Asus Prime B450M-A II Desktop Motherboard - AMD B450 Chipset - Socket AM4 - Micro ATX - Ryzen 3 PRO, Ryzen 5 Pro, Ryzen 7 PRO, Ryzen 3, Ryzen 5, Ryzen 7, Ryzen 9, Athlon Processor Supported - 128 GB DDR4 SDRAM Maximum RAM - UDIMM, DIMM - 4 x Memory Slots - Gigabit Ethernet - HDMI - 6 x SATA Interfaces MICRO ATX MB 128GB DDR4 4400 O.C.
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.
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 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.
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 RGB lighting controls 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.
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.
| Audio Channels | 7.1 |
| Gigabit Ethernet | Yes |
| Onboard Video | CPU Dependent Video |
| Form Factor | Micro ATX |
| Width | 9.6" |
| Depth | 9.5" |
| Number of PCI Express x1 Slots | 2 |
| Number of Total Expansion Slots | 3 |
| Number of PCI Express x16 Slots | 1 |
| Total Number of PCI Express Slots | 3 |
| Maximum Memory | 128 GB |
| 128 GB | |
| Memory Technology | DDR4 SDRAM |
| Number of Memory Slots | 4 |
| Memory Form Factor | UDIMM |
| DIMM | |
| Memory Speed Supported | 3300 MHz |
| 3400 MHz | |
| 3466 MHz | |
| 3600 MHz | |
| 3733 MHz | |
| 3866 MHz | |
| 4000 MHz | |
| 3200 MHz | |
| 3000 MHz | |
| 2800 MHz | |
| 2666 MHz | |
| 2400 MHz | |
| 2133 MHz | |
| 4400 MHz | |
| 4400 MHz | |
| 4000 MHz | |
| 3866 MHz | |
| 3733 MHz | |
| 2133 MHz | |
| 2400 MHz | |
| 2666 MHz | |
| 2800 MHz | |
| 3000 MHz | |
| 3200 MHz | |
| 3300 MHz | |
| 3400 MHz | |
| 3466 MHz | |
| 3600 MHz |
| RAID Levels | 1 |
| 0 | |
| 10 | |
| Controller Type | Serial ATA/600 |
| RAID Supported | Yes |
| Package Contents |
|
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Environmental Certification | RoHS |
| Brand Compatibility | AMD |
| Number of SATA Interfaces | 6 |
| Total Number of Onboard USB Ports | 6 |
| Number of Onboard USB 2.0 Ports | 4 |
| Onboard S/PDIF Header | Yes |
| Number of M.2 Interfaces | 1 |
| Number of Onboard USB 3.2 Ports | 2 |
| HDMI | Yes |
| DVI | Yes |
| VGA | Yes |
| Number of Network (RJ-45) Ports | 1 |
| Total Number of USB Ports | 6 |
| Number of USB 3.2 Gen 1 Ports | 4 |
| Number of USB 3.2 Gen 2 Type-A Ports | 2 |
| Product Type | Desktop Motherboard |
| Manufacturer Part Number | PRIME B450M-A II |
| Manufacturer | ASUS Computer International |
| Product Model | B450M-A II |
| Product Name | Prime B450M-A II Desktop Motherboard |
| Product Line | Prime |
| Brand Name | Asus |
| Processor Supported | Ryzen 9 |
| Ryzen 3 PRO | |
| Ryzen 7 PRO | |
| Ryzen 7 | |
| Ryzen 5 Pro | |
| Athlon | |
| Ryzen 3 | |
| Ryzen 5 | |
| Total Processor Supported | 1 |
| Processor Socket | Socket AM4 |
| Chipset Manufacturer | AMD |
| Chipset Model | B450 |