PRIME B350M-A

CPU

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/7th Generation A-series/Athlon X4 Processors
* Refer to www.asus.com for CPU support list

Chipset

AMD B350

Memory

AMD Ryzen™ 2nd Generation/ Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics/ Ryzen™ 1st Generation Processors
4 x DIMM, Max. 64GB, DDR4 3200(O.C.)/3000(O.C.)/2933(O.C.)/2800(O.C.)/2666/2400/2133 MHz Un-buffered Memory
AMD 7th Generation A-Series/Athlon X4 Processors
4 x DIMM, Max. 64GB, DDR4 2400/2133 MHz Un-buffered Memory
Dual Channel Memory Architecture
ECC Memory (ECC mode) support varies by CPU.

Graphic

Integrated Graphics in the AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics/ 7th Generation A-Series APU
Multi-VGA output support : HDMI/DVI/RGB ports
- Supports HDMI 1.4b with max. resolution 4096  x 2160  @ 24  Hz / 2560  x 1600  @ 60  Hz
- Supports DVI-D with max. resolution 1920  x 1200  @ 60 Hz
- Supports RGB with max. resolution 1920  x 1200  @ 60  Hz
Maximum shared memory of 2048  MB (for iGPU exclusively)

Expansion Slots

AMD Ryzen™ 2nd Generation/ Ryzen™ 1st Generation Processors
1 x PCIe 3.0/2.0 x16 (x16 mode)
AMD Ryzen™ with Radeon™ Vega Graphics /7th Generation A-Series/Athlon X4 Processors
1 x PCIe 3.0/2.0 x16 (x8 mode)
AMD Athlon™ with Radeon™ Vega Graphics Processors
1 x PCIe 3.0/2.0 x16 (x4 mode)
AMD B350 chipset
2 x PCIe 2.0 x1

Storage

AMD B350 chipset :
4 x SATA 6Gb/s port(s), gray,
Support Raid 0, 1, 10
AMD Ryzen 2nd Generation/ Ryzen with Radeon Vega Graphics/ Athlon with Radeon Vega Graphics/ Ryzen 1st Generation/ 7th Generation A-Series/ Athlon X4 Processors :
2 x SATA 6Gb/s port(s), gray,
AMD Ryzen™ 2nd Generation/ Ryzen™ with Radeon™ Vega Graphics/ Ryzen™ 1st Generation Processors :
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
AMD 7th Generation A-Series/Athlon X4 Processors :
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 2 mode)*2
AMD 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)*2

LAN

Realtek® RTL8111H, 1 x Gigabit LAN Controller(s)

Audio

Realtek ALC887/897 8-Channel High Definition Audio CODEC

USB Ports

ASMedia® USB 3.2 Gen 2 controller :
2 x USB 3.1 port(s) (2 at back panel, teal blue)
AMD Ryzen™ 2nd Generation/ Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics/ Ryzen™ 1st Generation/ 7th Generation A-Series/ Athlon™ X4 Processors :
4 x USB 3.0 port(s) (4 at back panel, blue)
AMD B350 chipset :
2 x USB 3.0 port(s) (2 at mid-board)
AMD B350 chipset :
4 x USB 2.0 port(s) (4 at mid-board)

Special Features

ASUS 5X Protection III :
- ASUS SafeSlot Core: Fortified PCIe Slot prevents damage
- ASUS LANGuard: Protects against LAN surges, lightning strikes and static-electricity discharges!
- ASUS Overvoltage Protection: World-class circuit-protecting power design
- ASUS Stainless-Steel Back I/O: 3X corrosion-resistance for greater durability!
- ASUS DIGI+ VRM: 6  Phase digital power design
ASUS Exclusive Features :
- AI Suite 3
- Ai Charger
- PC Cleaner
ASUS Quiet Thermal Solution :
- Stylish Fanless Design Heat-sink solution
- ASUS Fan Xpert
ASUS EZ DIY :
- ASUS CrashFree BIOS 3 
- ASUS EZ Flash 3 
- ASUS UEFI BIOS EZ Mode
- Multi-language BIOS
ASUS Q-Design :
- ASUS Q-Slot
- ASUS Q-DIMM

Operating System Support

Windows® 10

Back I/O Ports

1 x PS/2 keyboard (purple)
1 x PS/2 mouse (green)
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)
4 x USB 3.2 Gen 1 (blue)
3 x Audio jack(s)

Internal I/O Ports

1 x CPU Fan connector(s) (1 x 4 -pin)
1 x Chassis Fan connector(s) (1 x 4 -pin)
1 x Fan RGB header
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 mode & PCIE mode)
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 Speaker connector

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

128 Mb Flash ROM, UEFI AMI BIOS, PnP,WfM2.0, SM BIOS 3.0, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, ASUS CrashFree BIOS 3, My Favorites, Last Modified log, F12 PrintScreen, ASUS DRAM SPD (Serial Presence Detect) memory information, F6 Qfan Control

Operating System

Windows® 10 64-bit
Windows® 7 64-bit *3

Form Factor

mATX Form Factor
9.6  inch x 9.45  inch ( 24.4  cm x 24  cm )

Note

1*The M.2 Socket shares bandwidth with the SATA6G_5/6 ports, therefore the SATA6G_5/6 ports cannot be used when a SATA/PCIE mode M.2 device is installed.
2*The M.2 Socket shares bandwidth with the SATA6G_5/6 ports, therefore the SATA6G_5/6 ports cannot be used when a SATA mode M.2 device is installed.
3*Windows 7 64-bit is only supported when using AMD Ryzen™ 2nd Generation/ Ryzen™ 1st Generation / 7th Generation A-series/ Athlon X4 Processor.
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