| Marketing description |
| ASUS Prime B450 series motherboards provide the solid foundation you need for your first build, plus the flexibility to grow with your ambitions. All the good things that go into AMD Ryzen processors are combined with ASUS' core design and engineering, so you benefit from industry-leading technologies - including automatic system tuning, comprehensive cooling control and immersive onboard audio. When you build with an ASUS Prime B450 Series motherboard, you build smart, easy and affordable. |
| Product features |
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Comprehensive energy efficiency
With the Power Processing Unit (EPU), you'll enjoy system-wide power savings. The EPU automatically optimizes power consumption and increases savings with Away mode.
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Flexible cooling control for air or liquid
With the Prime B450-PLUS motherboard, you have complete control over fans, water pumps, and even all-in-one (AIO) coolers, all through Fan Expert 4 Core. Whether you are cooling with air or water, the Auto-Tuning mode intelligently configures all parameters with one click.
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Cooling by design
Prime B450 Series features comprehensive cooling control, configurable via ASUS Fan Xpert software or UEFI BIOS.
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Improve your memory faster
With a series of routing changes that improve memory stability, the PRIME B450 Series provides a powerful foundation for your configuration. With comprehensive support for the full range of Ryzen memory configurations - from entry-level to performance-oriented - the PRIME B450 Series is an all-rounder that can work or play.
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Media recognized UEFI BIOS
The UIEFI BIOS is an early starting point in any PC building journey, and the Prime B450 Series has one of the best in the industry.
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USB 3.1 Gen 2 Type-A
With backward compatible USB 3.1 Gen2 Type-A, you'll enjoy maximum connectivity flexibility and lightning-fast data transfer speeds of up to 10Gbps - twice as fast as standard USB 3.1 Gen1.
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Front panel USB 3.1 Gen1 connector
USB 3.1 Gen1 is right where you need it, with four superfast front panel headers. Enjoy data transfer speeds up to 10x faster than USB 2.0 with instant Plug-and-Play connectivity and avoid bending your back in search of hard-to-reach rear ports.
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5X Protection III
B450 series motherboards are designed with 5X Protection III, using fine components, excellent circuit design and strict standards to ensure the quality and long-term durability of your investment. This means exceptional protection and stability for your assembly - thanks to decades of engineering experience.
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Compatible devices and components
The superior compatibility of the Prime B450 series is demonstrated by an extensive list of supported devices - which includes thousands of compatible components - and the Qualified Vendor List (QVL), which defines memory compatibility. All of this adds up to more options for carefree PC building.
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Exceptional sound
Smart design and premium hardware create sound quality unmatched by anything you've ever experienced!
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Eliminate the competition with Aura Sync
A well-tuned enthusiast system deserves an aesthetic to match. ASUS Aura Sync offers full lighting connected via the motherboard's RGB header, with a variety of functional settings for external LED strips. And all of this can be synced with ASUS' ever-expanding portfolio of Aura-enabled hardware.
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Refresh your build
Built-in LED lighting illuminates your assembly in a variety of eye-catching styles.
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Beyond VR Ready
The Prime B450 Series isn't just VR-ready - it goes way beyond. ASUS Beyond VR Ready branding means the Prime B450 series has been tested with multiple class-leading components to ensure your productivity, gaming and entertainment needs are tuned for maximum performance. ASUS Beyond VR Ready discovers a different way to configure and build your dream system with complete confidence.
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| Total |
| Product type |
Motherboard - ATX |
| Chipset type |
AMD B450 |
| CPU socket |
Socket AM4 |
| Max. number of processors |
1 |
| Compatible processors |
Ryzen (supports 1st and 2nd generation Ryzen / Ryzen with Radeon Vega Graphics) |
| Supported RAM |
| maximum size |
64 GB |
| Technology |
DDR4 |
| Tire tread |
2400 MHz, 2133 MHz, 2666 MHz, 2800 MHz (OC), 3000 MHz (OC), 3200 MHz (OC) |
| Supported RAM integrity check |
ECC |
| Logged or buffered |
Unbuffered |
| Properties |
Dual channel memory architecture |
| Audio |
| Type |
HD Audio (8-channel) |
| Audio Codec |
Realtek ALC887-VD2 |
| Appropriate standards |
High definition audio |
| LAN |
| Network controller |
Realtek RTL8111H |
| Network interfaces |
Gigabit Ethernet |
| Extension / Connectivity |
| Expansion slots |
1 x CPU
4 x DIMM 288-pin
1 x PCIe 3.0 x16 (x16 mode (with 1st and 2nd generation Ryzen processors); x8 mode (with Ryzen with Radeon Vega Graphics))
3 x PCIe 2.0 x1
1 x PCIe 2.0 x16 (x4 mode) |
| Storage Locations |
SATA-600 -pins: 4 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10
SATA-600 -pins: 2 x 7pin Serial ATA
SATA-600 / PCIe 3.0 - connectors: 1 x M.2 |
| Interfaces |
1 x LAN (Gigabit Ethernet)
2 x USB 3.1 Gen 1
1 x PS/2 keyboard/mouse
1 x audio line-in - minijack
1 x audio line-out - minijack
1 x microphone - minijack
2 x USB 2.0
1 x DVI-D
1 x HDMI
2 x USB 3.1 Gen 2
1 x USB-C Gen1 |
| Internal interfaces |
4 x USB 2.0 - header
2 x USB 3.1 Gen 1 - header
1 x serial header
1 x SPDIF out header
1 x audio header |
| Power connectors |
24-pin main power connector, 8-pin ATX12V connector |
| Functions |
| BIOS type |
AMI |
| BIOS functions |
Multi-language BIOS, ASUS Quiet Thermal Solution, UEFI BIOS, ASUS EZ Flash 3, ACPI 6.1 support, SMBIOS 3.1 support |
| Sleep/wake |
Wake on LAN (WOL), wake on PME |
| Hardware Features |
CPR (CPU Parameter Recall), ASUS Q-Design, ESD Guards, Q-DIMM, Q-Slot, CrashFree BIOS 3, 6-phase power supply design, ASUS DIGI VRM, heatsink with fanless design, AMD CrossFireX technology support, Preboot eXecution Environment (PXE), ASUS Stainless Steel Back I/O, LANGuard, ASUS Overvoltage Protection, ASUS SafeSlot Core, ASUS Fan Xpert 4 Core, AMD StoreMI technology, NVM Express RAID support, ASUS Aura Sync |
| Different |
| Accessories included |
1 x M.2 screw, I/O back cover |
| Cables included |
2 x Serial ATA cable |
| Software included |
Drivers and Utilities, ASUS AI Charger, ASUS AI Suite III, PC Cleaner, ASUS EZ Flash 3, File Transfer |
| Width |
30.5 cm |
| Depth |
23.4 cm |
