ASUS PRIME B550-PLUS AMD B550 Socket AM4 ATX
Product Technical Specification
| Processor | |
| Processor manufacturer | AMD |
| Processor socket | Socket AM4 |
| Compatible processor series | AMD Ryzen 3 3rd Gen,AMD Ryzen 5 3rd Gen,AMD Ryzen 7 3rd Gen,AMD Ryzen 9 3rd Gen |
| Memory | |
| Supported memory types | DDR4-SDRAM |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Supported memory clock speeds | 2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 |
| Maximum internal memory | 128 |
| Storage controllers | |
| Supported storage drive interfaces | M.2,SATA |
| Graphics | |
| Parallel processing technology support | 2-Way CrossFireX |
| Internal I/O | |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| Rear panel I/O ports | |
| USB 2.0 ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 1 |
| Network | |
| Ethernet LAN | Yes |
| LAN controller | Realtek RTL8111H |
| Wi-Fi | No |
| Features | |
| Motherboard chipset | AMD B550 |
| Motherboard form factor | ATX |
| Motherboard chipset family | AMD |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 |
Delivery Options
Economy Delivery (UK)
Fast & Tracked by Courier (UK)
ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation 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.
Tune It Your Way
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 you to tweak performance settings to perfectly match the way you work – maximizing your productivity.
Cool to the Core
Prime B550 series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.
VRM Heatsink and Thermal Pads
Two massive VRM heatsinks with underneath thermal pads improve heat transfer from the MOSFETs and chokes for better cooling performance.
Build on a Solid Foundation
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 transfer options.
PCIe 4.0 M.2
(up to 64 Gbps)
Achieve Speed With Onboard M.2
PCIe 4.0 M.2 Slot supports up to 22110 and provide NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with up to 64Gbps PCIe 4.0 storage device to enjoy the fastest data-transfer speeds on the 3rd Generation AMD Ryzen platform.
Little Things Make a Big Difference
Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look.
Outstanding Audio
Combined onboard features deliver elevated audio
Intelligent design and premium hardware create audio quality unlike anything you've ever experienced.
| Processor | |
| Processor manufacturer | AMD |
| Processor socket | Socket AM4 |
| Compatible processor series | AMD Ryzen 3 3rd Gen,AMD Ryzen 5 3rd Gen,AMD Ryzen 7 3rd Gen,AMD Ryzen 9 3rd Gen |
| Memory | |
| Supported memory types | DDR4-SDRAM |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Supported memory clock speeds | 2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 |
| Maximum internal memory | 128 |
| Storage controllers | |
| Supported storage drive interfaces | M.2,SATA |
| Graphics | |
| Parallel processing technology support | 2-Way CrossFireX |
| Internal I/O | |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| Rear panel I/O ports | |
| USB 2.0 ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 1 |
| Network | |
| Ethernet LAN | Yes |
| LAN controller | Realtek RTL8111H |
| Wi-Fi | No |
| Features | |
| Motherboard chipset | AMD B550 |
| Motherboard form factor | ATX |
| Motherboard chipset family | AMD |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 |
Buykingston order despatch times:
We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.
These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).
We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.
Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.
Despatch times do not apply to UK public holidays.
Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.
Our warehouse reserves the right to upgrade the delivery method you select on your order.
Our available delivery options*
Contact us for a shipping quote.
*All delivery times are estimated unless stated.
Product Returns Note
Buykingston offers a simple, hassle-free returns policy. If for whatever
reason you are not happy with the item purchased, you can return it to us
within 14 days of receipt for a refund. This applies to items purchased
direct through Buykingston only.
Our 14 Day Returns Money Back Guarantee:
For items returned in resaleable condition, with all original packaging. If
an item has been opened for inspection but shows signs of use beyond that, a
deduction may apply to reflect the reduced value — see our full
Terms & Conditions
(Section 12) for details.
Some items are excluded from our money-back guarantee unless they have developed a fault. These include:
- Headphones
- Earphones
- Custom made and designed products, such as flash memory products with
custom logos on them, e.g. USB flash drives and memory cards with your own
logo
Returns FAQs
What is your returns criteria?
14 days from date of receipt, or expected date of receipt on non-tracked
items.
How do I go about returning my order?
Please contact us
via our contact page with your order number. We will provide you with an RMA
number and return instructions, including your return deadline and whether a
freepost label applies to your order.
Do I need to contact you before returning my order?
Yes, to obtain an RMA number before sending anything back.
Does my item have to include its original packaging?
Yes, to qualify for our 14 day money-back guarantee. For faulty items, we
understand you may no longer have the original packaging.
Who pays for return postage?
If your item is faulty, damaged, or not as described, we cover reasonable
return postage, or provide a freepost label where available. If you are
returning an item for another reason (including simply changing your mind),
you are responsible for return postage unless we have expressly confirmed a
freepost label in your RMA email — we recommend using a tracked and
insured service for items of significant value.
Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer
directly for assistance.
Please ensure you have read and comply in full with Sections 11–13 of our Terms & Conditions.