Gigabyte B550M K Ultra Durable B550M-K-rev-10 AMD B550 Ryzen Socket AM4 Micro-ATX Desktop Motherboard

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Gigabyte B550M K Ultra Durable B550M-K-rev-10 AMD B550 Ryzen Socket AM4 Micro-ATX Desktop Motherboard

Product ID: 43881

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Lead time before dispatch; 2 - 5 business days

5 Review(s) | Add Your Review

- Micro-ATX Form Factor
- AMD B550 Chipset
- Socket AM4
- Supports Ryzen 5000/5000G, 4000G, 3000-Series Processors
- 4x DDR4 DIMM Slots, Supports Up to 128GB
- Supports up to DDR4-4733 (OC)
- 1x PCIe 4.0 x16 Slot
- 1x PCIe 3.0 x1 Slot
- 1x M.2 2280 PCIe 4.0 x4 NVMe SSD Slot
- 1x M.2 2280 PCIe 3.0 x2 NVMe SSD Slot
- 4x SATA 3.0 Ports
- 4x USB 5Gb/s Type-A Ports
- 4x USB 2.0 Type-A Ports
- 1x DisplayPort 1.4, 1x HDMI 2.1
- 3x 3.5mm Audio Jacks (Line Out, Line In/Center, Microphone)
- 1x PS/2 Combo Port (Keyboard, Mouse)
- Realtek Gigabit Ethernet RJ-45 LAN
- Realtek High-Definition Audio Codec
- Gigabyte Embedded M.2 Slot Clips
- Gigabyte APP Center Utility
- Supports Windows 10, Windows 11 64-bit
- 3 Year Warranty

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Product Description
Additional Information
Reviews (5)
Questions (0)

Product Description

SPECIFICATIONS
Brand	Gigabyte
Series	Ultra Durable Series
Model	B550M K Ultra Durable (B550M-K-rev-10)
CPU Support	Supports AMD Ryzen 5000 Series, 5000 G-Series, 4000G-Series, and 3000 Series processors
Chipset	AMD B550 Chipset
Memory Support
AMD B550 Chipset	4x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory
	Support for DDR4 4733(O.C.) / 4600(O.C.) / 4400(O.C.) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3733(O.C.) / 3600(O.C.) / 3466(O.C) / 3400(O.C.) / 3200 / 2933 / 2667 / 2400 / 2133 MHz memory modules
	Dual channel memory architecture
	Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (Support varies by CPU)
	Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
	Support for Extreme Memory Profile (XMP) memory modules
Video
DisplayPort	1x HDMI 2.1 port, supports a maximum resolution of 4096x2160 @ 60Hz, Support HDCP 2.3 & HDR
HDMI	1x DisplayPort 1.4, supports a maximum resolution of 5120x2880 @ 60Hz, Support HDCP 2.3 & HDR
Expansion Slots
CPU Direct	1x PCIe 4.0 x16 Physical, x16 Electrical Slot
AMD B550 Chipset	1x PCIe 3.0 x1 Physical slot
Storage
CPU Direct	1x M.2 2280 PCIe 4.0 x4 NVMe SSD Slot (PCIe Gen 3 with Ryzen 5000G / 4000G Series
AMD B550 Chipset	1x M.2 2280 PCIe 3.0 x2 NVMe SSD Slot
	4x SATA 6Gb/s connectors
	Support for SATA RAID 0, RAID 1, RAID 5, and RAID 10
Networking
LAN	Realtek Gigabit LAN 10/100/1000Mb/s
WiFi	N/A
Bluetooth	N/A
Audio
Codec	Realtek High-Definition Audio Codec
Codec	Support for 7.1 Surround with front-panel jack retasking
Connectivity
Ports	1x PS/2 keyboard/mouse port
	1x DisplayPort 1.4
	1x HDMI 2.1 port
	4x USB 3.2 Gen 1 Type-A ports
	4x USB 2.0/1.1 Type-A ports
	1x RJ-45 port
	3x audio jacks
Buttons	N/A
General
Internal Connectors	1x 24-pin ATX main power connector
	1x 8-pin ATX 12V power connector
	1x CPU fan header
	1x system fan header
	2x M.2 Socket 3 connectors
	4x SATA 6Gb/s connectors
	1x front panel header
	1x front panel audio header
	1x USB 3.2 Gen 1 header
	1x USB 2.0/1.1 header
	1x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)
	1x Clear CMOS jumper
I/O Controller	iTE I/O Controller Chip
LED Displays	N/A
BIOS	1x 128 Mbit flash
	Use of licensed AMI UEFI BIOS
	PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0
Form Factor	Micro-ATX Form Factor, 244 x 244 mm (H x W)
Operating System Support	Windows 10 64-bit
Operating System Support	Windows 11 64-bit
Warranty Information
Warranty	3 Year Warranty

Manufacturer's Site	Visit the manufacturer's website
Product Link	Visit the manufacturer's page for this product

Additional Information Reviews (5)

Basic board with great value. - Jack, 23 July 2026

This is a great board. It's the cheapest board I could find with 4 DIMM slots and 2 M.2 slots. It has no premium features; it doesn't even have an ARGB header, so it's basic, but it does everything it advertises. My 5600 and 16GB of RAM were plug-and-play. It came without the standard manual (or an online one), but everything you need to know is etched on the board itself. The connector spacing is convenient, considering this is an M-ATX board. My previous ASRock M-ATX's connectors were so on top of each other that I struggled to get everything plugged in. I'm really happy with this board and would recommend it to anyone who values utility over aesthetics.
Boss Board - Louw, 1 July 2026

For the price this board does everything I need it to and more. It accepted my CPU and RAM without needing to update the BIOS. Even as I went from Intel to AMD, this board configured everything I needed to not only run my old installation of Windows 11 but it did so without me needing to step in. My only complaint is a single SATA cable and no piezo speaker included.
Decent, depends on your needs. - Kyle, 15 May 2026

Pros (that are not standard for B550): 2 NVMe slots and lots of IO options (PS2 in 2026??)
Cons: only 1 system fan header is abysmally low for a B-class board. My B450M before this had 3. Make sure your fans have daisy chains...

Adding to other reviews
I had no issue with XMP (3200MT/s), not sure what happened to him.
I would also recommend plugging in the CPU power before doing much else, regardless of the cooler.

Overall, it's a decent board, but I may recommend others over this for people that don't need 2 NVMe slots (my MSI B450 was more modern and customisable)
Does not support 3000MHz RAM - Labeeq, 4 April 2025

Does not support 3000MHz RAM and does not have a built in buzzer speaker for beep code diagnosis it does however have 4 dimm slots and 2 NVME which is good for the price you paying
Small but works - Jarred, 5 December 2024

So went with this board after my 4th replacement ASUS board (not from wootware) died out of warranty so ended up going with this one praying that my diagnosis was correct. Installed everthing including the new ID-Cooling FROZN A610 cooler which is very big on a really small board, dont recommend doing this unless you have a modular power supply which I have never been so glad to have. I ended up having to plug the power for the CPU in before fitting the board into my case as it was impossible do inside the case with the cooler installed.