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Main image of ASUS Prime B550M-A WiFi II AMD AM4 (3rd Gen Ryzen) Micro ATX Motherboard (PCIe 4.0, WiFi 6, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

Alt view image 2 of 9 - ASUS Prime B550M-A WiFi II AMD AM4 (3rd Gen Ryzen) Micro ATX Motherboard (PCIe 4.0, WiFi 6, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

Alt view image 3 of 9 - ASUS Prime B550M-A WiFi II AMD AM4 (3rd Gen Ryzen) Micro ATX Motherboard (PCIe 4.0, WiFi 6, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

Alt view image 4 of 9 - ASUS Prime B550M-A WiFi II AMD AM4 (3rd Gen Ryzen) Micro ATX Motherboard (PCIe 4.0, WiFi 6, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

Alt view image 5 of 9 - ASUS Prime B550M-A WiFi II AMD AM4 (3rd Gen Ryzen) Micro ATX Motherboard (PCIe 4.0, WiFi 6, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

Alt view image 6 of 9 - ASUS Prime B550M-A WiFi II AMD AM4 (3rd Gen Ryzen) Micro ATX Motherboard (PCIe 4.0, WiFi 6, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

Alt view image 7 of 9 - ASUS Prime B550M-A WiFi II AMD AM4 (3rd Gen Ryzen) Micro ATX Motherboard (PCIe 4.0, WiFi 6, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

Alt view image 8 of 9 - ASUS Prime B550M-A WiFi II AMD AM4 (3rd Gen Ryzen) Micro ATX Motherboard (PCIe 4.0, WiFi 6, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

Alt view image 9 of 9 - ASUS Prime B550M-A WiFi II AMD AM4 (3rd Gen Ryzen) Micro ATX Motherboard (PCIe 4.0, WiFi 6, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

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ASUS Prime B550M-A WiFi II AMD AM4 (3rd Gen Ryzen) Micro ATX Motherboard (PCIe 4.0, WiFi 6, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

Name: ASUS PRIME B550M-A WIFI II Micro ATX AMD Motherboard
Brand: ASUS
SKU: N82E16813119580
Price: 129.99 CAD
Availability: InStock
Rating: 4 (59 reviews)

(59) Write a Review

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AMD AM4 Socket and PCIe 4.0: The perfect pairing for 3rd Gen AMD Ryzen CPUs
Ultrafast Connectivity: 1x PCIe 4.0 x16 SafeSlot, WiFi 6 (802.11ax), 1Gb LAN, dual M.2 slots (NVMe SSD) - one with PCIe 4.0 x4 connectivity, USB 3.2 Gen 2 Type-A, HDMI 2.1 (4K@60HZ), D-Sub & DVI
Comprehensive Cooling: VRM heatsink, PCH heatsink, hybrid fan headers and Fan Xpert 2 utility
5X Protection III: all-round protection with LANGuard, DRAM overcurrent protection, overvoltage protection, SafeSlot Core safeguards and stainless-steel back I/O
Boosted Memory Performance: ASUS OptiMem proprietary trace layout allows memory kits to operate at higher frequencies with lower voltages to maximize system performance
Enhanced Power Solution: 8+1 DrMOS power stages with high-quality alloy chokes and durable capacitors to provide reliable power for the last AMD high-count-core CPUs
Aura Sync RGB: Synchronizable LED effects across a wide range of compatible PC gear, plus RGB LED and Addressable Gen 2 RGB headers

Combo Up Savings Up To $2630+

The more you add, the more you'll save!

Overview

Specs

Reviews (59)

Powered by 3rd Gen AMD® Ryzen processors, the ASUS Prime B550M-A WiFi II delivers next-generation speeds with PCIe 4.0, WiFi 6 and 1Gb LAN. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the ASUS Prime B550M-A WiFi 6 provides mainstream PC users and DIY PC builders with a perfect all-around foundation via intuitive software and firmware features.

USB 3.0	10 x USB 3.0
HDMI	1 x HDMI

Number of Memory Slots	4x288pin (DDR4)
Memory Standard	DDR4 4866(OC) / 4800(OC) / 4600(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3333(OC) / 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133* * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.

PCI Express 3.0 x16	1 x PCI Express 3.0 x16
PCI Express 2.0 x16	1 x PCI Express 2.0 x16
PCI Express x16	1 x PCI Express x16

Maximum Memory Supported	128GB
Channel Supported	Dual Channel

ECC Supported	ECC memory (ECC mode) support varies by CPU
Buffer Supported	Un-buffered
Memory Feature	DDR4, 2133 MHz, 4, 128 GB

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ASUS Prime B550M-A WiFi II AMD AM4 (3rd Gen Ryzen) Micro ATX Motherboard (PCIe 4.0, WiFi 6, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

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PCI Express 4.0 x16	1 x PCI Express 4.0 x16* * Actual support may vary by CPU.
PCI Slots	1 x PCI Slot

M.2	AMD Ryzen 5000 Series/ 3000 Series Desktop Processors: M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes) AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors: M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes) AMD B550 Chipset: M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)
SATA RAID	0/1/10

LAN Chipset	Realtek 1Gb Ethernet
Wireless LAN	Wi-Fi 6 802.11 a/b/g/n/ac/ax
Bluetooth	Bluetooth 5.2

Back I/O Ports	2 x USB 3.2 Gen 2 ports (2 x Type-A) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 1 x D-Sub port 1 x DVI-D port 1 x HDMI port 1 x Wi-Fi Module 1 x Realtek 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 Keyboard/Mouse combo port
PS/2	1
COM	3
Video Ports	1
RJ45	1 x RJ45
USB 3.1	2 x USB 3.1
USB 1.1/2.0	9 x USB 2.0
S/PDIF Out	1 x Optical, 1 x Coaxial
S/PDIF In	1 x Optical, 1 x Coaxial
Game/MIDI Ports	1
Audio Ports	6 Ports

Onboard USB	1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports
Other Connectors	Fan and Cooling related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 2 x 4-pin Chassis Fan headers Miscellaneous 1 x Addressable Gen 2 header 2 x AURA RGB headers 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x S/PDIF Out header 1 x Speaker header 1 x SPI TPM header (14-1pin) 1 x 10-1 pin System Panel header

LED Lighting	RGB
Dimensions (W x L)	9.6" x 9.6"
Power Pin	1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector

Software Feature
Software	windows_10
Windows 11	Ready

Item#: N82E16813119580

Best Sellers

ASUS Prime B550M-A WiFi II AMD AM4 (3rd Gen Ryzen) Micro ATX Motherboard (PCIe 4.0, WiFi 6, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

+ $10 off w/ promo code CSBF97 w/ mobile checkout, limited offer

Learn more about the ASUS PRIME B550M-A WIFI II

Customer Reviews of the ASUS PRIME B550M-A WIFI II

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info