ASUS Prime B450M-K II AMD B450 Socket AM4 micro ATX, AMD

Performance
Component for	PC
Motherboard chipset family	AMD
Motherboard chipset	AMD B450
Motherboard form factor	micro ATX
Audio output channels	7.1 channels
RAID levels	0, 1, 10
Windows operating systems supported	Windows 10 x64, Windows 7 x64
Processor
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen™ 3, 2nd Generation AMD Ryzen™ 3, AMD Ryzen™ 5, 2nd Generation AMD Ryzen™ 5, AMD Ryzen™ 7, 2nd Generation AMD Ryzen™ 7, AMD Ryzen™ Threadripper™, AMD Ryzen™ Threadripper™: The Second Generation
Processor socket	Socket AM4
Memory
Number of memory slots	2
Supported memory types	DDR4-SDRAM
Memory slots type	DIMM
ECC	Yes
Supported memory clock speeds	2133,2400,2666,2800,2933,3000,3200 MHz
Maximum internal memory	64 GB
Unbuffered memory	Yes
Storage controllers
Supported storage drive interfaces	M.2, PCI Express 3.0, SATA III
RAID levels	0, 1, 10
Internal I/O
Audio connector	Yes
Supported storage drive interfaces	M.2, PCI Express 3.0, SATA III
USB 2.0 connectors	2
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1
S/PDIF out connector	Yes
Number of SATA III connectors	4
Number of chassis fan connectors	2
Front panel audio connector	Yes
CPU fan connector	Yes
ATX Power connector (24-pin)	Yes
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
VGA (D-Sub) ports quantity	1
PS/2 ports quantity	2
Microphone in	Yes
Headphone outputs	1
DVI-D ports quantity	1
Network
Ethernet LAN	Yes
Wi-Fi	No
Ethernet interface type	Gigabit Ethernet
Features
Component for	PC
Motherboard chipset family	AMD
Motherboard chipset	AMD B450
Motherboard form factor	micro ATX
Audio output channels	7.1 channels
Windows operating systems supported	Windows 10 x64, Windows 7 x64
Audio chip	Realtek ALC887-VD2
Harmonized System (HS) code	84733020
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
Logistics data
Harmonized System (HS) code	84733020
Weight & dimensions
Width	244 mm
Depth	244 mm
Height	259 mm
Weight	840 g
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
Technical details
Harmonized System (HS) code	84733020
Other features
Height	259 mm
Weight	840 g

---

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 Â® 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.