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A rectangular green printed circuit board with silver metal sockets and black plastic slots, micro-ATX size

GIGABYTE

GIGABYTE B650M K AMD motherboard

SKU CH-A47M-X5FGT

Micro-ATX board for Ryzen 7000 CPUs with four DDR5 slots up to 128 GB, one PCIe 4.0 x16 slot, two PCIe 4.0 M.2 sockets, four SATA ports, 2.5 GbE LAN and USB 3.2 Gen 2 Type-C

  • ProcessorRyzen 7000 Series
  • ChipsetAMD B650
  • Form factorMicro ATX
  • CPU socketAM5
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryDDR5 5200/4800/4400
  • Supports Ryzen 7000 Series CPUs via AM5 socket
  • DDR5 memory up to 128 GB with AMD EXPO and XMP profiles
  • 8+2+1 phase digital VRM for stable power delivery
  • Two PCIe 4.0 M.2 slots plus USB 3.2 Gen 2 Type-C connectivity
  • 5 GbE LAN for fast wired networking

Socket AM5 DDR5 Platform

The GIGABYTE B650M K is a micro-ATX motherboard built for AMD Ryzen 7000 series processors. It uses the AMD B650 chipset and provides four 288-pin DDR5 slots supporting up to 128 GB of memory at speeds of 5200, 4800 or 4400 MT/s. A direct 8+2+1 phase digital VRM and M.2 thermal guards help maintain stable operation.

Ideal for Compact Builds

This board suits builders who want a capable AM5 foundation in a smaller chassis with dual M.2 storage and 2.5 GbE networking. It is less suited for users needing multiple PCIe x16 slots, extensive rear I/O or built-in Wi-Fi, as it offers only one full-length PCIe 4.0 x16 slot and a single PCIe 3.0 x1 slot.

Capacity and Headroom

Dual-channel DDR5 up to 128 GB gives ample headroom for gaming and content creation workloads. Two PCIe 4.0 x4 M.2 connectors and four SATA 6 Gb/s ports support RAID 0, 1 and 10 for both NVMe and SATA drives. The single x16 slot limits multi-GPU setups, and the lone x1 slot restricts additional expansion cards.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $83.99
Cheaper than about 81% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameGIGABYTE
Model nameB650M K
Processor
ProcessorRyzen 7000 Series
CPU socketAM5
ChipsetAMD B650
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryDDR5 5200/4800/4400
Max supported RAM128 GB
Memory channelsDual Channel
ECC supportNon-ECC
Storage
SATA ports4 x SATA 6Gb/s
SATA and RAID supportRAID 0, RAID 1, and RAID 10 support for SATA storage devices
Additional RAID controllerRAID 0, RAID 1, and RAID 10 support for NVMe SSD storage devices
Audio & video
Audio chipRealtek Audio CODEC
Sound channels7.1 Channels
Connectivity
Ethernet controllerRealtek 2.5GbE LAN chip (2.5 Gbit/s/1 Gbit/s/100 Mbit/s)
Maximum network speed2.5 Gbit/s
Ports & slots
PCIe 4.0 x16 slots1 x PCI Express x16 slot, supporting PCIe 4.0 and running at x16
PCIe x1 slots1 x PCI Express x1 slot, supporting PCIe 3.0 and running at x1
Rear panel ports1 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
Onboard USB headers1 x USB Type-C header, with USB 3.2 Gen 1 support
1 x USB 3.2 Gen 1 header
1 x USB 2.0/1.1 header
Power
Power connectors1 × 24-pin ATX main power connector
1 × 8-pin ATX 12 V power connector
Size & build
Form factorMicro ATX
Width and length9.6 in × 9.6 in
Compatibility
Windows 11 supportSupported
More details
LightingRGB

Questions about this item

Do I need DDR5 memory modules for the four 288-pin slots?

Yes, the board only accepts DDR5 DIMMs at 5200, 4800 or 4400 speeds, up to 128 GB total in dual-channel mode.

Can I keep my PCIe 3.0 add-in card in the x1 slot?

The x1 slot runs at PCIe 3.0 x1, so a PCIe 3.0 card will work at its rated speed.

How do I confirm the 2.5 GbE LAN is active after build?

Check the adapter speed in the OS network settings; it should report 2.5 Gbps when connected to a 2.5 GbE switch or router.

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