ASUS PRIME B550-PLUS ATX Motherboard | AM4 | 4x DDR4 Slots

Sku: 90MB14U0-M0EAY0
Availability: In Stock
Brand: ASUS
Category: Motherboards
Regular price £122.34
Regular price Sale Price £122.34

KEY FEATURES

  • AMD AM4 socket: Ready for 3rd Gen AMD Ryzen™ Processors
  • Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A and Type-C
  • Comprehensive cooling: VRM heatsinks, PCH heatsink, and Fan Xpert 4
  • Aura Sync RGB: Onboard addressable Gen 2 header for RGB LED strips, easily synced with Aura Sync-capable hardware
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ASUS PRIME B550-PLUS ATX Motherboard | AM4 | 4x DDR4 Slots

ASUS PRIME B550-PLUS ATX Motherboard | AM4 | 4x DDR4 Slots

Regular price £122.34
Regular price Sale Price £122.34
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Description Specification Review FAQ

Description

The ASUS PRIME B550-PLUS delivers mainstream AMD performance in a full-sized ATX package. Built around the B550 chipset, this motherboard supports AMD Ryzen 3000 series processors through the AM4 socket, making it an excellent choice for builders seeking solid features without premium pricing. The black and silver design fits cleanly into most builds, while the ATX form factor provides ample room for expansion and component access.

Memory support extends up to 128GB of DDR4 across four DIMM slots, with speeds reaching 4600MHz when using compatible modules and memory profiles. Two M.2 slots handle modern NVMe storage with PCIe 4.0 support for maximum transfer speeds. Connectivity covers the essentials with Gigabit Ethernet, multiple USB 3.2 ports including both Type-A and Type-C, plus DisplayPort and HDMI outputs for integrated graphics. The board also includes Aura Sync RGB headers for synchronized lighting effects.

Installation stays straightforward with standard ATX mounting and clear component labeling. The package includes the rear I/O shield, SATA cables for storage connections, and a detailed user guide. Memory overclocking works through standard profiles, letting you unlock the full potential of higher-speed DDR4 kits. Two PCIe x16 slots provide room for graphics cards and expansion cards, while multiple SATA 6Gbps ports handle traditional storage drives.

Feature

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Eligible for Next day Delivery

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Shipping Information

  • Next Business Day:  £6.99

  • 2 days Delivery: £4.99

  • 3- 5 Days Shipping: £3.99

  • Orders Over £99.00: Free Standard Delivery
Processor
Processor manufacturer AMD
Processor socket Socket AM4
Compatible processor series AMD Ryzen 3000 Series
Supported processor sockets Socket AM4
Memory
Supported memory types DDR4-SDRAM
Number of memory slots 4
Memory slots type DIMM
ECC сompatibility ECC & Non-ECC
Supported memory clock speeds 2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz
Maximum internal memory 128 GB
Storage controllers
Supported storage drive interfaces M.2, SATA
RAID support Yes
RAID levels 0, 1, 10
Graphics
Parallel processing technology support 2-Way CrossFireX
On-board graphics card No
Internal I/O
USB 2.0 connectors 2
USB 3.2 Gen 1 (3.1 Gen 1) connectors 1
Number of SATA III connectors 6
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
Ethernet interface type Gigabit Ethernet
LAN controller Realtek RTL8111H
Wi-Fi No
Features
Motherboard form factor ATX
Motherboard chipset family AMD
Motherboard chipset AMD B550
Audio output channels 7.1 channels
Product colour Black, Silver
Harmonized System (HS) code 84733020
Expansion slots
PCI slots 2
Number of M.2 (M) slots 2
BIOS
BIOS type UEFI AMI
BIOS memory size 256 Mbit
Weight & dimensions
Height 67 mm
Other features
Weight 1 kg

Frequently Asked Questions

How much memory can the ASUS PRIME B550-PLUS support?

This motherboard supports up to 128 GB of DDR4-SDRAM across four memory slots.

Does the ASUS PRIME B550-PLUS support RGB lighting?

Yes, it features intuitive RGB lighting controls for customisation.

What is the maximum data transfer speed of the PCIe 4.0 M.2 slot?

The PCIe 4.0 M.2 slot supports data transfer speeds of up to 64 Gbps.

What processors are compatible with the ASUS PRIME B550-PLUS?

The ASUS PRIME B550-PLUS is compatible with the 3rd Generation AMD Ryzen processors. Socket AM4

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