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ASUS Motherboard Prime B450M-A II B450 AMD Socket AM4 Max.128GB DDR4 HDMI/D-Sub mATX

PRIME B450M-A/CSM
ASUS Motherboard Prime B450M-A II B450 AMD Socket AM4 Max.128GB DDR4 HDMI/D-Sub mATX
PRIME B450M-A/CSM
ASUS Motherboard Prime B450M-A II B450 AMD Socket AM4 Max.128GB DDR4 HDMI/D-Sub mATX
PRIME B450M-A/CSM
ASUS Motherboard Prime B450M-A II B450 AMD Socket AM4 Max.128GB DDR4 HDMI/D-Sub mATX
PRIME B450M-A/CSM
ASUS Motherboard Prime B450M-A II B450 AMD Socket AM4 Max.128GB DDR4 HDMI/D-Sub mATX
PRIME B450M-A/CSM
ASUS Motherboard Prime B450M-A II B450 AMD Socket AM4 Max.128GB DDR4 HDMI/D-Sub mATX
PRIME B450M-A/CSM
ASUS Motherboard Prime B450M-A II B450 AMD Socket AM4 Max.128GB DDR4 HDMI/D-Sub mATX
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Product Details
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
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.


Detail Specifications
CPU
AMD Socket AM4 for 3rd /2nd /1st Gen AMD RyzenTM / 2nd and 1st Gen AMD RyzenTM with RadeonTM Vega Graphics / AthlonTM with RadeonTM Vega Graphics Processors
Chipset
AMD B450 Chipset
Memory
4 x DIMM, Max. 128GB, DDR4 4400(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3300(O.C.)/3200(O.C.)/3000(O.C.)/2800(O.C.)/2666/2400/2133 MHz, Un-buffered Memory
Dual Channel Memory Architecture
ECC memory(ECC mode) support varies by CPU.
The maximum memory frequency supported varies by processor.
Graphics
Integrated Graphics in the 2nd and 1st Gen AMD RyzenTM with RadeonTM Vega Graphics / AthlonTM with RadeonTM Vega Graphics Processors
1 x D-Sub
1 x DVI-D
1 x HDMITM 2.0b
Graphics specifications may vary between CPU types.
Expansion Slots
3rd /2nd /1st Gen AMD RyzenTM Processors
1 x PCIe 3.0 x16 slot (supports x16 mode)
2nd and 1st Gen AMD RyzenTM with RadeonTM Vega Graphics Processors
1 x PCIe 3.0 x16 slot (supports x8 mode)
AthlonTM with RadeonTM Vega Graphics Processors
1 x PCIe 3.0 x16 (supports x4 mode)
AMD B450 Chipset
2 x PCIe 2.0 x1 slots
Storage
Total supports 1 x M.2 slot and 6 x SATA 6Gb/s ports
3rd /2nd /1st Gen AMD RyzenTM / 2nd and 1st Gen AMD RyzenTM with RadeonTM Vega Graphics Processors
M.2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 and SATA modes)
AthlonTM with RadeonTM Vega Graphics Processors
M.2 slot (Key M), type 2242/2260/2280/22110 (support SATA mode)
3rd /2nd /1st Gen AMD RyzenTM / 2nd and 1st Gen AMD RyzenTM with RadeonTM Vega Graphics / AthlonTM with RadeonTM Vega Graphics Processors
2 x SATA 6Gb/s ports with RAID 0, 1, 10 support
AMD B450 Chipset
4 x SATA 6Gb/s ports with RAID 0, 1, 10 support
The M.2 slot shares bandwidth with the SATA6G_5/6 ports, and therefore the SATA6G_5/6 ports cannot be used when an M.2 device is installed.
Ethernet
1 x Realtek RTL8111H 1Gb Ethernet
USB
Rear USB (Total 6 ports)
2 x USB 3.2 Gen 2 ports (2 x Type-A)
4 x USB 3.2 Gen 1 ports (4 x Type-A)
Front USB (Total 6 ports)
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports
Audio
Realtek 7.1 Surround Sound High Definition Audio CODEC
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback
Audio Features
- Audio Shielding
- LED-illuminated audio trace path design
- Premium Japanese audio capacitors
- Dedicated audio PCB layers
A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
Back Panel I/O Ports
2 x USB 3.2 Gen 2 ports (2 x Type-A)
4 x USB 3.2 Gen 1 ports (4 x Type-A)
1 x D-Sub port
1 x DVI-D port
1 x HDMITM port
1 x Realtek RTL8111H 1Gb Ethernet port
3 x Audio jacks
1 x BIOS FlashBackTM button
1 x PS/2 Keyboard/Mouse combo port
Internal I/O Connectors
Fan and cooling related
1 x 4-pin CPU Fan header
2 x 4-pin Chassis Fan headers
Power related
1 x 24-pin Main Power connector
1 x 8-pin +12V Power connector
Storage related
1 x M.2 slot (Key M)
6 x SATA 6Gb/s ports
USB
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports
Miscellaneous
1 x AURA RGB header
1 x Clear CMOS header
1 x COM Port header
1 x Front Panel Audio header (AAFP)
1 x S/PDIF Out header
1 x Speaker header
1 x SPI TPM header (14-1pin)
1 x 10-1 pin System Panel header
Special Features
ASUS 5X PROTECTION III
- ASUS DIGI+ VRM
- ASUS LANGuard
- ASUS Overvoltage Protection
- ASUS SafeSlot Core
- ASUS Stainless-Steel Back I/O
ASUS Q-Design
- ASUS Q-DIMM
- ASUS Q-Slot
ASUS Thermal Solution
- Aluminum heatsink design
ASUS EZ DIY
- BIOS FlashBackTM button
- BIOS FlashBackTM LED
AURA Sync
- AURA RGB header
ASUS Lighting Control
Software Features
ASUS Exclusive Software
Armoury Crate
- AURA Creator
- AURA Sync
AI Suite 3
- Performance and Power Saving Utility
TurboV EVO
EPU
DIGI+ VRM
Fan Xpert 2+
PC Cleaner
- EZ update
- System Information
ASUS CPU-Z
AI Charger
ASUS EZ Installer
DAEMON Tools
Norton Anti-virus software (Free Trial for 60 days)
WinRAR
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
BIOS
256 Mb Flash ROM, UEFI AMI BIOS
Manageability
WOL by PME, PXE
Accessories
Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x I/O Shield
1 x M.2 SSD screw package
Installation Media
1 x Support DVD
Documentation
1 x User manual
Operating System
Windows 10 64-bit
Windows 7 64-bit
To support Windows 7 64-bit, please install an AMD RyzenTM 2nd Generation or RyzenTM 1st Generation Processor.
Form Factor
mATX Form Factor
Item Dimension (L"x W"x H")
11 x 11 x 3
Weight
3.00 LB
Warranty Information
3 Years


SKU: MBAM4-PRIME B450M-A II
Brand: ASUS
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
Chipset: B450
CPU Type: AM4
# of Memory Slots: 4
Brand: ASUS
Memory Technology: DDR4 Support
Form Factor: MATX
List Price: $94.99
Price: $86.99
You Save: $8.00 (8%)
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