ASUS Prime B450M-A II Micro ATX Motherboard

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ASUS Prime B450M-A II Micro ATX Motherboard
ASUS Prime B450M-A II Micro ATX Motherboard

ASUS Prime B450M-A II Micro ATX Motherboard Price comparison

ASUS Prime B450M-A II Micro ATX Motherboard Price History

ASUS Prime B450M-A II Micro ATX Motherboard Description

ASUS Prime B450M-A II Micro ATX Motherboard: Performance Meets Affordability

The ASUS Prime B450M-A II Micro ATX Motherboard is designed for gamers and PC builders who value performance and efficiency. Engineered to support AMD Ryzen processors, this versatile motherboard packs an array of features tailored to meet your computing needs, all while maintaining a competitive price point. Whether you’re upgrading your rig or building a new one, the Prime B450M-A II is an excellent choice for any DIY enthusiast.

Key Features of the ASUS Prime B450M-A II

  • Processor Compatibility: Supports AMD Ryzen 9 3000 Series, ensuring compatibility with top-tier processors for stellar performance in gaming and heavy tasks.
  • Memory Support: Features 4 DIMM slots that support DDR4 RAM with speeds up to 4400 MHz, accommodating up to 128GB of total system memory for seamless multitasking.
  • Expansive Connectivity: Equipped with 12 USB 2.0 ports and 7 x USB-A 3.2 ports, this motherboard allows extensive connectivity options for your peripherals.
  • SATA III & M.2 Slots: With 6 SATA 6Gb/s ports and 1 M.2 slot, you can enjoy fast data transfer speeds while maintaining ample storage options.
  • Audio & Cooling: Supports 7.1 audio channels, ensuring an immersive sound experience, and includes multiple fan connectors for effective cooling solutions.
  • Compact Size: Its microATX form factor (9.6 x 9.5 inches) makes it suitable for various cases without compromising performance.

Price Comparison Across Retailers

The pricing for the ASUS Prime B450M-A II varies across different suppliers. Currently, you can find it ranging from $79.99 to $99.99. This competitive pricing makes it an attractive option for those looking to build a budget-friendly gaming rig without sacrificing performance.

6-Month Price History: Notable Trends

A glance at the 6-month price history chart reveals a slight upward trend in pricing, primarily influenced by increased demand for PC components. However, the ASUS Prime B450M-A II remains a cost-effective choice compared to similar motherboards in the market, showcasing its reliability and value over time.

Customer Reviews: Highlights and Drawbacks

Customer feedback on the ASUS Prime B450M-A II has been overwhelmingly positive. Users praise the motherboard for its easy installation and exceptional performance with AMD Ryzen processors. Many have noted the solid build quality, which is typical of ASUS products.

  • Positive Aspects: Customers report smooth multitasking capabilities and stable system performance. The variety of ports is also frequently mentioned as a major plus, allowing for an easy setup with various devices.
  • Notable Drawbacks: Some users have pointed out that the lack of built-in Wi-Fi might be a dealbreaker for those who prefer wireless connectivity. Additionally, a few reviews mention that software updates can be a bit sluggish.

Explore Unboxing and Review Videos

If you’re considering the ASUS Prime B450M-A II Micro ATX Motherboard, you might find it helpful to watch unboxing and review videos available online. These videos provide a comprehensive walkthrough of the product’s features, installation processes, and performance benchmarks. They can help you visualize the setup and utilization of this motherboard in a real-world context.

Why Choose the ASUS Prime B450M-A II?

This microphone ATX motherboard not only offers robust performance with a wide range of connectivity options, but it also provides excellent value for the money. Its compatibility with the latest AMD processors and extensive support for memory ensure it meets the needs of both casual users and hardcore gamers. The extensive positive reviews and solid price history solidify its standing as a top contender in the microATX motherboard market.

Invest in your PC build with confidence, knowing that the ASUS Prime B450M-A II can handle your demands while remaining budget-friendly. It’s a smart choice for anyone looking to build or upgrade a powerful and versatile system.

Compare prices now!

ASUS Prime B450M-A II Micro ATX Motherboard Specification

Specification: ASUS Prime B450M-A II Micro ATX Motherboard

RAM

‎DDR4

Memory Speed

‎2400 MHz

Wireless Type

‎801.11ac

Number of USB 2.0 Ports

‎12

Brand

‎ASUS

Item model number

‎Prime B450M-A II

Item Weight

2.1 Pounds

Product Dimensions

‎9.6 x 9.5 x 2 inches

Item Dimensions LxWxH

‎9.6 x 9.5 x 2 inches

Manufacturer

‎ASUS

Country of Origin

‎China

Date First Available

‎October 1, 2020

Wireless Type (ac)

801.11

RAM Memory Maximum Size (GB)

128

Graphics Card Interface

Integrated

Memory Slots Available

4

Number of Ports

6

SPDIF Connector Type

Optical

System Bus Standard Supported

SATA 3

Number of USB 2 Ports

12

Total USB Ports

6

UPC

192876924990

Item Weight (pounds)

2.1

ASIN

B08KH12V25

Processor Compatibility

AMD Ryzen 9 3000 Series

Memory Speeds Supported

4400

RAID Support

RAID 0

Power Connector

1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector 1 x 4-pin +12V Power connector

Product Weight (ounces)

20.11

Audio Ports

3

Color Category

Black

Number of Audio Channels

7.1

Color

Black

Manufacturer's Warranty - Parts (years)

3

Memory Type Supported

DDR4

Product Width (millimeters)

241

Number of PCI-E Slots

3

Wireless Connectivity

None

USB Ports

7 x USB-A 3.2

Operating System Compatibility

Windows 11 Home

Thunderbolt Ports

None

Form Factor

microATX

Wireless Networking Standard

No Wi-Fi standard

Number Of Memory Slots

4

Number Of PCI-E x1 Slots

2

Memory Format Supported

DIMM

Memory Slot Type

288-pin DIMM

Processor Socket

Socket AM4 (PGA 1331)

Model Number

PRIME B450M-A II

Fan/Cooling System Connector

1 x CPU Fan connector(s) (1 x 4 -pin), 2 x Chassis Fan connector(s) (2 x 4 -pin)

Manufacturer's Warranty - Labor (years)

3

Chipset

AMD B450

Number of M.2 Slots

1

SATA Connector

6 x SATA 6Gb/s ports

Year of Release

2024

Maximum Memory Supported (gigabytes)

128

Chipset Compatibility

AMD

Product Length (millimeters)

244

Number Of PCI-E x16 Slots

1

ASUS Prime B450M-A II Micro ATX Motherboard Reviews (12)

12 reviews for ASUS Prime B450M-A II Micro ATX Motherboard

4.9 out of 5
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  1. Alexandre Soares da Silva

    update: Oct 1, 2018
    The motherboard works fine, plenty of USB 3.0 ports (I use the pc to run an oculus rift, so I use a lot of the USB ports). I’m running a 2600x on it, with 16gb ddr4 3000 (c15) from corsair, pny 480gb nvme, 1tb ssd (evo 850), a bunch of old hard disk drives, and a Zotac 1070 ti mini. The 2600x seems to be using its full precision boost 2 frequency. Feels (obviously) really fast.

    I wished this board was available with with a heatsink over the VRM, wifi/bluetooth, and two m.2 slots. It’d be my ideal micro atx board, as I don’t want to have an ATX tower (or even a small but wide ATX one). I plan to use an 2700 in it, and I wanted to overclock but not very sure about how stable it’ll perform with the weak VRM/no heat sink (and without holes to attach one over the circuitry).

    At first, I gave this motherboard a vengeful 1 star review, as its manual lacked a diagram about the power/reset button connections. This wasn’t my first build, but I was just really annoyed to search for the mapping for power connections without finding it. Nevertheless, the comments about the polarity of the power button were right – it doesn’t matter.

    Now, I’m not totally clueless about electricity and power. I’m used to reading datasheets for projects in college (I’m a computer engineering major), and I still think the lack of proper instructions for the connections – something that generally doesn’t happen with sensors and other electronics parts – was frustrating, especially because I was finishing this build in a rush (it was in the middle of the night), so partly my bad. I didn’t connect the fact that the power button in a computer was just a push button toggle switch and the reset, just a push button.

    However, I think it’s elitism to think that only people who know these things should be allowed to build a pc without trouble and without professional help. It’s the manual’s job to help with this, as connections on the motherboard are pretty simple with the other hardware. Gosh, even applying thermal paste is something anyone can do with some care. So no: building a pc should not require professional assembly at all.

    To give a recent example, I built last year a pc that used the B350 version of this motherboard. That mobo’s manual had a simple nice diagram for power connections, so I didn’t have to think at all about what they meant when connecting everything and powering up the system.

    In sum, I’m not an expert, but I’m not a beginner either. So, if I wanted a simple, nice diagram for that, I imagine others would benefit from a diagram printed on the manual, as well. Just like the previous version of this mobo had.

    And that’s my only criticism about this B450 motherboard, because the price is right. Although for those shopping for a ryzen mATX mobo right now, it seems the MSI Mortar has the best VRMs among AM4’s mATX (with a heat sink over them, of course). It’s likely a better choice for the 2700x and for overclocking the APUs.

    original review:
    Incredibly enough, the manual doesn’t state how to connect the power button jumper, and the “diagram” on the motherboard is not very helpful either. Frustating. This process should never be a trial and error thing.

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  2. AQWOSMC

    Muito boa essa placa

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  3. AQWOSMC

    Asus never disappoints when it comes to motherboard, the temperature is around 30C to 35C under normal usage.

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  4. Amazon Customer

    cheap ahh mobo. great for making cheap builds

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  5. Michelle & David Whetzel

    La calidad es aceptable. Este es mi segunda tarjeta que compro.

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  6. MarcE

    This is my first build to rebuild an old computer. Start up time changed from 4 minutes to about 15 seconds. Other components that I used: ryzen 5700X. Samsung 990 with the heat sink. 32 gig ram, it holds 64 gig. It needed a new power supply because the old power supply didn’t have the right connections to work with this motherboard. The manual is pretty good and was invaluable in making sure things got connected properly. Once I did that and turned it on everything started up correctly. I was even able to flash the BIOS. The price was right.

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  7. Alexandre Soares da Silva

    Arrived in very good condition Is already updated for Ryzen 5000

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  8. Talha

    Its good

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  9. SurenBabayan

    First ever review for me, but felt others (Linux users) might want to know.

    This board provides good value and it does come (as another reviewer noted) with BIOS 1201. 1201 will let you boot up a Ryzen 3 or 5 3200G/3400G (know that these chips are actually based on last year’s 11nm & thus not true 3000 cpu releases). But what non-users of ASUS motherboards might not be aware of or not know is that the BIOS EZ Flash 3 Utility provided by ASUS (inside the BIOS0 does not require an OS to update the BIOS. You ca actually update the motherboard without any hard drive/SSD/etc installed).

    Upon receiving this Prime B450M-A I immediately put it into a spare case I had lying around, put in a Ryzen 3 3400G I had picked up on Amazon sold for $88, used the provided AMD cooler it came with and it’s pre-applied paste (unless you game 24-7, don’t listen to the Net chatter about needing brand name, expensive thermal paste), then installed this ram – Crucial Ballistix Sport LT 3000 MHz DDR4 DRAM Desktop Gaming Memory Kit 16GB (8GBx2) CL15 BLS2K8G4D30AESCK (White) along with an totally empty non-formatted new Crucial120GB SSD I had lying around. This was all powered by a Corsair 400W PSU.

    Before doing anything OS-wise, I started the system up and hit “delete” to get into the BIOS. Using the ASUS EZ Flash Utility in the BIOS, which gives you the option of either using your own fat16/32 thumb drive (don’t use any other format) or you can use the ethernet Internet connection the board already detects, I immediately updated the BIOS to ASUS’ latest BIOS, 1820 (just yesterday I did it again & updated 1823). I then waited as the BIOS restarted itself, then stuck in an Ubuntu 18.04.3 ISO on a DVD (just choose your CD/DVD burner in the BIOS front page as your first boot choice) and hit delete again to get back into the BIOS. I chose my CD/DVD drive as my first boot choice on the first page of ASUS’ excellent BIOS, and then it started up. Within several minutes, Ubuntu was completely installed on the SSD (this chip/memory/board is fast), the system rebooted, and I was staring at Ubuntu 18.04.3 where it made my 20″ PC screen the “primary” while my 42″ plasma TV was also picked up as the “secondary” screen. This is/was great, no messing with that, correct 1920×1080 resolutions too.

    Since the above (about 9-10 days), I have not had one crash or problem with the board running any version of Ubuntu from 18.04.3 & above. This computer system is in the living room where it gets heavy use by the family and kids for everything, from Netflix streaming, to multi-purpose PC uses, etc (I won’t talk of this Ryzen 3 3200G’s gaming performance, as it is already well-covered on the Net–at this price, for gaming, it simply rocks and, unbelievably to me, the included cooler handles things quite well–again, as long as the kids don’t game 24-7, if that stats happening, which might as they see how fast this system is and what it can handle, I will get a bigger and better cooler to be safe).

    Also, here’s what I found (over the past few days of testing) in terms of what will successfully boot Linux-wise on this Prime B450M-A motherboard using the latest AMD Ryzen 3 3200G chip mentioned above: (you’ll notice as I list the successes and failures, the Linux OSes that come with Kernel 5 or above, they all boot up great; the others do not and you will have to perform some tricks and kernel installs to get things going if you use a Linux OS that doesn’t come with kernel 5 or above):

    Successes:
    Ubuntu 18.04.3 LTS and all 19s 9I tried 19.10 too, worked great)
    Fedora 31 (Fedora actually seemed to be the fastest out of these 2 successes, but I stuck to Ubuntu for gaming reasons)

    Failed to boots:
    Debian 10.1
    Linux Mint 19 (and version)
    MX-Linux 19
    Opensuse LEAP & Tumbleweed
    etc, etc…(tried about 6 others, all failed because they don’t have come with kernel 5 or above).

    Last thing I want to note is the latest BIOS updates come where ASUS (upon instructions) have disabled PCIe4. This “disabling of PCIe4” not ASUS’s fault, this is AMD’s. AMD is still not enabling PCIe4 on 300/400 series motherboards, and are instructing motherboard manufactuers (if they had enabled PCIe4) to disable PCIe4. AMD, if you know about the Pinnacle Ridge cpu clusterf#ck last year that they are still trying to be clear up completely, this board with the recently released Ryzen 3/5 3000 cpu(s) is a welcome change. ASUS did nothing wrong here. AMD is still saying they are not going to be releasing Linux-specific Ryzen drivers, which is kind of interesting since it was us Linux people who kept AMD afloat back in the dark days when it was thought Intel would crush them & drive them into insolvency. Sure hopes AMD rethinks things, and gets their act together over these next 4-9 months Linux-wise as the truly new 3000 cpus come out next summer.

    In sum, the ASUS Prime B450M-A board I tested here with a Ryzen 3 3200G cpu and 3000 MHZ DDR4 was a fun, hassle-free build. I also know this board will easily handle and provide a future upgrade path for AMD cpu(s) going forward over the next few years.

    Hope this review helps any other Linux users out there.

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  10. Ricardo da Motta

    What I liked the best about this motherboard compared to similar offerings by other manufacturers were two key points:
    1. The board is just a slight bit longer. That means that there are mounting holes past the memory modules to support them when you install memory. Other short boards leave this part ‘floating’ which isn’t good.
    2. Connecting those pesky front panel wires is always a pain. This board had a QR code in the manual that led to an on-line document that CLEARLY labelled all the pins and showed how to connect them. Bonus – the document also covered all the headers and jumpers CLEARLY.

    Finally, it just worked. First time. Perfectly. I have an Asus motherboard in my Intel I7 development machine and it too has been flawlesss for over 5 years now.

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  11. Misty

    I ordered ASUS B450M-A because it’s featuring USB3.2 Gen 2 and is in very reasonable cost. ASUS also provide a quite useful tool – Armoury Crate that will install drivers and monitor my system in graphic. However, The Micro-ATX does not work well with my AMD RX580 GPU. It runs fine but the thickness of the GPU with fan covers the PCIE_1 slots so that I have nothing left. I wish I thought about that before I made decision since I intend to install a PCIE to M.2 SSD card to add more SSD space,

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  12. Neru

    The order was excellent, arrived in a very short time. The packaging is excellent.
    Great design. Works Normal. Thanks a lot.

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