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Motherboard ASUS PRIME B550M-A

#1668532

Motherboard ASUS PRIME B550M-A

[AM4, AMD B550, 4xDDR4-3200 MHz, 1xPCI-Ex16, 2xM.2, Micro-ATX] details

4.84 | 327
Excellent reliability

Not on sale

Accessories

  • Characteristics
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  • Service rating (Reliability assessment)
  • Instructions and files

Characteristics Motherboard ASUS PRIME B550M-A

General parameters

Type
motherboard
Model
ASUS PRIME B550M-A
Series
ASUS PRIME
Color
black
Release Year
2020

Form Factor and Dimensions

Form Factor
Micro-ATX
Rear I/O Connectors (Back-Connect)
none
Height
244 mm
Width
244 mm

Processor and Chipset

Socket
AM4
AMD Chipset
AMD B550
Compatible AMD Processor Cores
Renoir, Matisse

Memory

Supported Memory Type
DDR4
Supported Memory Form Factor
DIMM
Number of RAM Slots
4
Number of Memory Channels
2
Max RAM Volume
128 GB
Maximum Memory Frequency (JEDEC/No Overclock)
3200 MHz
Overclocked RAM Frequency
4400 MHz, 4333 MHz, 3866 MHz, 4600 MHz, 4800 MHz, 4266 MHz, 3333 MHz, 4200 MHz, 3466 MHz, 3400 MHz, 4866 MHz, 4000 MHz, 4133 MHz, 4466 MHz, 3733 MHz, 3600 MHz

Expansion Slots

PCI Express Version
4.0
PCIe x16 Slots
1 x PCIe 4.0 (supported mode: x16)
Support For SLI/CrossFire
none
Multi-GPU Support (SLI/CrossFire) Card Count
0 pcs
Slot Count: PCI-E x1
2
Other Expansion Slots
none

Drive Controllers

Support For NVMe
yes
PCI Express SSD Version
4.0
M.2 Connector Count
2
M.2 (M) Connectors, CPU PCIe Lanes
1 x 2242/2260/2280/22110 (SATA/PCIe 4.0 x4)
M.2 (M) Connectors, Chipset PCIe Lanes
1 x 2242/2260/2280 (SATA/PCIe 3.0 x4)
SATA Port Count
4
SATA RAID Mode
0, 10, 1
NVMe RAID Mode
none
Other Drive Connectors
none

Rear Panel Ports

USB Type-A Ports
2 x USB 3.2 Gen 2, 4 x USB 3.2 Gen 1
USB Type-C Ports
none
Video Outputs
1 x HDMI, 1 x DVI-D, 1 x VGA (D-Sub)
RJ-45 Ethernet Port Count
1
Analog Audio Connector Count
3
Digital Audio Ports (S/PDIF)
none
SMA Connectors (for Wi-Fi Antenna)
none
PS/2 Ports
combined

Board Connectors

Internal USB Type-A Connectors
2 x USB 2.0 (9 pin), 1 x USB 3.2 Gen 1 (19 pin)
Internal USB Type-C Connectors
none
CPU Cooler Power Connectors
2 x 4-pin (cooler)
Case Fan Connectors (4 pin)
2
Case Fan Connectors (3 pin)
0
5V-D-G (3 pin) ARGB Lighting Connectors
1
12V-G-R-B (4 pin) RGB Lighting Connectors
2
M.2 Key E Connector for Wireless Modules
none
RS-232 (COM) Connector
yes
LPT Port
none

Audio

Sound Scheme
7.1
Audio Adapter Chipset
Realtek ALC887

Network

Network Adapter Speed
1 Gbit/s
Network Adapter
Realtek RTL8111H
Wi-Fi Standard
none
Bluetooth Version
none
Wireless Adapter
none

Power and Cooling

Main Power Connector
24 pin
CPU Power Connector
1 x 8 pin
Number of Power Phases
8
Passive Cooling
VRM area, chipset
Active Cooling
none

Additional Information

Buttons on the Motherboard
none
Backlit Board Elements
none
Software for RGB Lighting Synchronization
ASUS Aura Sync
App for Smartphone Interaction
none
Features, Additional
TPM 2.0 support
Package Contents
rear trim, documentation, 2 x SATA cable, software disk

Packaged Dimensions and Weight

Box Length
27 cm
Box Width
26 cm
Box Height
5 cm
Weight Boxed
0.95 kg

Description

The ASUS PRIME B550M-A Micro-ATX motherboard provides a reliable foundation for a compact PC. The AM4 socket ensures compatibility with AMD processors. The board features 4 slots for DDR4 RAM modules up to 128 GB, 1 PCI-E x16 slot and 2 PCI-E x1 slots for graphics, 4 SATA 6 Gbps ports, and 2 M.2 connectors for storage drives. It also includes a Realtek ALC887 audio codec and a Realtek RTL8111H 1000 Mbps network adapter. Popular ports and headers allow connecting various external peripherals to the ASUS PRIME B550M-A. Proprietary technologies and dependable components guarantee stable board performance during extended operation.