ASUS PRIME B550M-A AMD B550 Socket AM4 micro ATX

Login for pricing
In stock
AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB headers support
SKU
90MB14I0-M0EAY0
UNSPSC: 43201513
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
A VRM heatsink with underneath thermal pad improves 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.

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.
Technical details
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Motherboard form factormicro ATX
Performance
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Motherboard form factormicro ATX
Processor
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 3000 Series
Processor socketSocket AM4
Memory
Number of memory slots4
Memory slots typeDIMM
Supported memory typesDDR4-SDRAM
Supported memory clock speeds2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz
Maximum internal memory128 GB
Storage controllers
Supported storage drive interfacesM.2, SATA
Internal I/O
Supported storage drive interfacesM.2, SATA
USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors1
Number of SATA connectors4
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
PS/2 ports quantity1
HDMI ports quantity1
Ethernet LAN (RJ-45) ports1
DVI-D ports quantity1
Network
Ethernet LANYes
LAN controllerRealtek 8111H
BluetoothYes
Bluetooth version5.1
Features
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Motherboard form factormicro ATX
Harmonized System (HS) code84733020
BIOS
BIOS typeUEFI AMI
BIOS memory size256 Mbit
Logistics data
Harmonized System (HS) code84733020
SKU 90MB14I0-M0EAY0
EAN 4718017755528
Specification
Technical details
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Motherboard form factormicro ATX
Performance
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Motherboard form factormicro ATX
Processor
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 3000 Series
Processor socketSocket AM4
Memory
Number of memory slots4
Memory slots typeDIMM
Supported memory typesDDR4-SDRAM
Supported memory clock speeds2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz
Maximum internal memory128 GB
Storage controllers
Supported storage drive interfacesM.2, SATA
Internal I/O
Supported storage drive interfacesM.2, SATA
USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors1
Number of SATA connectors4
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
PS/2 ports quantity1
HDMI ports quantity1
Ethernet LAN (RJ-45) ports1
DVI-D ports quantity1
Network
Ethernet LANYes
LAN controllerRealtek 8111H
BluetoothYes
Bluetooth version5.1
Features
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Motherboard form factormicro ATX
Harmonized System (HS) code84733020
BIOS
BIOS typeUEFI AMI
BIOS memory size256 Mbit
Logistics data
Harmonized System (HS) code84733020
Manufacturer ASUS
In Stock Y