Skip to content
Shop
ASUS Mainboard PRIME B550M-A WIFI II1/8
ASUS

ASUS PRIME B550M-A WIFI II AMD B550 Socket AM4 micro ATX

Part number
1895479
MPN
90MB19X0-M0EAY0
EAN
4711081309741

ASUS PRIME B550M-A WIFI II, AMD, Socket AM4, AMD Ryzen 3000 Series, AMD Ryzen 5000 Series, Socket AM4, DDR4-SDRAM, 128 GB

Memory slots typeDIMM
Processor socketSocket AM4
ChipsatzB550
Mainboard FormfaktorMicro-ATX
Wi-FiYes
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 3000 Series, AMD Ryzen 5000 Series
Supported processor socketsSocket AM4
All 88 specifications

Description

ASUS PRIME B550M-A WIFI II. Processor manufacturer: AMD, Processor socket: Socket AM4, Compatible processor series: AMD Ryzen 3000 Series, AMD Ryzen 5000 Series. Supported memory types: DDR4-SDRAM, Maximum internal memory: 128 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, PCI Express 3.0, PCI Express 4.0, SATA III, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 10. USB connector type: USB Type-A. Ethernet interface type: Gigabit Ethernet, LAN controller: Realtek RTL8111H, Top Wi-Fi standard: Wi-Fi 6 (802.11ax)

Documents

Specifications

Memory slots typeDIMM
Processor socketSocket AM4
ChipsatzB550
Mainboard FormfaktorMicro-ATX
Wi-FiYes

Processor

Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 3000 Series, AMD Ryzen 5000 Series
Supported processor socketsSocket AM4

Memory

Supported memory typesDDR4-SDRAM
Number of memory slots4
Maximum internal memory128 GB
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

Storage controllers

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

Graphics

Parallel processing technology supportNot supported
On-board graphics cardNo

Internal I/O

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

Rear panel I/O ports

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

Network

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

Features

Component forPC
Motherboard form factormicro ATX
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Audio output channels7.1 channels
Product colourMulticolour
Windows operating systems supportedWindows 10 x64, Windows 11 x64

Expansion slots

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

BIOS typeUEFI AMI
BIOS memory size256 Mbit
Clear CMOS jumperYes

Logistics data

Harmonized System (HS) code84733020

Weight & dimensions

Width244 mm
Depth244 mm
Height67 mm

Packaging content

Cables includedSATA
Drivers includedYes

Other features

mSATA ports quantity0
Weight845 g
Packaging content2 x SATA 6Gb/s cables 1 x ASUS Wi-Fi moving antennas 1 x I/O Shield 1 x M.2 SSD screw package 1 x Support DVD 1 x User manual
Weight1.18 kg

Similar items