GIGABYTE B550M K Motherboard

Name: GIGABYTE B550M K
Brand: GIGABYTE
SKU: B550M K
Rating: 4.0 (156 reviews)

GIGABYTE B550M K AM4 DDR4 Dual M.2 SATA 6Gb/s Realtek GbE LAN PCIe 4.0 Micro-ATX

★★★★☆

(156 reviews)

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Last updated 5 minutes ago.
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Options (2)

	B550M AORUS ELITE AX $139.99
	B550M DS3H AC $215.34

AMD AM4 Socket: Supports AMD Ryzen 5000 Series or Ryzen 5000 G-Series or Ryzen 4000 G-Series and Ryzen 3000 Series Processors
DDR4 Compatible: Dual Channel ECC or Non-ECC Unbuffered DDR4, 4 DIMMs
Sturdy Power Design: 4 plus 2 Phases Digital Twin Power Design with Low RDS(on) MOSFETs
Connectivity: PCIe 4.0 x16 Slot, Dual Ultra-Fast NVMe PCIe 4.0 or 3.0 x4 M.2 Connectors, Realtek GbE LAN chip
Fine Tuning Features: RGB FUSION 2.0, Supports Addressable LED and RGB LED Strips, Smart Fan 5, Q-Flash Plus Update BIOS without installing, CPU, Memory, and GPU

Specifications Overview

Model	B550M K GA-B550M-K
Release Date	February 2023 * First availability for purchase, it may not correspond to the actual market launch date.
Socket	AM4
Form factor	Micro ATX
Chipset	AMD B550
Supported Memory	DDR4 2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz 3400Mhz 3466Mhz 3600Mhz 3733Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4400Mhz 4600Mhz 4733Mhz View compatible RAM ► * High clock speeds may require enabling the XMP profile in the motherboard BIOS ** RAM support may also depend on the CPU memory controller
ECC RAM Support	No
Audio Channels	Realtek Audio CODEC High Definition Audio 2/4/5.1/7.1-channel
LAN Chipset	Realtek GbE LAN chip
Max LAN Speed	1Gbps
SLI Support	No
CrossFire Support	No
RAID Support	Yes
Back Connect	No
Back I/O Ports	1 x PS/2 keyboard/mouse port 1 x DisplayPort 1 x HDMI port 4 x USB 3.2 Gen 1 ports 4 x USB 2.0/1.1 ports 1 x RJ-45 port 3 x audio jacks
Wireless LAN	No
PCI-Express x16 Slots	1
PCI-Express x4 Slots	0
PCI-Express x1 Slots	1
SATA 6 Gbps Ports	4
SATA Express Ports	0
M.2 Ports	2
M.2 Devices support	2280 - M Key 2280 - M Key
RAM Slots	4
Maximum Supported RAM	128 GB
Onboard USB 2.0	1
Onboard USB 3.2 Gen 1	1
Onboard USB 3.2 Gen 2	0
Onboard USB 3.2 Gen 2x2	0

	Old Name	Current Name	Branding	Data Speed	Port
USB 2.0	USB 2.0	USB 2.0	Hi-Speed USB	480 Mbit/s	diverse
USB 3.0	USB 3.1 Gen 1	USB 3.2 Gen 1x1	SuperSpeed USB	5 Gbit/s	diverse
USB 3.1	USB 3.1 Gen 2	USB 3.2 Gen 2x1	SuperSpeed USB 10Gbps	10 Gbit/s	diverse
USB 3.2	USB 3.2 Gen 2x2	USB 4.0 Gen 2x2	USB4 20Gbps	20 Gbit/s	only USB-C
USB4	USB 4.0 Gen 3x2	USB4 1.0	USB4 40Gbps	40 Gbit/s	only USB-C
USB4v2	USB 4.0 Gen 4	USB4 2.0	USB4 80Gbps	80-120 Gbit/s	only USB-C