Asus Prime B550M-A WIFI II Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX — PRIMEB550M-AWIFIII
Asus Prime B550M-A WIFI II Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX — PRIMEB550M-AWIFIII is backordered and will ship as soon as it is back in stock.
Available to source
This item is out of stock — but we can still source it. A solutions architect will confirm availability, pricing, and lead time in writing.
- MPN
- PRIMEB550M-AWIFIII
- SKU
- PRIMEB550MAWIII
Source this item
Send the part and we’ll return a documented quote with confirmed availability and lead time — usually within one business day.
Request a quote & lead time- Written quote
- Confirmed lead time
- Reply within one business day
Description
Description
AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, HDMI, DVI-D, D-Sub, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB lighting support
- AMD AM4 Socket: Ready for Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
- Comprehensive Cooling: VRM heatsink, PCH heatsink, hybrid fan headers, and Fan Xpert 2+ utility
- Ultrafast Connectivity: Dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A support
- Aura Sync RGB Lighting: Onboard addressable Gen 2 header and RGB headers for RGB LED strips, easily synced with Aura Sync-capable hardware
ASUS Prime series is expertly engineered to unleash the full potential of 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series 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.
All-around Energy Efficiency
With the Energy Processing Unit (EPU), you'll enjoy system-wide power savings. The EPU automatically optimizes power consumption and maximizes savings with Away mode.
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 AudioCombined 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.
- Ryzen 3 processors supported for enhanced, dependable system performance with maximum usability
- DDR4 SDRAM compatible slot - Installs memory that reduces processor's idle time and enhances computer's performance
- Supported 0 RAID levels provide data reliability and fault tolerance
- IEEE 802.11 a/b/g/n/ac/ax wireless standard support enables a hassle-free peripheral connection
- HDMI interface connects the top of the line PCs, Blu-ray players, and cutting edge Gaming Controllers
- Micro ATX form factor for your accessibility convenience and simplicity of usage for Desktop Motherboard
Specifications
Specifications
-
Processor manufacturerAMD
-
Processor socketSocket AM4
-
Compatible processor seriesAMD Ryzen 3000 Series, AMD Ryzen 5000 Series
-
Supported processor socketsSocket AM4
-
Supported memory typesDDR4-SDRAM
-
Number of memory slots4
-
Maximum internal memory128 GB
-
Memory slots typeDIMM
-
Memory channelsDual-channel
-
ECC сompatibilityECC
-
Supported memory clock speeds2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4466,4600,4800,4866 MHz
-
Unbuffered memoryYes
-
Supported storage drive interfacesM.2, PCI Express 3.0, PCI Express 4.0, SATA III
-
Supported storage drive typesHDD & SSD
-
Number of storage drives supported6
-
RAID supportYes
-
RAID levels0, 1, 10
-
Parallel processing technology supportNot supported
-
On-board graphics cardNo
-
USB 2.0 connectors2
-
USB 3.2 Gen 1 (3.1 Gen 1) connectors1
-
USB 3.2 Gen 2 (3.1 Gen 2) connectors0
-
Number of SATA III connectors4
-
Number of SATA II connectors0
-
Number of SATA connectors0
-
S/PDIF out connectorYes
-
Front panel audio connectorYes
-
ATX Power connector (24-pin)Yes
-
Number of EATX power connectors1
-
CPU fan connectorYes
-
Number of chassis fan connectors2
-
EPS power connector (8-pin)Yes
-
Number of COM connectors1
-
TPM connectorYes
-
12V power connectorYes
-
RGB LED pin headerYes
-
USB 2.0 ports quantity0
-
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
-
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity0
-
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
-
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity0
-
Ethernet LAN (RJ-45) ports1
-
VGA (D-Sub) ports quantity1
-
HDMI ports quantity1
-
DVI-D ports quantity1
-
PS/2 ports quantity1
-
HDMI version2.1
-
Headphone outputs1
-
Microphone inYes
-
WiFi-AP antenna jack1
-
USB connector typeUSB Type-A
-
Wi-FiYes
-
Ethernet LANYes
-
Ethernet interface typeGigabit Ethernet
-
LAN controllerRealtek RTL8111H
-
Wake-on-LAN readyYes
-
Top Wi-Fi standardWi-Fi 6 (802.11ax)
-
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
-
BluetoothYes
-
Bluetooth version5.2
-
Component forPC
-
Motherboard form factormicro ATX
-
Motherboard chipset familyAMD
-
Motherboard chipsetAMD B550
-
Audio output channels7.1 channels
-
Product colorMulticolor
-
Windows operating systems supportedWindows 10 x64, Windows 11 x64
-
PCI Express x1 (Gen 3.x) slots2
-
PCI Express x16 (Gen 4.x) slots1
-
Number of M.2 (M) slots2
-
1st M.2 largest key size22110
-
1st M.2 highest PCI Express generation4.0
-
2nd M.2 largest key size2280
-
2nd M.2 highest PCI Express generation3.0
-
BIOS typeUEFI AMI
-
BIOS memory size256 Mbit
-
Clear CMOS jumperYes
-
Harmonized System (HS) code84733020
-
Width9.61" (244 mm)
-
Depth9.61" (244 mm)
-
Height2.64" (67 mm)
-
Cables includedSATA
-
Drivers includedYes
-
mSATA ports quantity0
-
Weight29.8 oz (845 g)
-
Packaging content2 x SATA 6Gb/s cables\n1 x ASUS Wi-Fi moving antennas\n1 x I/O Shield\n1 x M.2 SSD screw package\n1 x Support DVD\n1 x User manual
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.




