ASUS Prime B450M-A II AMD AM4 (Ryzen 5000, 3rd/2nd/1st Gen Ryzen Micro ATX

Model
Brand
ASUS
Model
Prime B450M-A II
Supported CPU
CPU Socket Type
AM4
CPU Type
AMD AM4 Socket for 3rd/2nd/1st Gen AMD Ryzen / 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics / Athlon with Radeon Vega Graphics Processors ** Refer to www.asus.com for CPU support list
Chipsets
Chipset
AMD B450
Memory
Number of Memory Slots
4x288pin (DDR4)
Memory Standard
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 *ECC Memory (ECC mode) support varies by CPU.* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).* The maximum memory frequency supported varies by processor.
Maximum Memory Supported
128GB
Channel Supported
Dual Channel
Expansion Slots
PCI Express 3.0 x16
3rd/2nd/1st Gen AMD Ryzen Processors1 x PCIe 3.0 x16 (x16 mode)2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics Processors1 x PCIe 3.0 x16 (x8 mode)AMD Athlon with Radeon Vega Graphics Processors1 x PCIe 3.0 x16 (x4 mode)
PCI Express x16
None
PCI Express x1
2 x PCI Express 2.0 x1 slots
Storage Devices
SATA 6Gb/s
6 x SATA 6Gb/s
M.2
3rd/2nd/1st Gen AMD Ryzen / 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics: *1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x4 mode)Athlon with Radeon Vega Graphics Processors: *1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA mode)* 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.
SATA RAID
0/1/10
Onboard Video
Onboard Video Chipset
Integrated Graphics in the 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics / Athlon with Radeon Vega Graphics Processors *1 x D-Sub1 x DVI-D1 x HDMI 2.0b* Graphics specifications may vary between CPU types.
Onboard Audio
Audio Chipset
Realtek High Definition Audio CODEC
Audio Channels
7.1 Channels
Onboard LAN
LAN Chipset
Realtek RTL8111H
Max LAN Speed
1Gbps
Rear Panel Ports
Back I/O Ports
1 x PS/2 keyboard/mouse combo port(s)1 x DVI-D1 x D-Sub1 x HDMI1 x LAN (RJ45) port(s)2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A)4 x USB 3.2 Gen 1 (blue) Type-A3 x Audio jack(s)1 x BIOS FlashBack Button(s)
HDMI
1 x HDMI
USB 3.0
3 x USB 3.0
Internal I/O Connectors
Onboard USB
1 x USB 3.2 Gen 1 (up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 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 CPU Fan connector(s) (1 x 4-pin)2 x Chassis Fan connector(s) (2 x 4-pin)1 x SPI TPM header1 x COM port(s) connector(s)1 x S/PDIF out header(s)1 x Front panel audio connector(s) (AAFP)1 x System panel(s)1 x Clear CMOS jumper(s)1 x COM port header1 x Speaker connector1 x RGB Header
Physical Spec
Form Factor
Micro ATX
LED Lighting
RGB
Dimensions (W x L)
9.6″ x 9.5″
Power Pin
1 x 24-pin EATX Power connector(s)1 x 8-pin ATX 12V Power connector(s)
Windows 11 Compatibility
Windows 11
Supported
Features
Software Features:ASUS Exclusive SoftwareArmoury Crate- AURA Creator- AURA SyncAI Suite 3- Performance and Power Saving UtilityTurboV EVOEPUDIGI+ VRMFan Xpert 2+PC Cleaner- EZ update- System InformationASUS CPU-ZAI ChargerASUS EZ InstallerDAEMON ToolsNorton Anti-virus software (Free Trial for 60 days)WinRARUEFI BIOSASUS EZ DIY- ASUS CrashFree BIOS 3- ASUS EZ Flash 3- ASUS UEFI BIOS EZ ModeASUS Special Features:ASUS 5X PROTECTION III- ASUS DIGI+ VRM- ASUS LANGuard- ASUS Overvoltage Protection- ASUS SafeSlot Core- ASUS Stainless-Steel Back I/OASUS Q-Design- ASUS Q-DIMM- ASUS Q-SlotASUS Thermal Solution- Aluminum heatsink designASUS EZ DIY- BIOS FlashBack button- BIOS FlashBack LEDAURA Sync- AURA RGB headerASUS Lighting Control BIOS:256MB Flash ROM, UEFI AMI BIOSOperating System:Windows 10 64-bitWindows 7 64-bit ** To support Windows 7 64-bit, please install an AMD Ryzen 2nd Generation or Ryzen 1st Generation Processor.
Packaging
Package Contents
Accessories:User’s manualI/O Shield2 x SATA 6Gb/s cable(s)1 x M.2 Screw Package1 x Supporting DVD