ASUS PRIME B550M-K ARGB AMD B550 Socket AM4 microATX
Original price was: £86.39.£81.59Current price is: £81.59.
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About This Item
- AMD B550 chipset for Socket AM4 Ryzen processors
- Dual M.2 slots including PCIe 4.0 support up to 64 Gbps
- Support for up to 64 GB DDR4 memory via dual-channel architecture
- Comprehensive cooling with multiple fan headers and Fan Xpert 2+ control
- 7.1 channel HD audio with premium shielding and dedicated PCB layers
- micro ATX form factor with HDMI 2.1 and DisplayPort 1.4 outputs
- USB 3.2 Gen 1 and SATA III connectivity with RAID 0/1/10 support
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ASUS PRIME B550M-K ARGB | AMD B550 mATX Board
The ASUS PRIME B550M-K ARGB AMD B550 Socket AM4 micro ATX motherboard is engineered for users building a compact, high-performance PC. It supports AMD Ryzen 5000, 4000 G-Series, and 3000 Series processors. This board offers essential features for a stable and efficient build.
Specification Overview
| Metric | Spec. |
|---|---|
| Socket | Socket AM4 |
| Chipset | AMD B550 |
| Form Factor | micro ATX |
| Memory | 2 x DDR4 slots, up to 64 GB |
| M.2 Slots | 2 (1x PCIe 4.0) |
| Video Output | 1x HDMI 2.1, 1x DP 1.4 |
Dual M.2 Storage Speeds
This board features two M.2 slots for fast storage. One slot supports PCIe 4.0 speeds up to 64 Gbps. This allows for rapid boot times and quick application loading. It supports both HDDs and SSDs.
Efficient Cooling Controls
Keep your system stable with comprehensive cooling options. The board has multiple hybrid fan headers. You can configure these via Fan Xpert 2+ software or the UEFI BIOS. It references thermal sensors to adjust fan speeds dynamically.
Energy Processing Unit (EPU)
The integrated EPU provides system-wide power savings. It automatically optimises power consumption. An “Away mode” helps maximise savings when the PC is idle. This supports energy efficiency without manual tweaking.
Customisation and Audio
Customise your build with intuitive RGB lighting controls. The board includes an RGB LED pin header. Audio is enhanced with shielding and dedicated PCB layers. Premium capacitors deliver clear, immersive sound for daily use.
Box contents
- ASUS PRIME B550M-K ARGB Motherboard
- 2 x SATA 6Gb/s cables
- 1 x I/O Shield
- 1 x M.2 Screw Package
- 1 x Support DVD
- User manual
Things to check first
- Confirm your CPU is compatible with the AMD AM4 socket.
- Verify your case fits a micro ATX (244 x 221 mm) board.
- Check you have the required PSU connectors (24-pin ATX, 12V).
- Confirm your memory is DDR4-SDRAM.
Frequently Asked Questions
Does this board support PCIe 4.0?
How many case fans can I connect?
Is there a BIOS flash button?
What video outputs are available?
Summary & warranty
This motherboard is ideal for budget-conscious builders and office users needing a reliable AMD platform. It suits those using a compact case who still want PCIe 4.0 storage speeds. It balances performance and value effectively. Covered by the applicable manufacturer warranty.
| Number of M.2 M slots | 2 |
|---|---|
| Front panel connector | Yes |
| 12V power connector | Yes |
| Supported storage drive interfaces | M.2 |
| 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 | 2 |
| Front panel audio connector | Yes |
| CPU fan connector | Yes |
| ATX Power connector 24-pin | Yes |
| RGB LED pin header | Yes |
| Motherboard chipset family | AMD |
| Component for | PC |
| Audio output channels | 7.1 channels |
| Supported storage drive types | HDD & SSD |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| RAID levels | 1, 10 |
| Processor manufacturer | AMD |
| Processor socket | Socket AM4 |
| Number of memory slots | 2 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| Supported memory clock speeds | 2133,2400,2666,2800,2933,3000,3200,3333,3400,3466,3600,3733,3866,4000,4133,4200,4266,4333,4400,4466,4600,4866,5100 MHz |
| Maximum internal memory | 64 GB |
| Unbuffered memory | Yes |
| RAID support | Yes |
| USB 3.2 Gen 1 3.1 Gen 1 Type-A ports quantity | 4 |
| DisplayPort version | 1.4 |
| USB 2.0 ports quantity | 2 |
| PS/2 ports quantity | 1 |
| Microphone in | Yes |
| Headphone outputs | 1 |
| HDMI ports quantity | 1 |
| Ethernet LAN RJ-45 ports | 1 |
| DisplayPorts quantity | 1 |
| Line-in | Yes |
| Wake-on-LAN ready | Yes |
| PCI Express x1 Gen 3.x slots | 1 |
| PCI Express x16 Gen 3.x slots | 1 |
| PCI Express x16 Gen 4.x slots | 1 |
| BIOS type | EFI AMI |
| Clear CMOS jumper | Yes |
| BIOS memory size | 128 Mbit |
| Package width | 260 mm |
| Package depth | 270 mm |
| Package height | 515 mm |
| Package weight | 960 g |
| Height | 36.5 mm |
| Weight | 460 g |
| Width | 244 mm |
| Depth | 221 mm |
| Cables included | SATA |
| Distributor SKUs | MBD-90MB1GC0-M0EAY0, 9824527, 127733, W128599242, 492375, STD10228688, M2MMBD-90MB1GC0-M0EAY0 |
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