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AMD B550 (Ryzen AM4) mATX motherboard with dual M.2 slots, PCIe 4.0, Realtek 1Gb Ethernet, DisplayPort/HDMI, SATA 6 Gbps, rear USB 3.2 Gen 1 ports, front USB 3.2 Gen 1 Type-Cand Aura Sync
Specification:
| Model | PRIME B550M-K ARGB |
| News & Updates | Socket AM4 |
| CPU | AMD Socket AM4 for AMD Ryzen5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors* |
| * Refer towww.asus.comfor CPU support list. | |
| Chipset | AMD B550 Chipset |
| Memory | 2 x DIMM slots, Max. 64GB, DDR4 5100(OC)/4866(OC)/4600(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133, Un-buffered Memory* |
| Dual Channel Memory Architecture | |
| * ECC memory (ECC mode) support varies by CPU. | |
| * 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 visithttps://www.asus.com/support/. | |
| Graphics | 1 x DisplayPort** |
| 1 x HDMIport*** | |
| * Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications. | |
| ** Supports max. 4K@60Hz as specified in DisplayPort 1.4. | |
| *** Supports 4K@60Hz as specified in HDMI 2.1. | |
| Expansion Slots | AMD Ryzen5000 Series/ 3000 Series Desktop Processors |
| 1 x PCIe 4.0 x16 slot (supports x16 mode) | |
| AMD Ryzen5000 G-Series/ 4000 G-Series Desktop Processors | |
| 1 x PCIe 3.0 x16 slot (supports x16 mode) | |
| AMD B550 Chipset | |
| 1 x PCIe 3.0 x1 slot | |
| * Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/). | |
| – To ensure compatibility of the device installed, please refer tohttps://www.asus.com/support/for the list of supported peripherals. | |
| Storage | Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports* |
| AMD Ryzen5000 Series/ 3000 Series Desktop Processors | |
| M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 & SATA modes) | |
| AMD Ryzen5000 G-Series/ 4000 G-Series Desktop Processors | |
| M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes) | |
| AMD B550 Chipset | |
| M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes) | |
| 4 x SATA 6Gb/s ports | |
| * AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10. | |
| Ethernet | 1 x Realtek 1Gb Ethernet |
| USB | Rear USB (Total 6 ports) |
| 4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A) | |
| 2 x USB 2.0 ports (2 x Type-A) | |
| Front USB (Total 7 ports) | |
| 1 x USB 3.2 Gen 1 (5G) connector (supports USB Type-C) | |
| 1 x USB 3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports | |
| 2 x USB 2.0 headers support 4 additional USB 2.0 ports | |
| 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. | |
| Back Panel I/O Ports | 4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A) |
| 2 x USB 2.0 ports (2 x Type-A) | |
| 1 x DisplayPort | |
| 1 x HDMIport | |
| 1 x Realtek 1Gb Ethernet port | |
| 3 x Audio jacks | |
| 1 x PS/2 Keyboard/Mouse combo port | |
| 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 (5G) connector (supports USB Type-C) | |
| 1 x USB 3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports | |
| 2 x USB 2.0 headers support 4 additional USB 2.0 ports | |
| Miscellaneous | |
| 3 x Addressable Gen 2 headers | |
| 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 (14-1 pin) | |
| 1 x 10-1 pin System Panel header | |
| 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 | |
| – Aluminum heatsink design | |
| Aura Sync | |
| – Addressable Gen 2 headers | |
| Software Features | ASUS Exclusive Software |
| Armoury Crate | |
| – Aura Creator | |
| – Aura Sync | |
| AI Suite 3 | |
| – Performance And Power Saving Utility | |
| TurboV EVO | |
| EPU | |
| DIGI+ VRM | |
| Fan Xpert 2+ | |
| – EZ update | |
| ASUS CPU-Z | |
| Norton 360 Deluxe (60 Days Free Trial) | |
| WinRAR | |
| UEFI BIOS | |
| ASUS EZ DIY | |
| – ASUS CrashFree BIOS 3 | |
| – ASUS EZ Flash 3 | |
| – ASUS UEFI BIOS EZ Mode | |
| BIOS | 128 Mb Flash ROM, UEFI AMI BIOS |
| Manageability | WOL by PME, PXE |
| Accessories | Cables |
| 2 x SATA 6Gb/s cables | |
| Miscellaneous | |
| 1 x I/O Shield | |
| 1 x Screw package for M.2 SSD | |
| Documentation | |
| 1 x User guide | |
| Operating System | Windows11, Windows10 64-bit |
| Form Factor | micro-ATX Form Factor |
| 9.6 inch x 8.7 inch ( 24.4 cm x 22.1 cm ) |
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