🚀 Power your Ryzen build with speed and style — don’t get left behind!
The GIGABYTE B550M K is a Micro-ATX motherboard engineered for AMD Ryzen 3000 to 5000 series processors, featuring PCIe 4.0 support, dual M.2 NVMe slots, and Smart Fan 5 thermal controls. It offers a robust 4+2 phase power design, DDR4 memory compatibility with AMD EXPO support, and convenient Q-Flash Plus BIOS updates without hardware installed. Ideal for professionals and gamers seeking a compact yet high-performance platform that balances cutting-edge connectivity and reliable stability.
























| ASIN | B0BTTZFQTP |
| Best Sellers Rank | #18 in Computer Motherboards |
| Brand | GIGABYTE |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,411) |
| Date First Available | February 2, 2023 |
| Item Dimensions LxWxH | 10.43 x 10.43 x 2.12 inches |
| Item Weight | 1.68 pounds |
| Item model number | B550M K |
| Manufacturer | GIGABYTE |
| Memory Speed | 3200 MHz |
| Number of USB 2.0 Ports | 4 |
| Processor | others |
| Product Dimensions | 10.43 x 10.43 x 2.12 inches |
| RAM | DDR4 |
| Series | B550M K |
B**S
The motherboard that tries very hard to act like a full size board... almost does it! :D
This Micro ATX board shows up looking modest but clearly ready to run the whole house like an overconfident teenager. The design is clean, compact, and packed tightly enough that anyone installing it might mutter to themselves a few times. Still, the layout is mostly intuitive and the labeling is clear enough that nobody has to pull out a magnifying glass. It supports AM4 CPUs effortlessly, snapping them into place like it is welcoming old friends. Performance is where it flexes, offering dual M.2 slots that practically beg users to fill them with fast storage. The built in AC WiFi is a nice touch, even if it sometimes behaves like it is taking a short nap before connecting. The VRMs do their job well for normal to moderate workloads, though no one should expect them to moonlight as cooling champions. It stays stable once set up, which is half the battle with any motherboard. Installation is fairly smooth unless someone's case is a cramped shoebox pretending to be a gaming tower. The SATA ports angle awkwardly for large hands, which might inspire some creative language during cable management. Still, everything locks in securely, and the BIOS is simple enough that it avoids causing emotional damage. Once booted, the board feels reliable and responsive. Some limitations are expected, such as fewer expansion options and a layout that occasionally feels like a puzzle with too many corners. The included WiFi antenna works fine unless it is pointed in a questionable direction... in which case it pretends signals do not exist. Despite these quirks, the board delivers solid value and dependable performance for everyday and gaming builds. :D Excellent Things 👍 Clean layout for a Micro ATX board 👍 Dual M.2 slots for extra speedy storage 👍 Built in AC WiFi that avoids needing add ons Unworthy Things 👎 SATA placement is slightly chaotic 👎 WiFi sometimes feels sleepy 👎 Limited expansion due to its compact size
O**A
Excellent motherboard — my PC is now super fast! 🚀
⭐⭐⭐⭐⭐ I recently installed the GIGABYTE B550M K, and the difference was immediate. I used to have my Ryzen 5 on an A320HM motherboard, and even though it worked, it didn’t let the CPU reach its full potential. After switching to this one, my PC runs much faster and more stable. What I like the most is that it’s the right board for AM4 processors, with great build quality and a very reasonable price. It allowed me to complete the mid-range PC I wanted without spending too much, and everything worked perfectly from the first boot. It also has two M.2 slots, which is great if you want a fast SSD. Plus, the Micro-ATX format fits nicely in my small case while leaving room for everything I need. In short, this was an excellent purchase — it does exactly what it promises and gave my computer a whole new life. 💯 Definitely a 5-star product!
D**.
Great Buy for a Budget 1440p PC
This motherboard is pretty solid! I grabbed the GIGABYTE B550M DS3H AC R2 on Black Friday, and honestly, for the price, it's a solid 5/5. Worth every penny. It comes with some nice things for a micro-ATX board, like having two M.2 slots, which is really convenient for all your SSD storage. It’s got a decent power setup and plenty of headers for fans and RGB stuff, which is always a plus when you're building. It includes Bluetooth 5.0 and WiFi 5, and the wireless is totally fine for just daily browsing. But let's be real, with a max speed of 433mbps (I'm seeing about 300mbps), it's a downside when you're trying to download massive games, that just isn't cool. Thankfully, the 1Gbit wired connection can handle the heavy lifting. I really wish they'd sprung for WiFi 6, though. I've also got mixed feelings on the USB-C setup: you get the internal header for a case with a front USB-C port, but there's no actual USB-C port on the back. Weird, right? Even with those two little quirks, it was an absolutely stellar deal at the Black Friday price, and I highly recommend it, especially if you can find it on sale.
D**N
Gets the job done
Everything works on it would have gotten a nicer board if I knew it didn't have USB c, but it's good for the money and does it's job
K**.
Reliable Mid-Range Motherboard with Great Value
Plenty of USB ports and expansion slots for a compact board — everything connects cleanly without crowding. The built-in heatsink does a solid job keeping temps down, and overall build quality feels premium for its price range. Sound output is clean, and compatibility with Ryzen parts was smooth from the start. A well-balanced, reliable motherboard that punches above its class.
S**.
Works great! Don’t recommend non-wifi
really good quality but I should have just gone for the wifi and bluetooth one those are definitely better.
A**R
Avoid this board! You may have purchased an intentionally limited board without knowing!
Please do NOT purchase this particular board. I purchased this board and was having problems with performance with my rtx 3090. I'm talking busted FPS stuttering and screen tearing. bios options allowed for switching the PCIE lane from 16x 2x8, etc, but nothing solved the problem. It turns out there are RETAIL and OEM versions of this board, and I was sent an OEM version (Y1). If you are having GPU performance problems with your system and this board, check what version it is! The OEM version, Y1 in the upper right corner of the board only has a 1x slot at the top, not the advertised 16x, even though it LOOKS like a 16x slot. My GPU was starving for bandwidth! There is no way to tell unless you deep search in Google and find this unique problem on its Y1 boards. I should never have been sent a Y1 board, and now the return period is over. But who in the world would think that their PCIe lane was crippled from shipping? Everything else works fine, but when you run lspci -vv, or lspci -t, it will show you your GPU is connected to a branch of the lane, not the root of the lane . . . . a fraudulent scam. Even on gigabyte's website, they show Y1 board images, but that is not the one you should get. Avoid gigabyte for this bait and switch tactic. this was the third gigabyte motherboard I had purchased in as many years of of amazon, but gigabyte no longer. Not their GPUs, not their boards, nothing until this deceiptive marketing is over.
W**N
My son is not having any issues at all with this PC. Good all around AM4 motherboard.
S**L
Worst item I have ever received in my life. Do not recommend buying since it has crud, bugs and dust all over it!
N**.
Depois de mais de um ano, posso dizer que essa placa realmente é otima!! Me atende super bem, vou ficar com ela mais uns 2 anos pelo meno.. Melhor Placa da plataforma AM4 para se ter hoje.
K**U
特に不具合なく動作しています。価格も安いので、コスパよくパソコンを組みたい方にオススメです。
D**O
todo en orden como lo esperaba y muy feliz con mi compra :) funcionado al 100
Trustpilot
5 days ago
2 weeks ago