Asus AMD Prime B550 Plus ATX motherboard

Asus 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

ASUS Prime series is expertly engineered to unleash the full potential of the 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 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 provides 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.

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.

CPU

• AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors Processors *
• Refer to www.asus.com for the CPU support list
• Chipset
• AMD B550

Memory

• AMD Ryzen™ 5000 Series/ 3000 Series Desktop

Processors

• 4 x DIMM, Max. 128GB, DDR4 4600(O.C)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz ECC and non-ECC, Un-buffered Memory *

AMD RyzenTM 4000 G-Series Processor

• 4 x DIMM, Max. 128GB, DDR4 4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz ECC and non-ECC, Un-buffered Memory
• Dual Channel Memory Architecture
• Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

Graphic

• x DisplayPort 1.2 *
• x HDMI 2.1(4K@60HZ)
• *Graphics specifications may vary between CPU types.

Multi-GPU Support

• Supports AMD 2-Way CrossFireX Technology
• Expansion Slots
• AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors
• 1 x PCIe 4.0 x16 (x16 mode)
• AMD RyzenTM 4000 G-Series Processor
• 1 x PCIe 3.0 x16 (x16 mode)
• AMD B550 Chipset
• 1 x PCIe 3.0 x16 (x4 mode)
• 3 x PCIe 3.0 x1
• Support PCIe bifurcation for RAID on CPU function.

Storage

• Total supports 2 x M.2 slot(s) and 6 x SATA 6Gb/s ports
• AMD Ryzen™ 5000 Series/ 3000 Series Desktop

Processors :

• 1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode)

AMD RyzenTM 4000 G-Series Processor :

• 1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIe 3.0 x 4 mode)

AMD B550 Chipset :

• 1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIe 3.0 x 4 mode)*2
• 6 x SATA 6Gb/s port(s), *2
• Support Raid 0, 1, 10

LAN

• Realtek® RTL8111H
• ASUS LANGuard

Audio

• Realtek ALC887 7.1-Channel High Definition Audio CODEC

– Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback

Audio Feature :

• Optical S/PDIF out port(s) at back panel
• LED-illuminated design
• Audio Shielding
• Dedicated audio PCB layers
• Premium Japanese audio capacitors
• Unique de-pop circuit

USB Ports

• Rear USB Port ( Total 8 )
• 2 x USB 3.2 Gen 2 port(s)(1 x Type-A 1 x USB Type-C®)
• 4 x USB 3.2 Gen 1 port(s)(4 x Type-A)
• 2 x USB 2.0 port(s)(2 x Type-A)
• Front USB Port ( Total 6 )
• 2 x USB 3.2 Gen 1 port(s)(2 x Type-A)
• 4 x USB 2.0 port(s)(4 x Type-A)

Back I/O Ports

• 1 x DisplayPort
• 1 x HDMI
• 1 x LAN (RJ45) port(s)
• 2 x USB 3.2 Gen 2 (teal blue) (1 x Type-A 1 x USB Type-C®)
• 4 x USB 3.2 Gen 1 (blue) Type-A
• 2 x USB 2.0
• 1 x Optical S/PDIF out
• 5 x Audio jack(s)

Internal I/O Ports

• 1 x CPU Fan connector(s)
• 1 x CPU OPT Fan connector(s)
• 3 x Chassis Fan connector(s)
• 1 x AIO_PUMP connector
• 2 x Aura RGB Strip Headers
• 1 x Addressable Gen 2 header(s)
• 1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)
• 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
• 1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode)
• 1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
• 1 x SPI TPM header
• 6 x SATA 6Gb/s connector(s)
• 1 x Thunderbolt header(s)
• 1 x 24-pin EATX Power connector(s)
• 1 x 8-pin EATX 12V Power connectors
• 1 x Front panel audio connector(s) (AAFP)
• 1 x Thermal sensor connector(s)
• 1 x Clear CMOS jumper(s)
• 1 x System panel connector
• 1 x COM port header

Accessories

• 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)

BIOS

• 256 Mb Flash ROM, UEFI AMI BIOS

Manageability

• WOL by PME, PXE

Operating System

• Windows® 10 64-bit

Form Factor

• ATX Form Factor
• 12 inch x 9.6  inch ( 30.5  cm x 24.4  cm )