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Compare GIGABYTE B650M K vs B550M K

GIGABYTE B650M K and GIGABYTE B550M K are both motherboards with the same Form factor (Micro ATX), PCI-Express x16 Slots (1) and PCI-Express x1 Slots (1). The main differences are in Socket, Chipset, Supported Memory and Audio Channels.
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In Stock
$99.99
Last updated 3 minutes ago.
Out of Stock
+ $39.90 Shipping
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Out of Stock
+ $4.99 Shipping
Out of Stock
In Stock
$98.78
Last updated 5 minutes ago.
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Brand
Gigabyte
Brand
GIGABYTE
Model
B650M K
Model
  • B550M K
  • GA-B550M-K
Release Date
📅 March 2023
Release Date
📅 February 2023
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★☆
(156 reviews)
Price history
View Details ►
Price history
View Details ►
Compatible PC parts
Compatible PC parts
Socket
AM5
Socket
AM4
Form factor
Micro ATX
Form factor
Micro ATX
Chipset
AMD B650
Chipset
AMD B550
Supported Memory
DDR5
4800Mhz 5200Mhz 5600Mhz 6000Mhz 6200Mhz 6400Mhz
Supported Memory
DDR4
2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz 3400Mhz 3466Mhz 3600Mhz 3733Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4400Mhz 4600Mhz 4733Mhz
* 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
ECC RAM Support
No
Audio Chipset
Realtek Audio CODEC
Audio Chipset
-
Audio Channels
7.1 Channels
Audio Channels
Realtek Audio CODEC
High Definition Audio
2/4/5.1/7.1-channel
LAN Chipset
Realtek 2.5GbE LAN chip (2.5 Gbps/1 Gbps/100 Mbps)
LAN Chipset
Realtek GbE LAN chip
Max LAN Speed
2.5Gbps
Max LAN Speed
1Gbps
SLI Support
No
SLI Support
No
CrossFire Support
No
CrossFire Support
No
RAID Support
Yes
RAID Support
Yes
Back Connect
No
Back Connect
No
Back I/O Ports
  • 1 x DisplayPort
  • 1 x HDMI port
  • 4 x USB 2.0/1.1 ports
  • 1 x PS/2 keyboard/mouse port
  • 1 x USB 3.2 Gen 2 Type-A port (red)
  • 1 x USB Type-C port with USB 3.2 Gen 2 support
  • 1 x Q-Flash Plus button
  • 1 x RJ-45 port
  • 2 x USB 3.2 Gen 1 ports
  • 3 x audio jacks
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
Wireless LAN
No
PCI-Express x16 Slots
1
PCI-Express x16 Slots
1
PCI-Express x4 Slots
0
PCI-Express x4 Slots
0
PCI-Express x1 Slots
1
PCI-Express x1 Slots
1
SATA 6 Gbps Ports
4
SATA 6 Gbps Ports
4
SATA Express Ports
0
SATA Express Ports
0
M.2 Ports
2
M.2 Ports
2
M.2 Devices support
  • 2580 - M Key
  • 2280 / 25110 - M Key
M.2 Devices support
  • 2280 - M Key
  • 2280 - M Key
RAM Slots
4
RAM Slots
4
Maximum Supported RAM
128 GB
Maximum Supported RAM
128 GB
Onboard USB 2.0
1
Onboard USB 2.0
1
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 2
1
Onboard USB 3.2 Gen 2
0
Onboard USB 3.2 Gen 2x2
0
Onboard USB 3.2 Gen 2x2
0

Comparison and key differences summary

⛔ You are comparing motherboards with different sockets. They cannot support the same CPUs. Try to compare motherboards within the same platform.

Reasons to buy the GIGABYTE B650M K:

  • +1 Onboard USB 3.2 Gen 2

Buy now

Reasons to buy the GIGABYTE B550M K:

  • 11% cheaper, you can save $11.00

Buy now

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