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Customer Reviews
Model | ASUS PRIME B450M-A |
SKU | ASUS-PRIME-B450M-A |
Form Factor | Micro ATX |
CPU Socket Type | AM4 |
Chipset | AMD B450 |
Memory Slots | 4-288pin |
Memory Standard | DDR4 3200(O.C)/ 3000(O.C)/ 2800(O.C)/ 2666/ 2400/ 2133 |
Max Memory Supported | 64GB |
M.2 Slots | 1 x M.2 socket 3 with M Key, Type 2242/2260/2280/22110 (PCIE 3.0 x4 and SATA modes) storage devices support |
SATA III Slots | AMD B450 chipset: |
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 x1 | 2 x PCI Express 2.0 x1 slots |
Audio Chipset | Realtek ALC887 |
Audio Channels |
8 Channels * Use a chassis with HD audio module in the front panel to support an 8-channel audio output. |
Connectors | 1 x Aura RGB Strip Header |
Power Pins |
1 x 24-pin EATX Power connector 1 x 8-pin ATX 12V Power connector |
RAID | 0/1/10 |
LED Lighting Color | RGB |
Rear IO Ports |
1 x PS/2 keyboard (purple) 1 x PS/2 mouse port (green) 1 x DVI-D port 1 x D-Sub port 1 x HDMI 1 x RJ45 2 x USB 3.1 Gen 2 ports 4 x USB 3.1 Gen 1 ports |
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 |
Dimensions | 9.6" x 9.5" |
Description
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 ControlCan 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 FunctionWhen 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.
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.
Future-proof connectivity
USB 3.1 Gen 1 is right where you need it, with two 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.
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.
LED-illuminated control for PCIe slot and trace paths
Built-in LED lighting options illuminate your build in a variety of eye-catching styles.
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.

Thank you for your purchase.
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