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โก Power your pro-level build with MSIโs Ryzen-ready mini-ITX marvel!
The MSI B450I Gaming Plus AC is a compact Mini-ITX motherboard designed for AMD Ryzen 1st to 3rd Gen processors, supporting up to 32GB of high-speed DDR4 RAM at 3466 MHz. It features a single M.2 slot for ultra-fast NVMe SSDs, multiple display outputs including DisplayPort and HDMI supporting up to 4K resolution, and customizable RGB lighting with Mystic Light Sync. Ideal for professionals and gamers seeking a powerful, space-saving motherboard with modern connectivity and vibrant aesthetics.

| ASIN | B07F83RY49 |
| Box Contents | Motherboard |
| Brand | MSI |
| Brand Name | MSI |
| CPU Model | Athlon |
| CPU Socket | Socket AM4 |
| Chipset Type | AMD B450 |
| Compatible Devices | 1st, 2nd and 3rd Gen AMD Ryzen / Ryzen with Radeon Vega Graphics / 2nd Gen AMD Ryzen with Radeon Graphics, DDR4 RAM with maximum capacity of 32GB at 3466 MHz Compatible Devices 1st, 2nd and 3rd Gen AMD Ryzen / Ryzen with Radeon Vega Graphics / 2nd Gen AMD Ryzen with Radeon Graphics, DDR4 RAM with maximum capacity of 32GB at 3466 MHz See more |
| Compatible Processors | AMD 1st Gerenration Ryzen |
| Country of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 1,038 Reviews |
| DriveMemory Storage Capacity | 32 GB |
| Global Trade Identification Number | 00824142168066 |
| Graphics Card Interface | PCI Express |
| Item Type Name | Motherboard |
| Item Weight | 689 Grams |
| Main Power Connector Type | 24-Pin |
| Manufacturer | MSI, MSI |
| Manufacturer Contact Information | MSI |
| Manufacturer Part Number | B450I GAMING PLUS AC |
| Memory Clock Speed | 3466 MHz |
| Memory Slots Available | 2 |
| Model Name | B450I GAMING PLUS AC |
| Model Number | B450I GAMING PLUS AC |
| Number Of Ports | 10 |
| Platform | Windows 10, Windows 7 |
| Processor Socket | Socket AM4 |
| RAM Memory Technology | DDR4 |
| Ram Memory Maximum Size | 32 GB |
| S/PDIF Connector Type | Optical |
| System Bus Standard Supported | SATA 3 |
| Total HDMI Port | 1 |
| Total USB Ports | 2 |
| UPC | 824142168066 |
| USB 2.0 | 2 |
M**S
Good mobo but old bios stock
Good motherboard but seller ship old stock. Without updated bios.
K**E
Tiny Board Jam Packed With Features
I've been a fan of MSI for a long time and have built many computers using their boards. This board did not disappoint. I've been using a laptop for a while and it has been unable to keep up very well and had started to freeze randomly, so it was time to build a new desktop. I wanted something small that would take up very little room and had on board Wifi + Bluetooth. I found this board from MSI and was confident it would be just fine. I was surprised at how small this board really is and how much stuff they've managed to stuff on it. Installing and plugging in everything was pretty painless, although you'll need to plug things in working outward on the board. Otherwise if you plug something in on the outer edge of the board first it will be difficult to plug in something behind it because the plugs are all so close together. My biggest challenge was cable management, but that isn't an issue with the motherboard it's just an inherent issue with making a computer this small in a small case. Another great feature of this board is that it has an M.2 connector so you can connect an NVMe SSD drive. Boy is this thing fast. Windows boots up super fast and starting programs is almost instantaneous (some may take a second to load). Booting up for the first time was hassle free and messing around in the BIOS was easy and was able to set all of my settings to my liking. System has been running smoothly ever since. WiFi and Bluetooth worked upon Windows installation. Another solid Motherboard from MSI.
A**R
Needs bios update for Ryzen 3000
The m/b needs a bios update before it can be used with Ryzen 3000 CPU. There is no onboard bios flashback so it requires an earlier generation AMD processor to complete the update. It is my first non-Intel build so I needed to take it to a local computer shop (or find a friend who will loan you one) for update. $20 charge, not an issue. Works perfectly after that. Had to enable X-AMP in the bios to have 3200 cl16 memory recognized (started at 2133) but no issues after that.
S**2
Works with Ryzen 3600 out of the box
After ordering this I saw a lot of reviews and many people noted that it did not work with Ryzen 3. So I was worried that would be the case with my purchase as well. Fortunately it did work out of the box with my Ryzen 3600 with motherboard Bios 7A40vAA. However, there was nothing stating that it would work and I didn't know until I powered it up for the first time. On the box it stated "AMD Ryzen desktop 2000 ready" and nothing more. Why couldn't they put a sticker on the box or motherboard stating that the BIOS had been upgraded and that it would work with Ryzen 3?
R**.
I love it
It's a very good solid motherboard for AMD CPUs. It works with AMD 3000 series if you update the motherboard to the newer BIOS versions. Ideally sellers should update the BIOS to the latest version before shipping it out but I guess they didn't do that to keep the cost low. Even if you get one with old BIOS, you can borrow a bootkit from AMD Singapore so that you can upgrade the board to the latest BIOS or just get that $50 (SGD79) AMD Athlon 200GE CPU.
A**R
Incredible Little Powerhouse
Sub $200 ITX motherboard that tanks Ryzen 3700X and 3800mhz CL16 RAM OC like a champ? Sign me up. There is a lot of buzz about MSI b450 motherboards malfunctioning, but I personally never had an issue with mine. Flashed beta bios with previous gen CPU and the rest was plug and play. If you don't need a bling factor for your system and just need good raw power for affordable price, this board is it, crew.
Trustpilot
1 week ago
5 days ago