ASUS Prime B550-Plus AMD Ryzen AM4 DDR4 HDMI DVI VGA M2


2 in stock

Asus Prime B550-PLUS Desktop Motherboard – AMD Chipset – Socket AM4 – ATX – 128 GB DDR4 SDRAM Maximum RAM – DIMM, UDIMM – 4 x Memory Slots – Gigabit Ethernet – HDMI – DisplayPort – 6 x SATA Interfaces 3RD GEN RYZEN ATX MB PCIE 4.0 1GB

2 in stock

SKU: MBAB5 Category:


AMD B550 (Ryzen AM4) ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, DisplayPort/HDMI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A and Type-C, and Aura Sync RGB headers support

  • 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

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.

Audio Shielding

Separates analog/digital signal domains, significantly reducing multi-lateral interference.

Separate Layer for Left and Right Tracks

Ensures minimal crosstalk between audio paths.

Premium Japanese Capacitors

Premium parts provide an immersive sound signature, with exceptional fidelity.

Specifications are provided by the manufacturer. Refer to the manufacturer for additional explanations. Product may not be exactly as shown.

Technical Specs
Audio Channels 7.1
Network & Communication
Gigabit Ethernet Yes
Onboard Video CPU Dependent Video
Limited Warranty 3 Year
Physical Characteristics
Form Factor ATX
Width 12″
Depth 9.6″
Maximum Memory 128 GB
128 GB
Memory Technology DDR4 SDRAM
Number of Memory Slots 4
Memory Form Factor UDIMM
Memory Speed Supported 2133 MHz
2400 MHz
2667 MHz
2800 MHz
3000 MHz
3200 MHz
3333 MHz
3466 MHz
3600 MHz
3733 MHz
3866 MHz
4800 MHz
4600 MHz
4466 MHz
4400 MHz
4266 MHz
4133 MHz
4000 MHz
4000 MHz
3866 MHz
3733 MHz
3600 MHz
4133 MHz
4266 MHz
4400 MHz
4466 MHz
4600 MHz
4800 MHz
2133 MHz
2400 MHz
2667 MHz
2800 MHz
3000 MHz
3200 MHz
3333 MHz
3466 MHz
I/O Expansions
Number of PCI Express x1 Slots 3
Number of Total Expansion Slots 5
Number of PCI Express x16 Slots 2
Total Number of PCI Express Slots 5
I/O Controller
RAID Levels 10
Controller Type Serial ATA/600
RAID Supported Yes
Package Contents
  • Prime B550-PLUS Desktop Motherboard
  • User’s Manual
  • I/O Shield
  • 2 x SATA 6Gb/s cable(s)
  • 1 x Supporting DVD
  • 1 x M.2 SSD screw package(s)
Country of Origin China
Environmentally Friendly Yes
Environmental Certification RoHS
Brand Compatibility AMD
Onboard Interfaces
Number of SATA Interfaces 6
Total Number of Onboard USB Ports 6
Number of Onboard USB 2.0 Ports 4
Onboard S/PDIF Header Yes
Number of M.2 Interfaces 2
Number of Onboard USB 3.2 Ports 2
Number of Network (RJ-45) Ports 1
DisplayPort Yes
Total Number of USB Ports 8
Number of USB 2.0 Ports 2
Number of USB 3.2 Ports 6
General Information
Product Type Desktop Motherboard
Manufacturer Part Number PRIME B550-PLUS
Manufacturer Website Address
Manufacturer ASUS Computer International
Product Model B550-PLUS
Product Name Prime B550-PLUS Desktop Motherboard
Product Line Prime
Brand Name Asus
Processor & Chipset
Processor Supported Ryzen 3
Ryzen 9
Ryzen 7 PRO
Ryzen 7
Ryzen 5 Pro
Ryzen 9 PRO
Ryzen 5
Total Processor Supported 1
Processor Socket Socket AM4
Chipset Manufacturer AMD

Additional information

Weight 2.95 lbs
Dimensions 13.1 × 10.6 × 2.75 in


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