ASUS PRIME B450M-A II Micro-ATX Motherboard

CPU

AMD AM4 Socket for AMD Ryzen™ 5000 Series/5000 G-Series/4000 G-Series/3rd/2nd/1st Gen AMD Ryzen™/2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/Athlon™ with Radeon™ Vega Graphics Processors

Chipset

AMD B450

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.

Graphics

Integrated Graphics in the 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/Athlon™ with Radeon™ Vega Graphics Processors

1 x D-Sub, 1 x DVI-D, 1 x HDMI™ port

Graphics specifications may vary between CPU types.

Expansion Slots

3rd/2nd/1st Gen AMD Ryzen™ Processors: 1 x PCIe 3.0 x16 (x16 mode)

2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Processors: 1 x PCIe 3.0 x16 (x8 mode)

AMD Athlon™ with Radeon™ Vega Graphics Processors: 1 x PCIe 3.0 x16 (x4 mode)

AMD B450 chipset: 2 x PCIe 2.0 x1

Storage

Total supports 1 x M.2 slot(s) and 6 x SATA 6Gb/s ports

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 x 4 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)

3rd/2nd/1st Gen AMD Ryzen™/2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/Athlon™ with Radeon™ Vega Graphics Processors: 2 x SATA 6Gb/s port(s), Support Raid 0, 1, 10

AMD B450 chipset: 4 x SATA 6Gb/s port(s), Support Raid 0, 1, 10

LAN

Realtek® RTL8111H, ASUS LANGuard

Audio

Realtek ALC887/897 7.1-Channel High Definition Audio CODEC

Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback

LED-illuminated design, Audio Shielding, Dedicated audio PCB layers, Premium audio capacitors

USB Ports

Rear USB Port (Total 6): 2 x USB 3.2 Gen 2 (up to 10Gbps) Type-A, 4 x USB 3.2 Gen 1 Type-A

Front USB Port (Total 6): 2 x USB 3.2 Gen 1 Type-A, 4 x USB 2.0

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 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 FlashBack™ button, BIOS FlashBack™ LED, AURA Sync, AURA RGB header, ASUS Lighting Control)

Back I/O Ports

1 x PS/2 keyboard/mouse combo port(s), 1 x DVI-D, 1 x D-Sub, 1 x HDMI, 1 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-A, 3 x Audio jack(s), 1 x BIOS FlashBack™ Button(s)

Internal I/O Ports

1 x CPU Fan connector(s) (1 x 4-pin), 2 x Chassis Fan connector(s) (2 x 4-pin), 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), 1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode), 1 x SPI TPM header, 1 x COM port(s) connector(s), 6 x SATA 6Gb/s connector(s), 1 x S/PDIF out header(s), 1 x 24-pin EATX Power connector(s), 1 x 8-pin ATX 12V Power connector(s), 1 x Front panel audio connector(s) (AAFP), 1 x System panel(s), 1 x Clear CMOS jumper(s), 1 x COM port header, 1 x Speaker connector, 1 x RGB Header

Accessories

User´s manual, I/O Shield, 2 x SATA 6Gb/s cable(s), 1 x M.2 Screw Package, 1 x Supporting DVD

BIOS

256 Mb Flash ROM, UEFI AMI BIOS

Operating System

Windows® 10 64-bit, Windows® 7 64-bit *2

Form Factor

mATX Form Factor, 9.6 inch x 9.5 inch (24.4 cm x 24 cm)

Note

1*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.

2*To support Windows 7 64-bit, please install an AMD Ryzen™ 2nd Generation or Ryzen™ 1st Generation Processor.