | micro-ATX Form Factor | | | | | | |
| | 9.6 inch x 8.7 inch ( 24.4 cm x 22.1 cm ) | | | | | |
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