Asus ASUS Prime B450M-A II AMD AM4 (Ryzen 5000, 3rd/2nd/1st Gen Ryzen Micro ATX Motherboard (128GB DDR4, 4400 O.C.), NVMe, HDMI 2.0b/DVI/D-Sub, USB 3.2 Gen 2, BIOS Flashback, and Aura Sync)

Brand :ASUS Model :Prime B450M-A II 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 Chipset :AMD B450 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 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 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 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. Audio Chipset :Realtek High Definition Audio CODEC Audio Channels :7.1 Channels LAN Chipset :Realtek RTL8111H Max LAN Speed :1Gbps 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 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 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 :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. Package Contents :Accessories:User's manualI/O Shield2 x SATA 6Gb/s cable(s)1 x M.2 Screw Package1 x Supporting DVD