ASUS Prime B450 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 B450 Series motherboard, you build smart, easy and affordably.
Cooler by design
Prime B450 Series features the most comprehensive cooling controls ever, configurable via ASUS Fan Xpert software or the UEFI BIOS.
Make your memory faster
Featuring an array of trace layout tweaks that improve memory stability, PRIME B450 Series provides a potent foundation for your build. With comprehensive support for the full gamut of Ryzen memory configurations – from entry-level to performance-oriented – PRIME B450 Series is a versatile all-rounder that can work or play.
Media-acclaimed UEFI BIOS
The UEFI BIOS is an early waypoint on any PC-building journey, and Prime B450 Series has one of the best in the business.
Q-Fan Control
Can configure the fan’s operating speed manually, or use the easy pre-configured fan profiles to select Standard, Silent, Turbo or Full Speed modes, plus automatic switch to full speed if the temperature hits 75°C.
Search Function
When you’re ready for a deeper dive, Advanced mode enables full control over every aspect of the motherboard – with a built-in Search function to find the setting you need in the blink of an eye.
USB 3.1 Gen 2 Type-A
Ultimate-speed 10Gbps with USB 3.1 Gen 2 onboard
With backward-compatible USB 3.1 Gen 2 Type-A™, you’ll experience ultimate connection flexibility and blazing data-transfer speeds of up to 10Gbps – twice as fast as standard USB 3.1 Gen 1.
* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
USB 3.1 Gen 1 front-panel connector
Future-proof connectivity
USB 3.1 Gen 1 is right where you need it, with four super-speed headers for the front panel. Experience data-transfer speeds up to 10X faster than USB 2.0 with instant plug-and-play connectivity, and avoid back-breaking contortions in the hunt for hard-to-reach rear ports.
* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
M.2
Speed up with onboard M.2
With x4 PCI Express® 3.0/2.0 bandwidth, M.2 supports up to 32Gbps data-transfer speeds. It’s the perfect choice for an operating system or application drive, providing fast access to data.
* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
AMD StoreMI
Affordable acceleration for any hard drive
AMD StoreMI technology is a software utility that accelerates any drive for better system responsiveness with reduced startup and software load times. It combines SSD performance with the affordability and capacity of an HDD by automatically moving frequently accessed data to dedicated SSD storage.
Native M.2/NVMe PCIe RAID Support for Lightning Fast Storage Speed!
Not satisfied with single-storage device read/write speeds? Then join the fast lane and build a RAID 0 array using two PCIe storage drives to enjoy data transfers at lightning speeds.
Built to Last
ASUS is the world’s leading motherboard brand. Our motherboards are extensively tested for compatibility with more than 1,000 components and devices, and each new model undergoes a minimum of 8,000 hours of strict validation – offering the peace of mind of knowing that your ASUS motherboard is fit for all environments and applications. Choosing ASUS is an assurance of trouble-free DIY experiences.
Prime B450 Series motherboards are engineered with industry-leading 5X Protection III, employing the finest components, excellent circuit design and exacting standards to guarantee the quality and long-term durability of your investment. That means exceptional protection and stability for your build – thanks to decades of engineering experience from the world’s leading motherboard brand.
1000+ – Compatible devices and components
The superior compatibility of Prime B450 Series is evidenced by our extensive list of supported devices – which includes thousands of compatible components – and our Qualified Vendor List (QVL) that identifies memory compatibility. It all adds up to more choices for worry-free PC-building experiences.
8000+ – VALIDATION HOURS
ASUS motherboards offer superb endurance. We verify this by subjecting every board to more than 8,000 hours of stringent tests. A barrage of burn-in, environmental, compatibility, software and safety tests confirm that our motherboards are exceptionally robust. It also shows that ASUS reliability surpasses industry standards, ensuring that every component is designed to function flawlessly in any environment.
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-made audio capacitors
Premium parts provide an immersive sound signature, with exceptional fidelity.
Aura Sync Outshine the competition
A well-tuned enthusiast system deserves a matching aesthetic. ASUS Aura Sync offers full lighting connected via the motherboard’s RGB header, with a variety of functional presets for external LED strips.* And it can all be synced with an ever-growing portfolio of Aura-capable ASUS hardware.
Brighten Up Your Build
LED-illuminated control for PCIe slot and trace paths
Built-in LED lighting options illuminate your build in a variety of eye-catching styles.
Beyond VR ready
Complete your immersion
Prime B450 series isn’t just VR ready – it goes way beyond. The ASUS Beyond VR Ready marque means that Prime B450 series has been tested with loads of class-leading components to ensure that your productivity, gaming and entertainment needs are tuned for maximum performance. ASUS Beyond VR Ready opens up a new way to configure and build your dream system with total confidence.
Specifications
| Brand | ASUS |
|---|---|
| Model | PRIME B450-PLUS |
| CPU Socket Type | AM4 |
|---|---|
| CPU Type | AM4 socket for AMD Ryzen 2nd Generation/ Ryzen with Radeon Vega Graphics/ Ryzen 1st Generation Processors Supports CPU up to 8 cores* * Due to CPU limitation, CPU cores supported varies by processor. ** Refer to www.asus.com for the AMD CPU support list. |
| Chipset | AMD B450 |
|---|
| Number of Memory Slots | 4x288pin (DDR4) |
|---|---|
| Memory Standard | DDR4 3200(O.C)/ 3000(O.C)/ 2800(O.C)/ 2666/ 2400/ 2133 * Refer to www.asus.com for the Memory QVL (Qualified Vendors List). |
| Maximum Memory Supported | 64GB |
| Channel Supported | Dual Channel |
| PCI Express 3.0 x16 | AMD Ryzen 2nd Generation / Ryzen 1st Generation Processors 1 x PCIe 3.0/2.0 x16 (x16 mode)AMD Ryzen with Radeon Vega Graphics Processor 1 x PCIe 3.0/2.0 x16 (x8 mode) |
|---|---|
| PCI Express 2.0 x16 | 1 x PCI Express 2.0 x16 slots (max. at x4 mode) |
| PCI Express x1 | 3 x PCI Express 2.0 x1 slots |
| SATA 6Gb/s | AMD Ryzen 2nd Generation / Ryzen with Radeon Vega Graphics / Ryzen 1st Generation Processors: 2 x SATA 6Gb/s port(s) AMD B450 chipset: 4 x SATA 6Gb/s port(s) |
|---|---|
| M.2 | 1 x M.2 socket 3 with M Key, Type 2242/2260/2280/22110 (PCIE 3.0 x4 and SATA modes) storage devices support* * The M.2 Socket shares bandwidth with the SATA_5/6 ports, and therefore the SATA_5/6 ports cannot be used when an M.2 device is installed. |
| SATA RAID | 0/1/10 |
| Onboard Video Chipset | Integrated in the AMD Ryzen with Radeon Vega Graphics Processors Multi-VGA output support: HDMI/DVI-D ports – Supports HDMI 2.0b with maximum resolution of 4096 x 2160 @ 60 Hz – Supports DVI-D with max. resolution 1920 x 1200 @ 60 Hz |
|---|
| Audio Chipset | Realtek ALC887-VD2 |
|---|---|
| Audio Channels | 8 Channels * Use a chassis with HD audio module in the front panel to support an 8-channel audio output. |
| LAN Chipset | Realtek RTL8111H |
|---|---|
| Max LAN Speed | 1Gbps |
| Back I/O Ports | 1 x PS/2 keyboard/mouse combo port(s) 1 x DVI-D 1 x HDMI 1 x LAN (RJ45) port(s) 1 x 5Gb/s port(s) USB Type-C 2 x USB 3.1 Gen 2 (teal blue)Type-A 2 x USB 3.1 Gen 1 (blue) Type-A 2 x USB 2.0 3 x Audio jack(s) |
|---|---|
| PS/2 | 1 x PS/2 keyboard/mouse port |
| Video Ports | 1 x DVI port |
| HDMI | 1 x HDMI 2.0 port |
| RJ45 | 1 x RJ45 |
| USB 3.1 | 2 x USB 3.1 Gen 2 (up to 10Gbps) ports (Type A, teal blue) 1 x USB 3.1 Gen 1 (up to 5Gbps) port (Type C) 2 x USB 3.1 Gen 1 (up to 5Gbps) ports (Type A, blue) |
| USB 1.1/2.0 | 2 x USB 2.0 |
| Audio Ports | 3 Ports |
| Onboard USB | 1 x USB 3.1 Gen 1 (up to 5Gbps) connector(s) support(s) additional 2 USB 3.1 Gen 1 port(s) (19-pin) 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s) |
|---|---|
| Other Connectors | 1 x Aura RGB Strip Header 1 x CPU Fan connector(s) (1 x 4-pin) 3 x Chassis Fan connector(s) (3 x 4-pin) 1 x AIO_PUMP connector (1 x 4-pin) 1 x Front panel audio connector(s) (AAFP) 1 x System panel(s) 1 x Clear CMOS jumper(s) 1 x COM port header |
| Form Factor | ATX |
|---|---|
| LED Lighting | RGB |
| Dimensions (W x L) | 12.0″ x 9.2″ |
| Power Pin | 1 x 24-pin EATX Power connector(s) 1 x 8-pin ATX 12V Power connector(s) |
| Features | Multi-GPU Support: Supports AMD CrossFireX TechnologySpecial Features: ASUS TUF PROTECTION – ASUS SafeSlot Core: Fortified PCIe with solid soldering – ASUS ESD Guard: Enhanced ESD protection – ASUS Overvoltage Protection: World-class circuit-protecting power design – ASUS Stainless-Steel Back I/O: 3X corrosion-resistance for greater durability! – ASUS DIGI+ VRM: 6 Phase digital power design ASUS Exclusive Features: – AI Suite 3 – Ai Charger – PC Cleaner ASUS Quiet Thermal Solution: – Stylish Fanless Design Heat-sink solution & MOS Heatsink – ASUS Fan Xpert 4 Core ASUS EZ DIY: – ASUS CrashFree BIOS 3 – ASUS EZ Flash 3 – ASUS UEFI BIOS EZ Mode ASUS Q-Design: – ASUS Q-Slot – ASUS Q-DIMM Overclocking Protection: – ASUS C.P.R. (CPU Parameter Recall)BIOS: 128MB Flash ROM, UEFI AMI BIOS, PnP, SM BIOS 3.1, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, ASUS CrashFree BIOS 3, F3 My Favorite, Last Modified log, F12 PrintScreen, F4 AURA ON/OFF, F9 Search and ASUS DRAM SPD (Serial Presence Detect) memory informationManageability: WOL by PME, PXEOperating System: Windows 10 64-bit |
|---|
| Package Contents | Accessories: User’s manual I/O Shield 2 x SATA 6Gb/s cable(s) 1 x M.2 Screw Package 1 x Supporting DVD |
|---|
