ASUS PRIME B450M-A/CSM: The PRIME Client Stable Model B450 Motherboard
Designed For all AMD Ryzen™ 3, 5 and 7 Series Processors
This PRIME B450M-A/CSM B450 Chipset based Motherboard is fully compatible with all AMD Ryzen™ 3, 5 and 7 Series Processors. It is also fully compatible with the 2200G and 2400G Series Ryzen Processors with Integrated Radeon Graphics, offering these CPUs 4K UHD HDMI and DisplayPort Video Out Ports1. Other standard features include CSM stability and reliability, a M.2 PCI-E 3.0 x4 slot, Gigabit Ethernet and 7.1 Channel Audio support with HD Audio!
ASUS PRIME CSM Motherboard
Optimized for high volume Enterprise installations, 5X Protection III hardware-level safeguards help ensure product reliability and stability. This ROG STRIX Motherboards offer great value and consistency to Enterprise deployments. CSM Motherboards are most often used for typical corporate offices & larger SOHO applications. ASUS CSM motherboards are always a great choice when performance and reliability are mission critical.
- For All 1st and 2nd Gen AMD® Ryzen™ AM4 processors
- Maximize your connectivity and speed with a NVMe M.2 slot, USB 3.1 Gen2, DDR4 and Gigabit LAN
- ASUS Corporate Stable Model complimentary Advance Replacement and long lifecycle with a COM header and PS2 ports for legacy needs
- 5X Protection III hardware-level safeguards provide component longevity and reliability
- Aura Sync RGB header provides a nearly endless spectrum of colors with the ability to synchronize effects across an ever-expanding ecosystem of enabled products
- Patent-pending SafeSlot Core fortified PCIe slot prevents damage caused by heavyweight GPUs
Time For ASUS PRIME Motherboards
ASUS Prime B450 Series motherboards provide the solid foundation needed for your first build, plus flexibility to grow with your ambitions. ASUS has 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.
Tune It Your Way
All-Round Energy Efficiency:
With the Energy Processing Unit (EPU) you'll enjoy system-wide power savings. The EPU automatically optimizes power consumption and maximizes savings with Away mode.
Fan Xpert 2+
Flexible Cooling Controls:
Prime 8450 Series motherboards offer comprehensive control over system fans, via the included Fan Expert 2+ software. Auto Tuning mode intelligently configures all parameters with a single click.
Cooler by Design
Prime B450 Series features the most comprehensive cooling controls ever, configurable via ASUS Fan Xpert software or the UEFI BIOS.
- Multiple Temperature Sources
Each header can be set to monitor and react to up to three thermal sensors. Via Fan Xpert, you can also assign a sensor to monitor the temperature of supported ASUS graphics cards to ensure optimal cooling during GPU- or CPU-intensive workloads
- 4-pin PWM/DC Fan
Each onboard CHA FAN header supports PWM and DC mode
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, the 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 Ports: 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 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.
- M.2: High Speed onboard SSD Storage
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.
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.
5x Protection III: Durable Reliability
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.
SafeSlot Core: Fortified PCIe Slot Prevents Damage
SafeSlot Core is the ASUS-exclusive PCIe® slot. Featuring a fortified design that's anchored to the motherboard by a special hook, Safeslot Core provides 1.6X-stronger retention and 1.3X-greater shearing resistance than standard expansion slots.
Our Prime B450 Series motherboards also have strengthened solder points around both the PCIe and DIMM pins.
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.
- 5X Protection III
Hardware safeguards to ensure long-term durability
- 520+ Compatible DDR4 Products
Industry-leading DDR4 memory compatibility for best flexibility and reassurance
- 1000+ Compatible Devices
Compatibility with a range of CPUs, memory modules, graphics cards and more
- 8000+ Validation Hours
Extensive testing with latest components for enhanced reliability, compatibility and safety
LANGuard: Pumped-up throughput, 2.5X-higher surge tolerance
ASUS LANGuard is hardware-level networking protection that employs signal-coupling technology and premium anti-EMI surface-mounted capacitors to ensure a more reliable connection and better throughput.
Overvoltage Protection: World-class circuit-protecting power design
An exclusive circuit design with built-in voltage regulators protects your motherboard from damage caused by unexpected high-level voltages from unstable or inferior power supplies.
DIGI+ VRM: Precision control for stable power
ASUS-exclusive DIGI+ VRM intelligently delivers power to the processor based on real-time demands, reducing energy waste and improving system stability.
DRAM Overcurrent Protection: Short-circuit damage prevention
Onboard resettable fuses prevent overcurrent and short-circuit damage. This extends beyond I/O ports to DRAM; so it provides a safeguard to protect the lifespan of your system and connected devices.
Stainless-steel back I/O panel: 3X corrosion-resistance for greater durability
Corrosion-resistant stainless-steel back I/O panels bonded with chromium oxide assure a lifespan that's 3X longer than ordinary panels.
ESD Guards: Electrostatic discharge protection
ASUS ESD Guards prolong the life of components while preventing damage from electrostatic discharge, providing protection for up to ±10kV of air discharge and ±6kV of contact discharge.
Upgrade to Unrivalled Audio
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
Visual Beauty, Virtual Worlds
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.
* The Aura RGB-strip header supports 5050 RGB LED strips with a max power rating of 3A (12V). For maximum brightness, strip length should not exceed 3m. Optional LED strips and Aura Sync-compatible devices are sold separately.
12 RGB LED Visual Effects:
- Color Cycle
- CPU Temperature
- Flash & Dash
- Music Effect
- Starry Night
- Yo Yo
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.
AMD CPU AND CHIPSET FEATURES
AM4 socket for AMD Ryzen™ 1st & 2nd Gen or Ryzen™ with Radeon™ VEGA Graphics Processors
The AMD Ryzen™ processor is based on the innovative Zen core architecture and features up to eight cores and Radeon™ Vega integrated graphics. Together with dual-channel DDR4 memory, native 5Gbps USB 3.1 Gen 1 and 16 PCI Express® 3.0/2.0 lanes, these AMD AM4-socket processors deliver superb computing performance.
AMD B450 Chipset
The AMD B450 chipset delivers high performance and flexibility with the latest AMD® AM4-socket Ryzen™ processors. It also offers AMD StoreMI storage acceleration technology and provides up to two 10Gbps USB 3.1 Gen2 ports, two USB 3.1 Gen1 ports, and four 6Gbps SATA ports for faster data retrieval.
Supports both types of Ryzen™ Processors:
- Supports AMD® Ryzen™ 3 / 5 / 7 Series Processors (without integrated Radeon Vega Graphics)
- Supports AMD® Ryzen™ with Radeon Vega Graphics Processors (with integrated Radeon Vega Graphics)
Operating System Support:
- Windows® 10, 64bit
- AMD® Ryzen™ 3 / 5 / 7 Series Processors
- AMD® Ryzen™ with Radeon Vega Graphics Processors:
- Ryzen™ 5 2400G Processors
- Ryzen™ 3 2200G Processors
|Make and Model||ASUS PRIME B450M-A/CSM Motherboard|
|CPU Support||Supports AMD® Ryzen™ Series 3 / 5 / 7 Processors for Socket AM4
Supports AMD® Ryzen™ with Radeon Vega Graphics Processors for Socket AM4
|Chipset||AMD® B450 Chipset|
|CPU Socket||AMD Socket AM4|
|Memory||4x DDR4 DIMM Slots, 64GB Maximum (4x 16GB)
Uses Stock Clocked RAM up to DDR4-2666
Uses Overclocked RAM up to DDR4-3200
Dual Channel Memory Architecture
|Expansion Slots||With AMD Ryzen™ 1st & 2nd Gen Processors
1x PCIe 3.0/2.0 x16 (up to x16 mode)
2x PCIe 2.0 x1
With AMD Ryzen™ with Radeon™ Vega Graphics Processors:
|Multi-GPU Support||Multi-GPUs not supported by single PCI-E x16 Card Slot|
|Video Out Ports1||Integrated in the AMD Ryzen™ with Radeon™ Vega Graphics Processors Only:
1x HDMI 2.0b port, up to 4,096 x 2,160 @ 60Hz
1x DVI-D port, up to 1,920 x 1,200 @ 60Hz
1x D-Sub VGA Analog port
|Storage||All AMD Ryzen™ Processors:
1x M.2 Socket 3, with M key, type 2242 / 2260 / 2280 / 22110 for SATA & PCIE 3.0 x4 SSDs
6x SATA 6Gb/s ports w/ RAID 0, 1, 10
2x USB 3.1 Gen2 (10Gbps) Type-A ports (Teal)
4x USB 3.1 Gen1 (5Gbps) Type-A ports (Blue)
|LAN||Realtek® 8111H Chipset:
1x Gigabit RJ45 LAN port
|Audio||Realtek® ALC887 HD Audio CODEC:
8-Channel 7.1 High Definition Audio
LED-illuminated design: Brighten up your build with the gorgeous illuminated audio trace path
|Back Panel I/O||1x PS/2 keyboard (purple)
1x PS/2 mouse (green)
1x DVI-D port
1x D-Sub port
1x HDMI port
1x LAN (RJ45) port
2x USB 3.1 Gen2 Type-A (teal) ports
4x USB 3.1 Gen1 Type-A (blue) ports
3x 3.5mm Audio jacks
|Internal I/O Connectors||1x Aura RGB Strip Header
1x USB 3.1 Gen1 conneector for 2x USB 3.1 Gen 1 ports
2x USB 2.0 connector for 4x USB 2.0 ports
1x M.2 Socket 3 with M key, type 2242 / 2260 / 2280 / 22110 in SATA or PCIE 3.0 x4 modes
1x TPM header
1x COM ports connectors
6x SATA 6Gb/s connectors
1x CPU Fan connectors (1 x 4 -pin)
2x Chassis Fan connectors (2 x 4 -pin)
1x S/PDIF out headers
1x 24-pin EATX Power connectors
1x 8-pin ATX 12V Power connectors
1x Front panel audio connectors (AAFP)
1x System panels
1x Clear CMOS jumpers
1x Speaker connector
|Form Factor||mATX Form Factor|
|Dimensions (LxW)||244 x 244mm|
- Rear Panel Video Port use requires a compatible AMD® Ryzen™ with Radeon Vega Graphics Processor for AM4 Socket