Name: ASUS Prime B550M-A/CSM
Brand: Asus

Key specs

Socket: Socket AM4
Form factor: micro ATX
Memory: DDR4-SDRAM

Highlights

Specs that matter

Performance

Processor: AMD

Body

Weight: 1.86 lb (845 g)
Colors: Black, Silver

At a glance

Product highlights

Verified attributes, grouped for quick scanning.

ChipsetAMD

Weight1.86 lb (845 g)

55 attributes · See all specifications

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Product data

Full specifications

55 attributes, grouped for quick scanning. Spot a wrong value? Hit the next to it.

Wifi Version: No

Clear CMOS jumper: Yes
BIOS memory size: 256 Mbit
BIOS type: UEFI AMI

Number of M.2 (M) slots: 2
PCI Express x16 (Gen 4.x) slots: 1
PCI Express x1 (Gen 3.x) slots: 2

Windows operating systems supported: Windows 10 x64
Motherboard chipset family: AMD
Motherboard form factor: micro ATX
Component for: PC
Audio output channels: 7.1 channels
Audio chip: Realtek ALC887
Motherboard chipset: AMD B550

On-board graphics card: No

Manufacturer Sku: 90MB14I0-M0EAYC

EPS power connector (8-pin): Yes
Number of chassis fan connectors: 2
CPU fan connector: Yes
ATX Power connector (24-pin): Yes
Front panel audio connector: Yes
Number of SATA III connectors: 4
USB 3.2 Gen 1 (3.1 Gen 1) connectors: 1
USB 2.0 connectors: 2

Harmonized System (HS) code: 84,733,020

Unbuffered memory: Yes
Maximum internal memory: 128 GB
Supported memory clock speeds: 2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz
Memory slots type: DIMM
Number of memory slots: 4
Supported memory types: DDR4-SDRAM

LAN controller: Realtek RTL8111H
Ethernet interface type: Gigabit Ethernet
Ethernet LAN: Yes

Colors: Black, Silver
Model Number: Prime B550M-A/CSM

Height: 51 mm
Depth: 244 mm
Width: 244 mm

Outputs: 1
HDMI ports quantity: 1

Compatible processor series: AMD Ryzen 3000 Series
Processor socket: Socket AM4
Processor manufacturer: AMD

Microphone: Yes
DVI-D ports quantity: 1
VGA (D-Sub) ports quantity: 1
PS/2 ports quantity: 1
Ethernet LAN (RJ-45) ports: 1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4

Form Factor: micro ATX

RAID support: Yes
Number of storage drives supported: 6 GB
Supported storage drive interfaces: M.2, SATA III

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Prime B550M-A/CSM

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Full specifications

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