• Description
• Specification

• Description
• Specification

BRANDS	ASUS

specification

CPU

CPU Socket	Socket AM4
CPU Brand	AMD
Installed Processors (Max)	0 (1)
Supported Processor Manufacturer	AMD
Supported Processors	3rd Gen AMD Ryzen Processors
64-bit Support	Yes
Socket	AM4

Rear Panel I/O Ports

USB Ports	2 x USB 3.1 4 x USB 3.0
HDMI Port	1 x HDMI 2.1
VGA Port	1 x D-Sub (VGA)
Keyboard/Mouse Combo Port	1 x PS/2
RJ-45 Ports	1 x RJ-45
Digital Port	1 x DVI-D
Audio Line In Ports	1 x 3.5mm Jack
Audio Line Out Ports	1 x 3.5mm Jack
Microphone In Port	1 x 3.5mm Jack

Internal I/O Connectors

SATA Connectors	4 x SATA III
USB Connectors	1 x USB 3.0 header (supports 2 ports) 2 x USB 2.0 heaeders (supports 4 ports)
Speaker	1 x Speaker header
Front Panel Connectors	1 x Front Panel 1 x Front Audio
Cooling Fan Support	1 x CPU fan header 1 x CPU_OPT fan header 2 x Chassis fan headers
S/PDIF Connectors	1 x S/PDIF Out header
Serial Connectors	1 x COM header
TPM Header	1 x SPI TPM header
Power Connector Port	1 x 20+4-pin ATX 1 x 4+4-pin EPS
Other Connectors	1 x M.2, Socket 3, M Key (Type 2242/2260/2280/22110) 1 x M.2, Socket 3, M Key (Type 2242/2260/2280) 2 x Aura RGB LED headers 1 x Addressable Gen 2 header

Memory

Memory Bus Speed	4800(O.C.)/4600(O.C)/4466(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
Memory Type	DDR4
Maximum RAM	128 GB
Memory Slot	4 x DIMM

Motherboard

Chipset Manufacturer	AMD
Northbridge	B550
RAID Supported	Yes
RAID Format	RAID 0, 1, 10
SATA Supported	Yes

Expansion

Number of PCI Express Slots

1 x PCI Express 4.0 x16 2 x PCI Express 3.0 x1

Graphics Device

Integrated Graphics Supported

Yes

Sound

Integrated Sound

Realtek ALC887

Warranty

Warranty

none

Network

Integrated Network	Realtek RTL8111H
Network Speeds Supported	10/100/1000 Mbps
Wireless LAN	No
Bluetooth	No

System Requirements

Operating Systems Supported

Microsoft Windows 10 64-bit

System

BIOS	256 Mb Flash ROM, UEFI AMI BIOS
Jumpers	1 x Clear CMOS
Software Included (may be trial or restricted)	Yes
Drivers	Yes

Physical

Form Factor	MicroATX Motherboard
In The Box	PRIME B550M-A Motherboard I/O Shield 2 x SATA 6Gb/s cable(s) 1 x Supporting DVD User manual 1 x M.2 SSD screw package(s)
Width	244 mm
Length	244 mm

Key Features

Memory Speed	4800 MHz
RGB Header Type	3-Pin ARGB
Addressable RGB	Yes
Firewire	No
Wireless Network	No
Memory Channel	Dual
On-board Audio Type	7.1
Number of SATA Ports	4 port(s)
Number of USB Ports	6 port(s)
SATA III Support	Yes
USB 3.0 Support	Yes
Multi GPU Support	No
VGA Connection	Yes
DVI Connection	Yes
HDMI Connection	Yes
DisplayPort Connection	No
Motherboard Form Factor	mATX
Motherboard Power Connectors	4 + 4-Pin
Motherboard Chipset	AMD B550
Thunderbolt	No
Motherboard Model	ASUS Prime B550M-A
USB 3.1 Support	Yes
Internal USB3.0 Header	Yes
M.2 Support	Yes
On-board RGB Control	ASUS Aura Sync

Item Details

Manufacturer	ASUS
Manufacturer Code	90MB14I0-M0EAY0
Alternative Part Number	PRIME B550M-A
EAN	4718017755528
Condition	New