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Compare Gigabyte B450M K vs B650M K

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  3. Gigabyte B450M K 🆚 GIGABYTE B650M K
Gigabyte B450M K and GIGABYTE B650M 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 M.2 Ports.
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Gigabyte B450M K Socket AM4 B450 DDR4 S-ATA 600 Micro ATX
Gigabyte B450M K
GIGABYTE B650M K AM5 B650 DDR5 2x PCIe 4.0 M.2 PCIe 4.0 USB 3.2 Gen2 Type-C 2.5GbE LAN Micro-ATX
GIGABYTE B650M K
Prices
(Change region)
Out of Stock
+ $35.00 Shipping
$49.54
-
Buy now
Prices
(Change region)
In Stock
$99.99
Last updated 3 minutes ago.
Out of Stock
+ $39.90 Shipping
$129.71
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* Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.
Brand
Gigabyte
Brand
Gigabyte
Model
B450M K
Model
B650M K
Release Date
-
Release Date
📅 March 2023
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
View Details ►
Price history
View Details ►
Compatible PC parts
Processors ► Memory ► Cases ► CPU Coolers ►
Compatible PC parts
Processors ► Memory ► Cases ► CPU Coolers ►
Socket
AM4
Socket
AM5
Form factor
Micro ATX
Form factor
Micro ATX
Chipset
AMD B450
Chipset
AMD B650
Supported Memory
DDR4
2133Mhz 2400Mhz 2666Mhz 2933Mhz 3466Mhz 3600Mhz
Supported Memory
DDR5
4800Mhz 5200Mhz 5600Mhz 6000Mhz 6200Mhz 6400Mhz
* 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
-
Audio Chipset
Realtek Audio CODEC
Audio Channels
-
Audio Channels
7.1 Channels
LAN Chipset
-
LAN Chipset
Realtek 2.5GbE LAN chip (2.5 Gbps/1 Gbps/100 Mbps)
Max LAN Speed
-
Max LAN Speed
2.5Gbps
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
-
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
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
1
M.2 Ports
2
M.2 Devices support
  • 2242 / 2260 / 2280 / 22110 - M Key
M.2 Devices support
  • 2580 - M Key
  • 2280 / 25110 - M Key
RAM Slots
2
RAM Slots
4
Maximum Supported RAM
64 GB
Maximum Supported RAM
128 GB
Onboard USB 2.0
2
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
0
Onboard USB 3.2 Gen 2
1
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 B450M K:

  • 50% cheaper, you can save $50.45
  • +1 Onboard USB 2.0

Buy now

Reasons to buy the GIGABYTE B650M K:

  • +1 Ports M.2
  • +2 RAM slots
  • +64 GB maximum RAM supported
  • +1 Onboard USB 3.2 Gen 2

Buy now

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