ASUS Prime B550M-K is expertly engineered to unleash the full potential of the 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions, and intelligent tuning options, the Prime B550M-K motherboard provides daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features. The same is fully secured and protected by ASUS 5X Protection III.
Specifications:
General
| Chipset | AMD B550 |
| CPU Socket | AM4 |
Back Panel I/O
| USB | 2 x USB 3.2 Gen 2x2 Type-A 4 x USB 3.1 / USB 3.2 Gen 1 Type-A |
| Thunderbolt | None |
| Display | 1 x HDMI 2.1 1 x DVI-D 1 x VGA |
| Audio | 3 x 3.5 mm |
| Ethernet / Controller | 1 x Realtek RTL8111H Gigabit |
| PS/2 | 1 x Combo |
Memory
| Memory Slots | 4 x 288-Pin |
| Memory Support | DDR4 2133, 2400, 2666, 2800, 3000, 3200, 3333, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4466, 4600, 4800 MHz |
| Maximum Capacity | 128 GB |
| Channel Architecture | Dual-Channel |
| ECC Support | Non-ECC, ECC Unbuffered |
Storage Expansion
| SATA | 4 x SATA III |
| M.2 | 1 x M Key 2242, 2260, 2280, 22110 (PCIe 4.0 x4, SATA (Unspecified)) 1 x M Key 2242, 2260, 2280 (PCIe 3.0 x4, SATA (Unspecified)) |
| U.2 | None |
| RAID Support | RAID 0, 1, 10 |
Internal I/O
| Expansion Slots | 1 x PCIe 4.0 x16 2 x PCIe 3.0 x1 |
| USB | 1 x USB 3.1 / USB 3.2 Gen 1 Header (Supports 2 USB Type-A Port) 2 x USB 2.0 Header (Supports 4 USB Type-A Port) |
| Multi-GPU Support | None |
| Air Cooling | 1 x 4-Pin CPU 2 x 4-Pin System |
| Power Connectors | 1 x 24-Pin Mainboard 1 x 8-Pin ATX |
| Security | TPM Module |
| Audio | 1 x Speaker 1 x S/PDIF |
| Diagnostics | Clear CMOS |
| Legacy | 1 x Serial |
BIOS
| ROM | 256 Mb |
Front Panel I/O
| I/O Connection Headers | AAFP, USB 3.1 / USB 3.2 Gen 1 |
Audio
| Audio Codec | Realtek ALC887 (7.1-Channel) |
Software
| Supported Operating Systems | Windows 10 (64-Bit) |
Physical
| Form Factor | Micro-ATX |
| Dimensions | 9.61 x 9.61" / 24.4 x 24.4Â cm |
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