Motherboard PRIME B450M-K II / AMD AM4 B450 DDR4 64GB mATX
ITCurry #: 8881W534 | Article #: 90MB1600-M0EAY0-
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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.
| Processor | |
| Processor manufacturer | AMD |
| Processor socket | Socket AM4 |
| Compatible processor series | AMD RyzenT 3, 2nd Generation AMD RyzenT 3, AMD RyzenT 5, 2nd Generation AMD RyzenT 5, AMD RyzenT 7, 2nd Generation AMD RyzenT 7, AMD RyzenT ThreadripperT, AMD RyzenT ThreadripperT: The Second Generation |
| 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 | |
| Motherboard chipset | AMD B450 |
| Audio chip | Realtek ALC887-VD2 |
| Audio output channels | 7.1 channels |
| Component for | PC |
| Motherboard form factor | micro ATX |
| Motherboard chipset family | AMD |
| 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 |
| Logistics data | |
| Harmonized System (HS) code | 84733020 |
| Weight & dimensions | |
| Width | 244 mm |
| Depth | 244 mm |
| Height | 259 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 |
| Other features | |
| Weight | 840 g |
| Warranty | |
| Base Warranty | Non Non |