Best B450 Motherboard For AMD Ryzen In 2021

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Best b450 Motherboards

AMD has emerged with its recent B450 chipset, particularly for 2nd generation AMD Ryzen processors depending on the AM4 Socket. This is the secondary chipset in the AMD 400 sequence chipsets for AM4 socket mainframes.

Till now, we had just X470 chipset, which is a top-notch chipset for first-generation Ryzen CPUs and AMD Ryzen 2000 series.

AMD X470 motherboards are capable of supporting many of the latest and advanced features such as StoreMI technology, XFR 2 Enhanced, and Precision Boost Overdrive that was previously not supported by the AMD 300 series motherboards.

The latest AMD B450 chipset aims at mainstreaming subdivision and supporting recent features and overclocking. AMD motherboards centered on the X470 chipset are relatively costly, and you might not be able to afford if you are looking for budget-friendly mid-range gaming PC with Ryzen 2nd generation processors.

This won’t be a concern anymore since B450 chipset comes under the category of mid-range. Motherboards founded on B450 comes cheaper compared to the ones that rely on the X470 chipset. You can conveniently build a powerful financial plan to mid-range gaming PC using Ryzen 2000 series processor and B450 motherboard.

In this all-inclusive buyer’s guide, we have listed the best B450 motherboards to provide you ultimate gaming experience.

Best B450 Motherboards Comparison Chart


Product Name

 Form Factor

Expansion Slots

Max Ram Memory


Item Dimensions


Small product image of MSI B450 Gaming Pro Carbon AC

 MSI B450 Gaming Pro Carbon AC


2 x PCI-E X16, 6 x SATAIII, M.2 SLOT, 3 x PCI-E X1

Supports 64GB Dual Channel DDR4 Memory


9.6 x 12 x 1 in

Audio Boost & X-Boost

Asus ROG Strix B450-F Gaming


2 x PCIe 3.0 x16, 1 x PCIe 2.0 x 16 (max. @ x4) 3 x PCIe 2.0 x 1

64GB, DDR4


12 x 9.6 x 1.5 in

Pre-mounted I/O Shield
GameFirst IV

Small product image of Gigabyte B450 AORUS M

Gigabyte B450 AORUS M


1*PCIe 2.0 x4 + 1*PCIe 2.0 x1

Dual Channel And DDR4 3200 (OC) up to 64GB


15 x 12.25 x 4.22 in

Smart Fan 5 with FAN STOP, Audio Noise Guard

Small product image of MSI B450M BAZOOKA Motherboard



DIMM x 4, PCI-E x16 x 1, PCIe x1 x 2, M.2 x 1

Supports 64GB Dual Channel DDR4 Memory


1.05 x 4.55 x 4.57 in

Lightning Fast Game experience: 1x TURBO M.2, Store MI technology

MSI B450I Gaming Plus AC


1 x PCI-E X16,
4 x SATAIII, 1 x M.2 SLOT

Supports 32GB Dual Channel DDR4 Memory


6.7 x 6.7 x 2.56 in

 Audio Boost, Gaming heatsinks

Small product image of ASUS ROG STRIX B450-I GAMING



1 x PCIe 3.0 x16 (@ x16)

Supports 32GB Dual Channel DDR4 Memory


1 x 1 x 1 in

Intel Integrated Ultra Wi-Fi support

Best B450 Motherboard

1- MSI B450 Gaming Pro Carbon AC (Best Atx)

MSI B450 Gaming Pro Carbon AC

– Specifications:

  • Socket: AM4
  • Chipset: AMD B450
  • Form Factor: ATX
  • Dimensions (W x H x D): 9.6 x 12 x 1 in
  • Features: DDR4-3466 OC RAM support, Gold-plated audio jacks, Audio Boost, Intel Gaming LAN, 2x M.2 slots, Extended heatsink design, MSI Mystic Light, Front USB 3.1 Type-A, DDR4 Boost, and 2-way AMD CrossFire.

– Advantages:

  • Unmatched performance from the price point
  • Good overclocking potential
  • Effective cooling for VRMs
  • Feature efficient and nicely-laid out UEFI

– Drawbacks:

  • Power-hungry in indolent
  • Restricted storage interface options

You might be thinking who build the ultimate AMD B450 motherboard? Well, the answer is simple – the MSI B450 Gaming Pro Carbon. It is regarded as one of the best b450 motherboards priced under $$.

Subsequently, MSI has achieved to outperform with this one. It’s an improved board and certainly, a better buy compared to most X470 models such as X470 Gaming Pro and X470 Gaming Plus. MSI B450 Pro Carbon comes with a 4+2 phase VRM.

Also, cooling on this motherboard works quite effectively, and it is capable of supporting a bigger heatsink. It cannot be encroached upon by a plastic shroud. For those who wonder, the B450 Pro Carbon uses the RT8894A regulator and comes with a total of 8 semiconductor 4C029 fets and eight low-side 4C024 fets.

It’s a 4 phase Vcore VRM with no doubler. However, the MSI B450 motherboard lacks voltage offset support in the BIOS. Other than this, MSI has productively developed the decisive B450 motherboard with an excellent B450 Gaming Pro Carbon.

– Our Verdict:

In our opinion, MSI B450 is a better buy since it comes cheaper and with advanced features. You can easily get Intel dual-band Wireless-AC and Bluetooth 5.0. There are only two things that you may not likely miss includes two SATA ports and a third PCIe x16 slot. Overall, this motherboard is a Real Steal.

2- Asus ROG Strix B450-F Gaming (Best Atx)

Asus ROG Strix B450-F Gaming

– Specifications:

  • Socket: AM4
  • Chipset: AMD B450
  • Form Factor: ATX
  • Dimensions (W x H x D): 10.8 x 13.3 x 2.7 in
  • Features: DDR4-3200 support, AI Suite 3, Gigabit LAN, FanXpert 4, SupremeFX S1220 audio, Dual NVMe M.2, USB 3.1 Gen2, 5-way optimization, Pre-mounted I/O shield and Aura Sync RGB.

– Advantages:

  • Tweak-friendly ROG UEFI
  • Enhanced DRAM overclocking
  • Comes with SupremeFX Audio
  • Switchable southbridge sticker
  • Overclocks 2700X without any problem

– Drawbacks:

  • Lack of some power/reset buttons and POST LED
  • A little disturbing BIOS oversights

If budget is not a concern for you and you require somewhat more flexibility from the B450 platform, the Asus ROG Strix B450-F Gaming is certainly an excellent choice for you. Asus ROG Strix comes with four PCI Express x1 slots, three PCI Express x16 slots, and two M.2 PCI Express x4 slots so you can have adequate capacity for expansion.

This motherboard incredibly serves the gaming enthusiasts since there isn’t any RGB overload. You can enjoy the lighting effects on the VRMs along with the chipset heatsink. The model is best suitable for automatic overclocking through XFR and AMD’s Precision Boost compared to the manual overclocking in this context.

You will find sufficient headers to choose for your lighting strips if required. Asus ROG Strix B450-F Gaming is capable of supporting up to 64 GB of DDR4-3200 memory. When it comes to audio, the SupremeFX audio offers sufficient isolated distortion-free audio with the Nichicon audio capacitors that significantly assist in generating a clean and clear output.

Gaming on the Asus ROG Strix B450-F Gaming is a real delight, and it helps you operate the recent games at their highest settings with the restricted coming from the CPU and GPU system. It’s a standard motherboard which helps users find some essential features such as XMP settings and manual core voltage settings.

Though, the latest BIOS updates have included certain missing functionality. If you are searching for absolute control over how the components operate, you may move to the high-end option. If you are not much concerned about some overclocking and additional PCI Express lanes, there makes no practical difference between the B450 and the X470 chipsets.

If you are looking for a budget-friendly motherboard with a solid foundation for any future upgrades, the Asus ROG Strix B450-F Gaming is undoubtedly the right choice. For the price, you will also get a great set of accessories and a sufficient number of expansion slots.

Lastly, if you are searching for customization options, you can also switch out the stickers on the heatsinks as per your preference.

– Our Verdict:

If you have been searching with envious eyes at the 2nd Generation of AMD Zen products, the ASUS ROG Strix B450-F makes a nice choice. It combines the performance and feature set that you must be looking forward to. All-inclusive features are covered up in a reasonably priced package. It may not work as best as full-fat X470 models, though it truly gets extremely sight closer than any model you will be expecting.

3- Gigabyte B450 AORUS M (Best Micro-ATX)

Gigabyte B450 AORUS M

– Specifications:

  • Socket: AM4
  • Chipset: AMD B450
  • Form Factor: ATX
  • Dimensions (W x H x D): 12.25 x 15 x 4.22 in
  • RAM support: Dual Channel and DDR4 3200 (OC) up to 64GB
  • Processor Support: AMD 2nd Generation Ryzen, 1st Generation Ryzen Processors and Ryzen with Radeon Vega Graphics
  • Features: Hardware monitoring, DDR4-3200 OC support, Gigabyte DualBIOS, ALC1220-VB audio codec, USB 3.1 Gen1 internal header, onboard wireless AC, 3x PCI Express x16 slots, RGB Fusion, 2x M.2 with Thermal Guard, 2x PCI Express x1 slots, and Intel GbE LAN with cFOS support.

– Advantages:

  • Support the most recent AMD 2nd Gen Ryzen CPU
  • Maintain up to 3200MHz DDR4 memory or more
  • Included M.2 SSD heatsink
  • Support AMD Crossfire
  • Equipped with a PS/2 keyboard mouse combo port

– Drawbacks:

  • Unable to support NVIDIA SLI
  • Lack of improved cooling on potential thermal throttle problem and part of the MOSFETs

Gigabyte B450 AORUS M is a beginner-level Gaming motherboard centered on the mid-range AMD B450 chipset. Since it’s a micro-ATX motherboard, it can conveniently fit in the mini or mid-tower and even in high form factor cases.

This budget-friendly gaming motherboard is equipped with all the features you can expect from a high-end motherboard. It comes with one PCIex1 slot, two PCI-E x16 graphics card slots supporting 2-way CrossFire, and an M.2 slot for securing M.2 SATA SSDs and PCIe Gen3 x4 NVMe.

Further, the model supports DDR4 RAM (3200 MHz) up to 64GB capacity. Isn’t it amazing? The motherboard maintains memory overclocking and CPU.

It features unique and essential characteristics such as Gaming LAN, RGB Fusion support, UEFI Dual BIOS, eight-channel onboard audio, Gen 2 and Gen 1 ports, Smart Fan 5 fan control software, RGB and RGBW Header, M.2 Heatsink for cooling M.2 SSD, and display ports that comprise DVI and HDMI.

To conclude this, Gigabyte B450 AORUS M is a powerful budget-friendly motherboard for a mid-ranging gaming experience using 2nd Generation Ryzen processors.

– Our Verdict:

Based on our research and experience with the Gigabyte B450 AORUS M, we can say that it’s certainly the kind of motherboard you would like to get your hands on if you are looking forward to overclocking your system to some extent.

However, the MOSFETs alone might be a concern for you that may encourage your focus to high-end motherboards. Overall, if you want to opt for a budget-friendly board that allows you to overclock the CPU, the Gigabyte B450 AORUS M should definitely make it to your selection list.

4- MSI B450M BAZOOKA Motherboard (Best Micro-ATX)

MSI B450M BAZOOKA Motherboard

– Specifications:

  • Socket Type: AM4
  • Form Factor: Micro-ATX
  • Chipset: AMD B450
  • Slots: DIMM x 4, PCI-E x16 x 1, PCIe x1 x 2, M.2 x 1
  • Ports: SATAIII x 4, USB 3.1 Gen 1 x 6, USB 2.0 x 4, PS/2
  • Display Output: DVI-D, HDMI
  • RAM support: DDR4 3466+(OC) MHz, up to 64GB, Dual Channel
  • Processor support: AMD Ryzen 1st and 2nd Generation and Ryzen with Radeon Vega Graphics Processors for Socket AM4
  • Features: DDR4 Boost, EZ Debug LED, Heavy plated gaming heatsinks, VR Ready, Gaming LAN, Audio Boost, RGB Mystic Light, 7.1 Channel Audio, PCI-E Steel Armor and UEFI BIOS.

– Advantages:

  • 4 RAM slots
  • B450 chipset
  • Upgraded audio chip and network card
  • GPU and EZ indicators for fault detection
  • Eight-pin processor power
  • Connector for RGB tape to beautify the system

– Drawbacks:

  • Does not come with a heatsink on the VRM SoC for cooling the incorporated graphics

MSI B450M BAZOOKA is another popular budget-friendly motherboard giving you an M-ATX form factor. Contrasting other motherboards, it is equipped with just a single PCI-E x16 slot and consequently does not support Multi-GPU Crossfire.

Also, it doesn’t have USB 3.1 Gen 2 ports, which may be a concern for some users. Though the motherboard works well and is equipped with Turbo M.2 slot for NVMe, two PCIe x1 slots, and SATA M.2 SSDs. Moreover, it can support DDR4 3466+(OC) MHz RAM up to 64GB.

Other essential features of this gaming motherboard include eight-channel audio, heatsinks, RGB Mystic Light support, Audio Boost, Gaming LAN, UEFI BIOS, EZ Debug LED for troubleshooting, DDR4 Boost and PCI-E Steel Armor for graphics cards.

What’s more? The MSI B450M BAZOOKA has six USB 3.1 Gen 1 along with four USB 2.0 ports to support high-end USB devices and storage. Generally, it’s a reasonable B450 gaming motherboard and is undoubtedly one of the most economical models you will find on the market.

It is best suited for creating a budget gaming PC using 2nd generation Ryzen processors or console killer gaming PC. You can also find another mATX budget gaming motherboard – the MSI B450 Gaming PLUS. Though it can only support up to 32GB RAM.

– Our Verdict:

To conclude this review, we would say that this motherboard is sure an excellent solution for the latest games. Most exciting branded “goodies: on this motherboard will make you more than satisfied. 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!

5- MSI B450I Gaming Plus AC (Best Mini-ITX)

MSI B450I Gaming Plus AC

– Specifications:

  • Socket: AM4
  • Chipset: AMD B450
  • Form Factor: Mini-ITX
  • Dimensions (W x H x D): 7.3 x 8.9 x 3 in
  • Features: DDR4-3466 support, Audio Boost, Gaming heatsinks, Turbo M.2 with AMD StoreMI support, DDR4 Boost, Core Boost, and steel armor

– Advantages:

  • Impressive build quality
  • Over-clocking capabilities
  • Effective audio capacity
  • Offers value for money

– Drawbacks:

  • Features just one NVME
  • Only 802.11 AC WiFi

The Mini-ITX form factor offers us the three popular options, including MSI B450I Gaming Plus AC, Asus ROG Strix B450-I Gaming, and Asrock B450 Gaming ITX/AC. The Asus unit looks very nice, but it might be costly for some users.

Though with MSI B450I Gaming Plus AC, you are more likely to find great value for money. This motherboard works better than many models and incredibly supports a more powerful 3-phase Vcore VRM equipped with a doubler for 6-phases.

Nevertheless, the SoC VRM is somewhat weak and doesn’t make an optimal APU board. If you are planning on running an APU, the Asus will probably work better. Yet, one can still argue on the price point. MSI B450I Gaming Plus AC packs a 3 + 2 phase VRM.

Overall, the model is an obvious choice for the price point that many motherboards are still unable to beat.

– Our Verdict:

MSI has evidently gone the more budget-friendly approach with the MSI B450I Gaming Plus AC. It comes with relatively reasonably priced controllers and offers a small form factor Mini-ITX gaming themed substitute.

Users who are looking forward to customization options for their system will be happy to know that this motherboard has included two 5050 RGB LED strip headers. Though it lacks any in-built RGB competences underneath the heatsinks.



– Specifications:

  • USB: 2 x USB 3.1 / USB 3.2 Gen 2 Type-A, 4 x USB 3.1 / USB 3.2 Gen 1 Type-A
  • Display: 1 x HDMI 2.0b
  • Memory Slots: 2 x 288-Pin
  • Memory Support: DDR4 2133, 2400, 2666, 2800, 2933, 3000, 3200, 3400, 3466, 3600 MHz
  • Maximum Capacity: 32 GB
  • Channel Architecture: Dual Channel
  • Air Cooling: 1 x 4-Pin CPU, 1 x 4-Pin System, 1 x Thermal Sensor
  • Liquid Cooling: 1 x 4-Pin Pump
  • Power Connectors: 1 x 24-Pin Mainboard, 1 x 8-Pin CPU

– Advantages:

  • Double M.2 with M.2 cooling
  • High-end audio
  • Comes with Bluetooth and Onboard Wi-Fi
  • Impressive CPU VRMs
  • Aboard RGB lighting and RGB headers

– Drawbacks:

  • USB 3.1 compatibility concerns
  • Might not be an ideal option for APUs

The mini-ITX market comes with the leading motherboards that often prove the most renowned since the target users are more technically minded and DIY enthusiasts. ASUS always has a better idea of this and subsequently customized its mini-ITX offerings for all those gaming devotees.

ASUS ROG STRIX B450-I Gaming motherboard is an exciting option that can efficiently deliver a near-identical motherboard to its leading X470 equivalent. More interestingly, it performs all the functions at a reduced cost from the lesser chipset.

You will find the element of both worlds – a reasonable price point and delivering an optimal performance with high-end features. Though as a mini-ITX solution with slight compromises, it’s easy to get impressed by the ASUS ROG Strix B450-I Gaming.

The capability for ASUS to cram in, onboard Wi-Fi, impressive RGB lighting options, dual M.3 slots, a powerful CPU power delivery system, and high-end audio, it’s an all-in-one motherboard you cannot simply miss to consider. There are very minor drawbacks to an otherwise optimal offering.

One downside is the single SOC phase without heatsink cooling makes it a less perfect choice for any APU builds. The excellence of the single-phase is good. Though the insufficient cooling may represent a concern while using APUs.

Also, you may experience a few compatibility and performance problems with the aboard USB 3.1 ports. Remember, this is not a significant issue. Though anyone who wants to benefit from the USB 3.1 bandwidth might need to struggle primarily depending on the device used.

– Our Verdict:

On the whole, the ASUS ROG STRIX B450-I Gaming represents a great choice for AMD Ryzen small form factor builds. This will make many users question the value of costlier X470 substitutes.

That being said, the B450-I is a low-cost solution for value-conscious consumers who may look for cheap alternative options from competitor motherboard vendors. Overall, it gives you an optimal blend of performance and a set of quality features. Of Course, the cost as well!

Best B450 Motherboard (Quick Buying Tips)

  • The foremost decision is choosing between Intel and AMD. Both companies offer wide-ranging options from low-end gaming to demanding games at higher frames per second (FPS).
  • Make sure the motherboard completely supports the kind of GPU required for the intended use.
  • Your model selection will decide the compatible chipset options. For example, if you choose the high-end consumer Intel or AMD chips, you will have a single choice, whether it is X299 for Intel or X299 for AMD.
  • Consider the codec a given motherboard uses and see whether it is mid-range or high-end.
  • The motherboard should be equipped with at least 4GB of RAM. Though 8GB is safer for casual users and 16GB for heavy users.
  • Consider what ports your case supports and be sure the motherboard you select provides the required internal connections. These connections include diverse onboard headers to support RGB lighting systems, external USB ports, etc.
Rog strix motherboard image

Frequently Asked Questions

1- Is b350 better than b450?

A good B250 motherboard is somewhat expensive than the A320, though it gives better performance and useful features. On the other hand, B450 is a budget-friendly option with features such as Precision Boost Overdrive and StoreMI which makes it a better option than B350.

2- Is b450 good for 2700x?

Unless you want to benefit from additional lanes and slots on x470, you can go with B450. You will hardly find any performance issues. A B450 with good VRM will do the job perfectly done.

3- What is the best b450 motherboard for Ryzen 3000?

If you are looking for high-end 400 series, just look no further than ASUS ROG Crosshair VII Hero which is one of the latest generation motherboards with a simple BIOS update. It serves the new Ryzen chip quite well.

4- What is the best b450 motherboard for Ryzen 5 2600?

If you want a feature-packed B450 motherboard that offers reasonable VRM quality and adequate connectivity without breaking your bank, the MSI B450 Tomahawk is a recommended option.

Final Words: Best B450 Motherboard

There are slight differences between AMD’s recent budget B450 platform and prior B350 boards, which might be a $100 mark or even below primarily depending on your requirements. With the very first AMD B450 motherboards, there are specific models that you must consider.

If you aren’t sure about it, don’t forget to go through the above reviews. Asus and Gigabyte options are working well so far, while the MSI has truly turned things around coming up with excellent features. We hope our top picks will help you make an informed decision.



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