GIGABYTE B550M K Motherboard – AMD Ryzen 5000 CPUs, up to 4733MHz DDR4, 1xPCIe 4.0 + 1xPCIe 3.0 M.2, 1GbE LAN, USB 3.2 Gen 1

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About This Product

Elevate your computing experience with GIGABYTE’s renowned motherboard series: AORUS, AERO, and GIGABYTE. Featuring innovative designs and advanced features, these boards offer exceptional performance and reliability. Whether you’re a gamer, content creator, or professional, our series cater to your needs, ensuring uncompromising quality and cutting-edge

Key Features & Highlights

  • Supports AMD Ryzen 5000 Series/ Ryzen 5000 G-Series/ Ryzen 4000 G-Series and Ryzen 3000 and Ryzen 3000 G-Series Processors
  • Dual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs
  • Ultra Durable PCIe 4.0 Ready x16 Slot
  • Dual Ultra-Fast NVMe PCIe 4.0/3.0 M.2 Connectors
  • High Quality Audio Capacitors and Audio Noise Guard for Ultimate Audio Quality
  • GbE LAN with Bandwidth Management
  • Rear DisplayPort and HDMI for Multi-display Support
  • Smart Fan 5 Features Multiple Temperature Sensors, Hybrid Fan Headers with FAN STOP
  • Anti-Sulfur Resistors Design

Technical Specifications

Processor

Processor manufacturer AMD
Processor socket Socket AM4
Compatible processor series AMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series
Supported processor sockets Socket AM4

Memory

Supported memory types DDR4-SDRAM
Number of memory slots 4
Memory slots type DIMM
Memory channels Dodeca-channel
ECC сompatibility ECC & Non-ECC
Supported memory clock speeds 4733,4600,4400,4266,4133,4000,3866,3733,3600,3466,3400,3200,2933,2667,2400,2133 MHz
Supported memory clock speed (max) 4733 MHz
Maximum internal memory 128 GB
Unbuffered memory Yes
Maximum internal memory per slot 32 GB

Storage controllers

Supported storage drive types HDD & SSD
Supported storage drive interfaces M.2, SATA
Number of HDDs supported 2
Number of storage drives supported 6
RAID support Yes
RAID levels 0, 1, 10

Graphics

Parallel processing technology support Not supported
Maximum resolution 5120 x 2880 pixels
HDCP Yes
DirectX version 12.0

Internal I/O

USB 2.0 connectors 1
USB 3.2 Gen 1 (3.1 Gen 1) connectors 1
Number of SATA III connectors 4
Front panel audio connector Yes
Front panel connector Yes
ATX Power connector (24-pin) Yes
CPU fan connector Yes
Number of CPU fan connectors 1
Number of chassis fan connectors 1
EPS power connector (8-pin) Yes
Number of EPS power connectors (8-pin) 1
TPM connector Yes
12V power connector Yes

Rear panel I/O ports

USB 2.0 ports quantity 4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 4
Ethernet LAN (RJ-45) ports 1
PS/2 ports quantity 1
HDMI ports quantity 1
HDMI version 2.1
DisplayPorts quantity 1
DisplayPort version 1.4
Headphone outputs 1
Line-in Yes
Microphone in Yes

Network

Ethernet LAN Yes
Ethernet interface type Gigabit Ethernet
LAN controller Realtek RTL8111H
Wi-Fi No

Features

Motherboard chipset AMD B550
Audio chip Realtek ALC897
Audio output channels 7.1 channels
Product colour Brown
PC health monitoring Fan, Temperature, Voltage
Component for PC
Motherboard form factor micro ATX
Motherboard chipset family AMD
Cooling type Passive
Power source type ATX
Windows operating systems supported Windows 10 x64, Windows 11 x64

Expansion slots

PCI Express x1 (Gen 3.x) slots 1
PCI Express x16 (Gen 4.x) slots 1
Number of M.2 (M) slots 2
1st M.2 largest key size 2280
1st M.2 highest PCI Express generation 4.0
2nd M.2 largest key size 2280
2nd M.2 highest PCI Express generation 3.0

BIOS

BIOS type UEFI AMI
BIOS memory size 128 Mbit
ACPI version 5.0
Clear CMOS jumper Yes
Desktop Management Interface (DMI) version 2.7
System Management BIOS (SMBIOS) version 2.7

Logistics data

Country of origin China
Products per shipping (inner) case 1 pc(s)

Battery

Battery weight 3 g
Lithium weight per battery 0.07 g
Number of battery cells 1
Battery technology Lithium-Manganese Dioxide (LiMnO2)
Battery type CR2032

Packaging data

Package width 265 mm
Package depth 265 mm
Package height 54 mm
Package weight 837 g

Weight & dimensions

Width 244 mm
Depth 244 mm
Height 35 mm

Packaging content

Batteries included Yes
Screws included Yes
Bundled software Norton® Internet Security (OEM version)
LAN bandwidth management software

Technical details

Warranty period 3 year(s)
Manufacturer Part Number

B550M K

Brand

GIGABYTE

UPC / EAN

0889523036006

SKU

GI1100562

Category

Motherboards

Subcategory

Motherboard

Processor manufacturer

AMD

Processor socket

Socket AM4

Compatible processor series

AMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series

Supported processor sockets

Socket AM4

Supported memory types

DDR4-SDRAM

Number of memory slots

4

Memory slots type

DIMM

Memory channels

Dodeca-channel

ECC сompatibility

ECC & Non-ECC

Supported memory clock speeds

4733,4600,4400,4266,4133,4000,3866,3733,3600,3466,3400,3200,2933,2667,2400,2133 MHz

Supported memory clock speed (max)

4733 MHz

Maximum internal memory

128 GB

Unbuffered memory

Yes

Maximum internal memory per slot

32 GB

Supported storage drive types

HDD & SSD

Supported storage drive interfaces

M.2, SATA

Number of HDDs supported

2

Number of storage drives supported

6

RAID support

Yes

RAID levels

0, 1, 10

Parallel processing technology support

Not supported

Maximum resolution

5120 x 2880 pixels

HDCP

Yes

DirectX version

12.0

USB 2.0 connectors

1

USB 3.2 Gen 1 (3.1 Gen 1) connectors

1

Number of SATA III connectors

4

Front panel audio connector

Yes

Front panel connector

Yes

ATX Power connector (24-pin)

Yes

CPU fan connector

Yes

Number of CPU fan connectors

1

Number of chassis fan connectors

1

EPS power connector (8-pin)

Yes

Number of EPS power connectors (8-pin)

1

TPM connector

Yes

12V power connector

Yes

USB 2.0 ports quantity

4

USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity

4

Ethernet LAN (RJ-45) ports

1

PS/2 ports quantity

1

HDMI ports quantity

1

HDMI version

2.1

DisplayPorts quantity

1

DisplayPort version

1.4

Headphone outputs

1

Line-in

Yes

Microphone in

Yes

Ethernet LAN

Yes

Ethernet interface type

Gigabit Ethernet

LAN controller

Realtek RTL8111H

Wi-Fi

No

Motherboard chipset

AMD B550

Audio chip

Realtek ALC897

Audio output channels

7.1 channels

Product colour

Brown

PC health monitoring

Fan, Temperature, Voltage

Component for

PC

Motherboard form factor

micro ATX

Motherboard chipset family

AMD

Cooling type

Passive

Power source type

ATX

Windows operating systems supported

Windows 10 x64, Windows 11 x64

PCI Express x1 (Gen 3.x) slots

1

PCI Express x16 (Gen 4.x) slots

1

Number of M.2 (M) slots

2

1st M.2 largest key size

2280

1st M.2 highest PCI Express generation

4.0

2nd M.2 largest key size

2280

2nd M.2 highest PCI Express generation

3.0

BIOS type

UEFI AMI

BIOS memory size

128 Mbit

ACPI version

5.0

Clear CMOS jumper

Yes

Desktop Management Interface (DMI) version

2.7

System Management BIOS (SMBIOS) version

2.7

Country of origin

China

Products per shipping (inner) case

1 pc(s)

Battery weight

3 g

Lithium weight per battery

0.07 g

Number of battery cells

1

Battery technology

Lithium-Manganese Dioxide (LiMnO2)

Battery type

CR2032

Package width

265 mm

Package depth

265 mm

Package height

54 mm

Package weight

837 g

Width

244 mm

Depth

244 mm

Height

35 mm

Batteries included

Yes

Screws included

Yes

Bundled software

Norton® Internet Security (OEM version) LAN bandwidth management software

Warranty period

3 year(s)

Product Documentation & Datasheet

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📄 Download Official PDF Manual / Datasheet

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