GIGABYTE B550M K

GIGABYTE B550M K AM4 Micro-ATX DDR4 128 GB Motherboard

Gigabyte Motherboard $83.99

Compare seller pricing, scan the quick specs, and size this part up before adding it to your next build.

SocketAM4

ChipsetB550

Form FactorMicro-ATX

MemoryDDR4

Retailer links open in a new tab. Pricing can change quickly, so treat this page as a shortlist and confirm the final price with the seller.

Retailers

Live seller links for quick price checks.

PC Builder may earn a small commission when you buy through links on our site.

Prices and availability can change without notice and are confirmed at checkout with the seller.

The GIGABYTE B550M K is a Micro-ATX motherboard for AM4. It supports DDR4 memory up to 4733 MT/s (OC).

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

Manufacturer	GIGABYTE
Model Number	B550M K GA-B550M-K
Launch Date	February 2023
CPU Socket	AMD Socket AM4
Chipset Model	Intel B550
Board Size / Form Factor	Micro-ATX
Supported Memory Type	DDR4
DIMM Slots	4
Maximum RAM Capacity	128 GB
Valid DDR4 Speeds	DDR4-2133 / DDR4-2400 / DDR4-2666 / DDR4-2933 / DDR4-3200 / DDR4-3400 / DDR4-3466 / DDR4-3600 / DDR4-3733 / DDR4-3866 / DDR4-4000 / DDR4-4133 / DDR4-4266 / DDR4-4400 / DDR4-4600 / DDR4-4733 (OC)
ECC Memory Support	No
Expansion Slots (PCIe)	1 × PCIe x16, 1 × PCIe x1
PCIe x16 (Qty)	1
PCIe x4 (Qty)	0
PCIe x1 (Qty)	1
M.2 Slot Count	2 × M.2
M.2 Device Compatibility	2280 - M Key, 2280 - M Key
SATA III Ports	0 × SATA 6Gbps
SATA Express Ports	0
Wired Networking (LAN)	GbE LAN
Onboard Wi-Fi	No
Wi-Fi Standard	N/A
Rear-Panel USB	USB 3.2 Gen1, USB 2.0
Internal USB 3.2 Gen 2x2 Headers	0
Internal USB 3.2 Gen 2 Headers	0
Internal USB 3.2 Gen 1 Headers	1
Internal USB 2.0 Headers	1
NVIDIA SLI	No
AMD CrossFire	No
RAID Capability	Yes
Back-Connect Layout	No
Manufacturer Part Number (MPN)	B550M K
SKU Code	B550M K
GTIN / EAN	889523036006