ASUS B550M-K Motherboards
- Prices from £66.64 to £73.99 at 2 shops
- No. 49 of 644 in PC components
- AMD AM4 Socket: Ready for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
- Ultrafast Connectivity: PCIe 4.0, dual M.2 slots, Realtek 1Gb Ethernet, rear USB 3.2 Gen 1 ports and front USB 3.2 Gen 1 Type-C®
- Comprehensive Cooling: PCH heatsink, hybrid fan headers and Fan Xpert 2+
- Aura Sync RGB Lighting: Onboard Addressable Gen 2 headers for RGB LED strips, easily synced with Aura Sync-capable hardware
Variant: B550M-K
Up to £7.35 cheaper than the most expensive shop
We have only just started recording this price. After two weeks we will show here whether the current price is a good one.
2 offers compared
Sorted by total price including delivery-
£66.64Go to shop: PCHUB.UK -
£73.99Go to shop: Tesco Stores
Prices include VAT, last checked 9 October at 00:55. Prices may have changed since. Advertising: some shops pay Pricuro a commission when you buy through a link. Offers are ordered by total price only; used and refurbished offers come last.
Price history
- Now
- £66.64
- Lowest
- £64.38
- Average
- £65.36
- Highest
- £66.64
Product details
| Brand | Asus |
|---|---|
| Category | PC components |
| Barcode (EAN) | 4711387316030 |
| Shops compared | 2 |
| Price range | £66.64 – £73.99 |
| On Pricuro since | 3 October 2026 |
Processor
2
| Processor manufacturer | AMD |
|---|---|
| Processor socket | Socket AM4 |
Memory
7
| Supported memory types | DDR4-SDRAM |
|---|---|
| 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 |
Storage controllers
5
| Supported storage drive types | HDD & SSD |
|---|---|
| Supported storage drive interfaces | M.2 |
| Number of storage drives supported | 6 |
| RAID support | Yes |
| RAID levels | 0, 1, 10 |
Internal I/O
13
| USB 2.0 connectors | 2 |
|---|---|
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 4 |
| S/PDIF out connector | Yes |
| Front panel audio connector | Yes |
| Front panel connector | Yes |
| ATX Power connector (24-pin) | Yes |
| CPU fan connector | Yes |
| Number of chassis fan connectors | 2 |
| Number of COM connectors | 1 |
| TPM connector | Yes |
| 12V power connector | Yes |
| RGB LED pin header | Yes |
Rear panel I/O ports
11
| USB 2.0 ports quantity | 2 |
|---|---|
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| PS/2 ports quantity | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| Headphone outputs | 1 |
| Line-in | Yes |
| Microphone in | Yes |
Network
5
| Ethernet LAN | Yes |
|---|---|
| Ethernet interface type | Gigabit Ethernet |
| Wake-on-LAN ready | Yes |
| Wi-Fi | No |
| Top Wi-Fi standard | Not available |
Features
6
| Motherboard chipset | AMD B550 |
|---|---|
| Audio output channels | 7.1 channels |
| Component for | PC |
| Motherboard form factor | micro ATX |
| Motherboard chipset family | AMD |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
Expansion slots
4
| PCI Express x1 (Gen 3.x) slots | 1 |
|---|---|
| PCI Express x16 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| Number of M.2 (M) slots | 2 |
BIOS
3
| BIOS type | EFI AMI |
|---|---|
| BIOS memory size | 128 Mbit |
| Clear CMOS jumper | Yes |
Packaging data
4
| Package width | 260 mm |
|---|---|
| Package depth | 270 mm |
| Package height | 515 mm |
| Package weight | 960 g |
Weight & dimensions
3
| Width | 244 mm |
|---|---|
| Depth | 221 mm |
| Height | 36.5 mm |
Packaging content
1
| Cables included | SATA |
|---|
Other features
1
| Weight | 460 g |
|---|
Manufacturer data: Open Icecat
Product description
ASUS PRIME series is expertly engineered to unleash the full potential of 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, PRIME B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.
FLEXIBILITY
Comprehensive controls form the foundation of the ASUS PRIME series. The PRIME B550 motherboard packs flexible tools to tune every aspect of your system, enabling performance tweaks…
Read more
ASUS PRIME series is expertly engineered to unleash the full potential of 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, PRIME B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.
FLEXIBILITY
Comprehensive controls form the foundation of the ASUS PRIME series. The PRIME B550 motherboard packs flexible tools to tune every aspect of your system, enabling performance tweaks to perfectly match the way you work to maximize productivity.
All-Around Energy Efficiency
With the Energy Processing Unit (EPU), you‘ll enjoy system-wide power savings.The EPU automatically optimizes power consumption and maximizes savings with Away mode.
COOLING
PRIME B550 series are engineered with an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.
Cooler by Design
PRIME B550 series feature comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS.
Multiple Temperature Sources
Each header can dynamically reference three thermal sensors. Fan Xpert 2+ allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks.
PERFORMANCE
PRIME B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible data transfer options.
Dual M.2 Slots (up to 64 Gbps)
PRIME B550M-K ARGB offers a total of two M.2 slots, one of which supports data-transfer speeds of up to 64Gbps via PCIe 4.0, enabling quicker boot-up and app load times with OS or application drives.
FLEXIBILITY
Comprehensive controls form the foundation of the ASUS PRIME series. The PRIME B550 motherboard packs flexible tools to tune every aspect of your system, enabling performance tweaks to perfectly match the way you work to maximize productivity.
Intelligent Control
All-Around Energy Efficiency
With the Energy Processing Unit (EPU), you‘ll enjoy system-wide power savings.The EPU automatically optimizes power consumption and maximizes savings with Away mode.
COOLING
PRIME B550 series are engineered with an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.
Cooler by Design
PRIME B550 series feature comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS.
PRIME B550 series are engineered with an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.
Multiple Temperature Sources
Each header can dynamically reference three thermal sensors. Fan Xpert 2+ allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks.
PERFORMANCE
PRIME B55
Frequently asked questions
Where is ASUS B550M-K Motherboards cheapest?
Right now at PCHUB.UK for £66.64. We compare 2 offers.
How much does ASUS B550M-K Motherboards cost?
Prices range from £66.64 to £73.99. Over the last 90 days it cost £65.36 on average.
Is now a good time to buy ASUS B550M-K Motherboards?
Building the price history. We have only just started recording this price. After two weeks we will show here whether the current price is a good one.
Is ASUS B550M-K Motherboards in stock?
Yes, 2 shops list it as in stock.
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