ASUS Prime B450M-A II AMD AM4 (Ryzen 5000, 3rd/2nd/1st Gen Ryzen Micro ATX Motherboard (128GB DDR4, 4400 O.C.), NVMe, HDMI 2.0b/DVI/D-Sub, USB 3.2 2, BIOS Flashback, and Aura Sync)
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ASUS Prime B450M-A II AMD AM4 (Ryzen 5000, 3rd/2nd/1st Gen Ryzen Micro ATX Motherboard (128GB DDR4, 4400 O.C.), NVMe, HDMI 2.0b/DVI/D-Sub, USB 3.2 2, BIOS Flashback, and Aura Sync)

4.5/5
Product ID: 246735455
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Details

  • Brand
    ASUS
  • CPU Socket
    Socket AM4
  • Compatible Devices
    Personal
  • RAM Memory Technology
    DDR4
  • Compatible Processors
    AMD 1st Ryzen
  • Chipset Type
    AMD B450
10Gbps USB 3.2 Gen 2 speed
💾128GB DDR4 RAM max, 4400MHz OC
❄️Advanced VRM & PCH cooling

Description

⚡ Power your productivity with ASUS Prime B450M-A II — where speed meets style!

  • BLAZING FAST DATA TRANSFERS - Experience ultra-responsive workflows with USB 3.2 Gen 2 delivering up to 10Gbps speeds.
  • OPTIMIZED THERMAL PERFORMANCE - Stay cool under pressure with VRM and chipset heatsinks plus ASUS Fan Xpert 2+ for whisper-quiet, efficient cooling.
  • ROCK SOLID DURABILITY PROTECTION - Built to last with LANGuard, SafeSlot Core, and overvoltage safeguards ensuring your investment is future-proof.
  • CUSTOMIZABLE AURA SYNC RGB LIGHTING - Sync your setup’s vibe with Aura Sync RGB and Armoury Crate for personalized, professional aesthetics.
  • MASSIVE MEMORY CAPACITY OVERCLOCKING - Support up to 128GB DDR4 RAM with 4400MHz overclocking for seamless multitasking and heavy workloads.

The ASUS Prime B450M-A II is a micro ATX motherboard designed for AMD Ryzen 5000/3rd/2nd/1st Gen CPUs, supporting up to 128GB DDR4 RAM at 4400MHz overclocked speeds. It features ultra-fast USB 3.2 Gen 2 ports, advanced cooling solutions with VRM and chipset heatsinks, and robust protection mechanisms like LANGuard and SafeSlot Core. With versatile display outputs (HDMI 2.0b, DVI, D-Sub) and Aura Sync RGB lighting, it balances high performance, durability, and customizable aesthetics for professional-grade PC builds.

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Specifications

Processorothers
RAMDDR4
Memory Speed2400 MHz
Wireless Type801.11ac
Number of USB 2.0 Ports12
BrandASUS
SeriesB450M-A II
Item model numberPrime B450M-A II
Item Weight2.1 pounds
Product Dimensions9.6 x 9.5 x 2 inches
Item Dimensions LxWxH9.6 x 9.5 x 2 inches
ManufacturerASUS
ASINB08KH12V25
Date First AvailableOctober 1, 2020

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Reviews

4.5

All from verified purchases

K**N

Solid Performance for My Home Arcade Build

I used the ASUS Prime B550-PLUS AC-HES AMD AM4 motherboard for my home arcade build, and it’s been a fantastic choice. The setup was smooth and the board offers great compatibility with my components. The B550 chipset provides solid performance, and the board handles everything from light gaming to heavy multitasking with ease.I was particularly impressed with the built-in Wi-Fi and Bluetooth, which made setting up my arcade PC wireless and hassle-free. The board’s design is clean and compact, and the onboard audio is crisp, which is perfect for my arcade cabinet’s sound system.Overall, this motherboard offers incredible value for the price. It’s stable, reliable, and more than capable of supporting the needs of a home arcade system. Highly recommend for anyone looking to build or upgrade their setup!

A**E

Excellent For The Job

This is a excellent motherboard. It has enough "hooks" for what you'll need. The price point was excellent. The motherboard was easy to install into the case I had purchased. So the size of the board isn't too large or small. I did have to download and test multiple wi-fi drivers because the one on the board is definitely unique.

C**U

Great value for a midrange PC build

I was building a medium budget pc and this motherboard was a great fit for a reasonable price. Great quality, spacing between components was not an issue. I have had for about 5 months and haven't had any issues with the motherboard. It handles gaming well, temperature holds well with my setup, even with some modern games. I like the lighting options, while it is not essential, but it gives it a nice look. It has handled all updates, gaming, downloads, streaming with no problem or issues, great performance. This is a great value if you are a building a mid budget pc.

P**O

YOU NEED AN INSTALLATION METHODOLOGY/NECESITA UNA METODOLOGIA DE INSTALACION

THE PRODUCT ITSELF IS NOT DEFECTIVE JUST THAT IT NEEDS AN INSTALLATION METHODOLOGY FIRST INSTALL THE AMD PROCESSOR AND A RAM MEMORY IN THE A2 SLOT AND START THE PC, THEN ENTER THE BIOS AND TURN OFF THE PC, THEN ADD THE SECOND RAM MEMORY IN THE B2 SLOT AND TURN OFF THE PC, THEN ADD THE NVME OR SATA STORAGE AND START THE PC AGAIN AND ENTER THE BIOS, FINALLY TURN OFF THE PC AND BOOT FROM THE NVME OR SATA STORAGE NORMALLY, IF THESE STEPS ARE NOT DONE LIKE THIS THE BOARD WILL NEVER START AND WILL REMAIN IN AN INFINITE CYCLE OF RESTARTS, THIS IS INFORMATION THAT I DID NOT KNOW AND I HAD TO LEARN AFTER SPENDING MORE THAN 3 DAYS TRYING TO GET THIS BOARD WORKING, HOPEFULLY THIS HELPS SOMEONE ELSE.EL PRODUCTO EN SI NO ES DEFECTUOSO SOLO QUE NECESITA UNA METODOLOGIA DE INSTALACION PRIMERO INSTALAR EL PROCESADOR AMD Y UNA MEMORIA RAM EN EL SLOT A2 Y ARRANCAR EL PC, POSTERIORMENTE ENTRAR AL BIOS Y APAGAR EL PC, AGREGAR LUEGO LA SEGUNDA MEMORIA RAM EN EL SLOT B2 Y APAGAR EL PC, LUEGO AGREGAR EL ALMACENAMIENTO NVME O SATA Y VOLVER A ARRANCAR EL PC Y ENTRAR AL BIOS, FINALMENTE APAGAR EL PC Y ARRANCAR DESDE EL ALMACENAMIENTO NVME O SATA NORMALMENTE, SI ESTOS PASOS NO SE HACEN ASI LA BOARD NO ARRANCARA NUNCA Y QUEDARA EN UN CICLO INFINITO DE REINICIOS, ESTA ES UNA INFORMACION QUE YO DESCONOCIA Y TUVE QUE APRENDER DESPUES DE PASAR MAS DE 3 DIAS INTENTANDO HACER FUNCIONAR ESTA PLACA, OJALÁ A ALGUIEN MAS LE SIRVA ESTO.

D**O

Love Asus Main Boards

This is a solid main board. The built in Wi-Fi is strong can use SSD drives and plenty of ram fits well.

A**O

Excelente opción

Por el recio y lo que ofrece es magnífica, son un poco complejas las asus pero sabiendo lo básico no deberías tener problemas

B**U

A Great Replacement Board

I updated my son's Cyberpower PC to Windows 11. Everything installed successfully, including all the updates. Then after a restart the display wouldn't come on. That Mobo was an MSI B450 Tomahawk and the LED's said VGA problem. Given the circumstance I couldn't believe it suddenly died. I tried numerous times resetting the CMOS, reseating the graphics card, reseating memory, even checked the power supply, etc.I ordered this ASUS Prime B450M-A II as an economic replacement. It arrived in 2 days and was packaged well. The price dropped 2 days after I ordered. The box has labels Windows 11 ready and Ryzen 5000 Series ready. The board comes with backplate, 2 SATA cables, a M2 screw for mounting, a driver disc and the manual. This ASUS mobo is laid out differently than the MSI. I like it better. The graphics card slot is moved over one space with the M2 slot out in the open. With this Mobo you can use a M2 with a heatsink attached. The MSI M2 slot was directly under a dual-slot graphics card. I like the BIOS flashback feature (located on the back) with this board. The BIOS is laid out well, very intuitive and easy to use.I have built several computers over the years with ASUS my go-to brand. This Mobo is a great full featured B450 motherboard for AM4 series CPU's. The BIOS is upgraded to accept Ryzen 5000 series CPU's. Simply put you're getting a great AM4 motherboard for a great price.

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12 interest-free installments with tabby

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TrustScore 4.5 | 7,300+ reviews

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

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Fatima A.

Best international shipping I've ever tried. Worth every penny!

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