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.

Cooler by Design
PRIME B450M-K II is engineered with an array of hybrid fan headers and features comprehensive cooling controls that are configurable via Fan Xpert 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.

PCIe 3.0 M.2
(up to 32 Gbps)
Achieve speed with onboard M.2
M.2 Slot supports 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.

Little Things Make a Big Difference
Prime B450M II series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive interface that let you customize your system to create a unique personal look.

Outstanding Audio
Combined onboard features deliver elevated audio
Intelligent design and premium hardware create audio quality unlike anything you’ve ever experienced.

Specification

Product
Product id	696419
Brand	AsusTek
Partnr	90MB1600-M0EAY0
EAN/UPC code	4718017932387
Warranty (months)	24 months
Processor
Processor manufacturer	AMD
Processor socket	Socket AM4
Compatible processor series	AMD Ryzen 3, AMD Ryzen 3 2nd Gen, AMD Ryzen 5, AMD Ryzen 5 2nd Gen, AMD Ryzen 7, AMD Ryzen 7 2nd Gen, AMD Ryzen Threadripper, AMD Ryzen Threadripper 2nd Gen
Memory
Supported memory types	DDR4-SDRAM
Number of memory slots	2
Memory slots type	DIMM
ECC	Y
Supported memory clock speeds	2133, 2400, 2666, 2800, 2933, 3000, 3200 MHz
Maximum internal memory	64 GB
Unbuffered memory	Y
Storage controllers
Supported storage drive interfaces	M.2, PCI Express 3.0, SATA III
RAID levels	0, 1, 10
Internal I/O
USB 2.0 connectors	2
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1
Number of SATA III connectors	4
S/PDIF out connector	Y
Audio connector	Y
Front panel audio connector	Y
ATX Power connector (24-pin)	Y
CPU fan connector	Y
Number of chassis fan connectors	2
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	3
Ethernet LAN (RJ-45) ports	1
PS/2 ports quantity	2
VGA (D-Sub) ports quantity	1
DVI-D ports quantity	1
Headphone outputs	1
Microphone in	Y
Network
Ethernet LAN	Y
Ethernet interface type	Gigabit Ethernet
Wi-Fi	N
Features
Component for	PC
Motherboard form factor	Micro ATX
Motherboard chipset family	AMD
Motherboard chipset	AMD B450
Audio chip	Realtek ALC887-VD2
Audio output channels	7.1 kanalen
Windows operating systems supported	Windows 10 x64, Windows 7 x64
Expansion slots
PCI Express x1 (Gen 2. x) slots	2
PCI Express x16 (Gen 3. x) slots	2
BIOS
BIOS type	UEFI AMI
BIOS memory size	128 Mbit
ACPI version	6.1
Weight & dimensions
Width	244 mm
Depth	244 mm
Packaging content
Cables included	SATA
Bundled software	Armoury Crate, AI Suite 3, Performance and Power, Saving Utility, TurboV EVO, EPU, DIGI+ VRM, Fan Xpert, PC Cleaner, EZ update, System Information, ASUS CPU-Z, AI Charger, ASUS EZ Installer, DAEMON Tools, Norton Anti-virus software (Free Trial for 60 days), WinRAR, UEFI BIOS, ASUS EZ DIY, ASUS CrashFree BIOS 3, ASUS EZ Flash 3, ASUS UEFI BIOS EZ Mode