Asus PRIME B450M-A II AMD B450 AM4 Micro ATX 4 DDR4 VGA DVI HDMI RGB Header M.2

PLEASE NOTE:

5th gen Ryzen CPUs will require a BIOS update to work

AMD B450 (Ryzen AM4) micro ATX motherboard with M.2 support, HDMI/DVI-D/D-Sub, SATA 6 Gbps, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A, BIOS FlashBack™, and Aura Sync RGB lighting support

Comprehensive cooling: VRM heatsink, PCH heatsink, and Fan Xpert 2+

Ultrafast connectivity: M.2 support, 1 Gb Ethernet, and USB 3.2 Gen 2 Type-A

5X Protection III: Multiple hardware safeguards for all-around system protection

Aura Sync RGB Lighting: Onboard connector for RGB LED strips, easily synced with an ever-growing portfolio of Aura Sync-capable hardware

Prime

ASUS Prime B450M II Series motherboards provide the solid foundation needed for your first build, plus flexibility to grow with your ambitions. We've melded all the good stuff that's packed into AMD Ryzen™ processors with essential ASUS design and engineering, so you benefit from industry-leading technologies — including automated system tuning, comprehensive cooling controls, and immersive onboard audio. When you build with an ASUS Prime B450M II Series motherboard, you build smart, easy and affordably.

Tune It Your Way

Comprehensive controls form the foundation of the ASUS Prime series. The Prime B450M II motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work – maximizing your productivity.

Cool to the Core

Prime B450M II series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.

VRM Heatsink and Thermal Pads

A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs for better cooling performance.

Cooler by Design

Prime B450M-A II is engineered with an array of hybrid fan headers and features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS, ensuring your rig stays cool and stable under intense workloads.

Build on a Solid Foundation

Prime B450M II motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.

Achieve speed with onboard M.2

M.2 Slot supports up to 22110 and data-transfer speed up to 32Gbps via x4 PCI Express® 3.0 bandwidth. It‘s the perfect choice for an operating system or application drive, providing fast access to data.

USB 3.2 Gen 2 Type-A

Numerous USB ports support high-end rigs loaded with peripherals, including two rear-panel USB Type-A connectors with fast USB 3.2 Gen 2 connectivity for compatible cases.

Outstanding Audio

Combined onboard features deliver elevated audio

Intelligent design and premium hardware create audio quality unlike anything you've ever experienced.

Audio Shielding

Separates analog/digital signal domains, significantly reducing multi-lateral interference.

Separate Layer for Left and Right Tracks

Ensures minimal crosstalk between audio paths.

Premium Japanese Capacitors

Premium parts provide an immersive sound signature, with exceptional fidelity.

Aura Sync

Outshine the Competition

A well-tuned enthusiast system deserves a matching aesthetic. ASUS Aura offers full RGB lighting control with a variety of functional presets for RGB LED strips connected to the onboard RGB headers. And it can all be synced with an ever-growing portfolio of Aura-capable hardware.

Armoury Crate

Armoury Crate is a new software utility designed to give you centralized control of supported products. From a single intuitive interface, Armoury Crate allows you to easily customize RGB lighting and effects for every compatible device in your arsenal. The software also provides control of settings for ASUS products, including keyboard and mouse preferences. Armoury Crate even features dedicated product registration and highlight to help you stay in touch with the ASUS community.

BIOS Flashback

BIOS FlashBack™ is the simplest and safest (UEFI) BIOS update method. Simply drop the (UEFI) BIOS file onto a FAT32 formatted USB stick, plug it into the USB BIOS FlashBack™ port and press the button. Updates can even be performed without having memory or a CPU installed.

Motherboard Type
Desktop

Form Factor
Micro ATX

Socket
AMD AM4

Chipset
AMD B450

RAM Technology
DDR4 (Dual Channel)

RAM Slots
4 x DIMM

RAM Speeds
4400(O.C)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3300(O.C.)/3200(O.C.)/3000(O.C.)/2800(O.C.)/2666/2400/2133 MHz

Maximum Memory
128GB

Graphics
Integrated Graphics in the 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics/ Athlon with Radeon Vega Graphics

Graphics Ports
1 x VGA
1 x DVI-D
1 x HDMI

Multi-GPU Support
-

PCI/PCI Express
1 x PCIe 3.0 x16
2 x PCIe 2.0 x1

Storage
6 x SATA III
1 x M.2 (2242/2260/2280/22110) - SATA & PCIe
*PCIe mode not supported with Athlon CPUs

RAID
RAID 0, 1, 10

Wireless
-

LAN
GB LAN

Audio
Realtek 7.1-Channel High Definition Audio CODEC

USB Ports Supported
2 x USB 3.1 Gen2 Type-A (at back)
6 x USB 3.1 Gen1 (4 at back, 2 at mid-board)
4 x USB 2.0 (at mid-board)

Back Panel I/O Ports
1 x PS/2 keyboard/mouse
1 x DVI-D
1 x D-Sub
1 x HDMI
1 x LAN (RJ45)
2 x USB 3.2 Gen2 Type-A
4 x USB 3.2 Gen1
3 x Audio jack(s
1 x BIOS FlashBack Button

Internal I/O Connectors
1 x CPU Fan
2 x Chassis Fan
1 x USB 3.2 Gen1
2 x USB 2.0
1 x M.2 Socket 3 with M key
1 x SPI TPM
1 x COM port
6 x SATA 6Gb/s
1 x S/PDIF out
1 x 24-pin EATX
1 x 8-pin ATX 12V
1 x Front audio

1 x System panel
1 x Clear CMOS jumper
1 x COM port
1 x Speaker
1 x RGB Header

Accessories
Users manual
I/O Shield
2 x SATA 6Gb/s cables
1 x M.2 Screw Package
1 x Supporting DVD