What's the difference between B450 and B450M?
Matthew Underwood
Updated on June 02, 2026
While both boards have support for DDR4-3466 right from the get-go, the B450 Gaming Plus has a total of four RAM slots giving a maximum supported capacity of 64 GB, whereas the B450M Gaming Plus has two slots allowing for a total capacity of up to 32 GB of system memory.
Simply so, is B450 and B450M the same?
First up is the B450 and B450M Gaming Plus models which aside from sharing similar aesthetics and feature set, the B450 Gaming Plus is full sized ATX, whereas the B450M Gaming Plus conforms to the slightly smaller microATX form factor.
Beside above, what motherboard is better than B450? For the PCIe interface, the newer AMD B550 has a huge advantage over the AMD B450. The AMD B550 features PCIe 4.0, which is twice as fast as the PCIe 3.0 on the AMD B450. PCIe 4.0 allows a data rate of up to 16GT/s compared to just 8GT/s on the AMD B450.
Also asked, is B450M a good motherboard?
MSI B450M BAZOOKA is an optimal choice for bringing together a gaming PC in a micro-ATX case. For a limited budget, you can enjoy the maximum overclocking of six cores Ryzen-s along with the memory up to 3400Mhz. This is absolutely worth your money – the motherboard with the AMD B450 chipset. I highly recommend it!
Do I need to upgrade from B450?
Our advice is this: if you have a B450 motherboard and plan on upgrading to Ryzen 5000, keep the board and wait until January 2021 for the Zen 3 BIOS and upgrade then. However, if you only plan on running a 6 or even an 8-core Ryzen processor with no intention of upgrading soon, then VRM quality is less of an issue.
Related Question Answers
Is B450M Overclockable?
Short answer, no. Long answer, you could overclock it a little bit, but the new Ryzen stuff is so tuned out of the box, that all you need to do is open up Ryzen Master, and enable Precision Boost, or Auto Overclock, hit apply, and you're done.Is B450M steel legend good?
The ASRock B450M Steel Legend is for those looking for an economical yet aesthetically pleasing RYZEN AM4 socket motherboard. And it hits that brief nicely. The B450M Steel Legend has all modern connectivity for SSDs or hard drives with an Ultra M. 2 (PCIe Gen3x4), a SATA M.Does the ASRock B450 have WIFI?
No, the ASRock B450 Steel Legend motherboard does not have any inbuilt wifi. You need to use wifi network card to be able to use wifi.Does the B450 gaming plus Max have RGB?
Built on the AMD B450 chipset, the MSI B450 GAMING PLUS MAX AM4 ATX Motherboard supports 3rd generation AMD Ryzen processors with the AM4 socket.MSI B450 GAMING PLUS MAX Specs.
| Expansion Slots | 1 x PCIe 3.0 x16 1 x PCIe 2.0 x16 4 x PCIe 2.0 x1 |
|---|---|
| LED Header | 1 x RGB |
| Diagnostics | Clear CMOS |
How many m 2 slots does ASRock B450 have?
Specifications| Product Name | ASRock MB B450 PRO4 AMD Ryzen B450 AM4 Max.64GB DDR4 M.2 PCIE ATX Windows 10 |
|---|---|
| Onboard Video | On-board Video Chipset |
| RAID Supported | Yes |
| Number of Total Expansion Slots | 6 |
| Number of PCI Express x16 Slots | 2 |
Is B450M a Matx?
The B450M Gaming Plus AM4 Micro-ATX Motherboard from MSI is built on the AMD B450 chipset, supporting AMD Ryzen series processors with an AM4 socket. It has two RAM slots that can hold up to 32GB of dual-channel DDR4 memory at speeds of up to 3466 MHz when overclocked.Is B450 future proof?
Yes and no. If you buy a b450 or X470 out of the box it will not work. You will need to update the bios with an older gen CPU to get it working with the Ryzen 5 3600x.What is the cheapest B450 Mobo?
Asrock B450M-HDV Currently the most affordable B450 boards are coming in at $70, while the cheapest B350 boards are only $10 less. Right now Asrock, MSI and Gigabyte all offer entry-level boards, Asus does as well but in typical Asus fashion their version costs over 30% more with no justification for the premium.Is X570 better than B450?
This makes the X570 the clearly superior option for gamers who want performance or enthusiast levels of graphics. A big difference between these chipsets is their compatibility, which actually leans in favor of the B450.What is the best motherboard for Ryzen 5 3600?
The Best Motherboards for Ryzen 5 3600 You Can Buy Today- Asus ROG Crosshair VIII Formula (Image credit: Amazon)
- ASUS ROG Strix X570-E Gaming (Image credit: Amazon)
- MSI MEG X570 ACE (Image credit: Amazon)
- MSI B450 TOMAHAWK MAX (Image credit: Amazon)
- MSI MPG X570 GAMING PLUS (Image credit: Amazon)
Which motherboard is best for Ryzen 5 3400g?
Our Recommendations for Ryzen 5 3400g Motherboard| Awards | Motherboards |
|---|---|
| Best Mid-Range Motherboard | MSI B450 Tomahawk MAX |
| Best RGB Fusion Support Motherboard | Gigabyte B450M DS3H |
| Mid-Range Best Gaming Motherboard | MSI MPG X570 Gaming Plus |
| Gaming Motherboard with Comprehensive Cooling | TUF Gaming X570-Plus |
Is B450 still worth it 2021?
Overall, while the B550 chipset brings lots of upgrades, buying a B450 board in 2021 is still reasonable. If you don't need PCIe 4.0 support, are fine with one M. 2 slot, and don't plan on getting the 3900X or the 5900X you'll be fine with a quality B450 board.What RAM does B450 support?
MSI B450 Gaming Plus Specs| Memory Slots | 4 x 288-Pin |
|---|---|
| Memory Support | DDR4 1866, 2133, 2400, 2667, 2800, 2933, 3000, 3066, 3200, 3466 MHz |
| Maximum Capacity | 64 GB |
| Channel Architecture | Dual Channel |
| ECC Support | Non-ECC, ECC (Non-ECC Mode) Unbuffered |
Is AMD B450 good for gaming?
Gaming on the B450-F is a delight, and you can run all the latest games at their highest settings, with the only limitation coming from your GPU and CPU setup. If not for a few overclocking and extra PCI Express lanes, there is practically no difference between the B450 and the X470 chipsets.Are Ryzen 5000 motherboards compatible with B450?
AMD encourages motherboard makers to make their B450 motherboards compatible with the new Ryzen 5000 series CPUs. These CPUs are an AM4 part, so will be plug compatible with the 400–500 series motherboards.Does B450 support Ryzen 3600?
Yes, the 3600 is compatible with ALL B450 motherboards, which “Ryzen 3000 series ready” is now standard on all B450 motherboards from most reputable brands.Is X570 faster than B550?
The additional PCIe lanes provided by the chipset also operate at 4.0 speed in the X570, though, while they are only PCIe 3.0 on B550. That also means the interconnect between the chipset and the Ryzen processor is only operating at PCIe 3.0 speed on B550, while it is the faster PCIe 4.0 on X570.Which AMD chipset is best?
What is the best AMD motherboard chipset? The AMD X570 is the latest motherboard chipset for Ryzen 5000-series processors and therefore has the most up to date features. It offers PCIe 4.0 support, dual-GPU configurations, and a wealth of tweaking and compatibility options.Is it worth going from B450 to B550?
Your system won't be any faster if you switch from B450 to B550 and it's not worth it only for PCIe gen 4. It won't prevent BSOD's because most of the time this isn't a motherboard issue and even if it is, worst case scenario you have a 3 years warranty on your motherboard.Will B450 support Ryzen 6000?
AMD has leaked its socket design for Zen 4 and it is totally different. The next generation will feature an LGA socket rather than a PGA socket. Ryzen 6000 seems to be for Zen3+, which will probably still run on AM4: as such , X570(S) and B550 should still support them. X470 and B450 are up in the air though.Will 5600x work on B450?
B450 Motherboards and X570 should work just fine with the Ryzen 5 5600. Like all Ryzen CPUS however, AMD has to work on releasing a BIOS update and then notifing their users that its available.Does Ryzen 5000 support motherboard?
The main requirement for your PC to run a Ryzen 5000 processor is a compatible motherboard. AMD has confirmed that its last two generations of motherboard will be supported, meaning both the 500 (X570, B550) and 400 (X470, B450) series will both work fine.What CPUs does B450 support?
58 Compatible Products| Name | Core Count | Core Clock |
|---|---|---|
| AMD Ryzen 9 3900X (258) | Core Count 12 | Core Clock 3.8 GHz |
| AMD Ryzen 3 3200G (61) | Core Count 4 | Core Clock 3.6 GHz |
| AMD Ryzen 5 1600 (12nm) (44) | Core Count 6 | Core Clock 3.2 GHz |
| AMD Ryzen 5 3600X (180) | Core Count 6 | Core Clock 3.8 GHz |
