ASUS Prime B350M-A/CSM AMD Ryzen AM4 DDR4 HDMI DVI VGA M.2 USB 3.1 mATX B350 Motherboard

Brand

ASUS

Model

Prime B350M-A

Supported CPU

CPU Socket Type

AM4

CPU Type

AMD AM4 Socket Athlon II/for AMD Ryzen/7th Generation A-series/Athlon Processors 
* Refer to www.asus.com for CPU support list

Chipsets

Chipset

AMD B350

Memory

Number of Memory Slots

4×288pin

Memory Standard

AMD Ryzen Processors
4 x DIMM, Max. 64GB, DDR4 3200(O.C.)/ 2933(O.C.)/ 2666/ 2400/ 2133*
AMD 7th Generation A-series/ Athlon Processors
4 x DIMM, Max. 4GB, DDR4 2400/ 2133

* Due to the limitation of AMD Ryzen processors, memory frequencies higher than DDR4 2666 MHz are supported only when using one DIMM per channel.
** Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
** Hyper DIMM support is subject to the physical characteristics of individual CPUs.

Maximum Memory Supported

64GB

Channel Supported

Dual Channel

Expansion Slots

PCI Express 3.0 x16

Ryzen Processors
1 x PCI Express 3.0/2.0 x16 slot ([email protected] mode)

7th Generation A-series/Athlon Processors
1 x PCI Express 3.0/2.0 x16 slot ([email protected] mode)

PCI Express x1

2 x PCI Express 2.0 x1 slots

Storage Devices

SATA 6Gb/s

AMD B350 chipset: 4 x SATA 6Gb/s port(s), gray
AMD Ryzen/ 7th Generation A-series/Athlon Processors: 2 x SATA 6Gb/s port(s), gray

M.2

1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x4 mode)*

* 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.

SATA RAID

0/1/10

Onboard Video

Onboard Video Chipset

Integrated AMD Radeon R Series Graphics in the 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 2048MB

* AMD Ryzen Processor does not support.

Onboard Audio

Audio Chipset

Realtek ALC887

Audio Channels

8 Channels

Onboard LAN

LAN Chipset

Realtek RTL8111H

Max LAN Speed

10/100/1000Mbps

Rear Panel Ports

PS/2

1 x PS/2 keyboard (purple)
1 x PS/2 mouse port (green)

Video Ports

1 x DVI-D port 
1 x D-Sub port

HDMI

1 x HDMI

RJ45

1 x RJ45

USB 3.1

2 x USB 3.1 Gen 2 (teal blue)
4 x USB 3.1 Gen 1 (blue)

Audio Ports

3 Ports

Internal I/O Connectors

Onboard USB

1 x USB 3.1 Gen 1 connector(s) support(s) additional 2 USB 3.1 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 Fan RGB header
1 x COM port(s) connector(s)
1 x CPU Fan connector(s) (1 x 4-pin)
1 x Chassis Fan connector(s) (1 x 4-pin)
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)

Physical Spec

Form Factor

Micro ATX

Dimensions (W x L)

9.60" x 9.45"

Power Pin

1 x 24-pin EATX Power connector(s)
1 x 8-pin ATX 12V Power connector(s)

Features

Features

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 
- Turbo LAN
- 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

BIOS:
128MB Flash ROM, UEFI AMI BIOS, PnP, DMI3.0, 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

Packaging

Package Contents

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