ASUS Prime B450M-A/CSM AMD Ryzen 2 AM4 DDR4 HDMI DVI VGA M.2 USB 3.1 Gen2 mATX Motherboard
Powered by 2nd generation AMD(R) Ryzen^TM AM4 processors to maximize connectivity and speed with NVMe M.2, USB 3.1 Gen2, DDR4 and Gigabit LAN
ASUS Corporate Stable Model complimentary Advance Replacement and long lifecycle with a COM header and PS2 ports for legacy needs
5X Protection III hardware-level safeguards provide component longevity and reliability
Aura Sync RGB header provides a nearly endless spectrum of colors with the ability to synchronize effects across an ever-expanding ecosystem of enabled products
Patent-pending SafeSlot Core fortified PCIe slot prevents damage caused by heavyweight GPUs


CPU
AMD AM4 Socket AMD Ryzen^TM 2nd Generation/Ryzen^TM with Radeon^TM Vega Graphics/Ryzen^TM 1st Generation Processors

Chipset
AMD B450

Memory
AMD Ryzen^TM 2nd Generation/ Ryzen^TM with Radeon^TM Vega Graphics/ Ryzen^TM 1st Generation Processors
4 x DIMM, Max. 64GB, DDR4 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.
Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

Graphic
Integrated in the AMD Ryzen^TM with Radeon^TM Vega Graphics Processors
Multi-VGA output support : HDMI/DVI-D/D-Sub ports
- Supports HDMI 2.0b with maximum resolution of 4096 x 2160 at 60 Hz
- Supports DVI-D with max. resolution 1920 x 1200 at 60 Hz

Expansion Slots
AMD Ryzen^TM 2nd Generation/ Ryzen^TM 1st Generation Processors
1 x PCIe 3.0/2.0 x16 (x16 mode)
AMD Ryzen^TM with Radeon^TM Vega Graphics Processor
1 x PCIe 3.0/2.0 x16 (x8 mode)
AMD B450 chipset
2 x PCIe 2.0 x1

Storage
AMD B450 chipset :
4 x SATA 6Gb/s port(s),
Support Raid 0, 1, 10
AMD Ryzen^TM 2nd Generation/ Ryzen^TM with Radeon^TM Vega Graphics/ Ryzen^TM 1st Generation Processors :
2 x SATA 6Gb/s port(s),
Support Raid 0, 1, 10
AMD Ryzen^TM 2nd Generation/ Ryzen^TM with Radeon^TM Vega Graphics/ Ryzen^TM 1st Generation Processors :
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA and PCIE 3.0 x 4 mode)1

LAN
Realtek RTL8111H, 1 x Gigabit LAN Controller(s)
ASUS LAN Guard

Audio
Realtek ALC887 8-Channel High Definition Audio CODEC
Audio Feature :
- LED-illuminated design - Brighten up your build with the gorgeous illuminated audio trace path.
- Audio Shielding: Ensures precision analog/digital separation and greatly reduced multi-lateral interference
- Dedicated audio PCB layers: Separate layers for left and right channels to guard the quality of the sensitive audio signals
- Premium Japanese audio capacitors: Provide warm, natural and immersive sound with exceptional clarity and fidelity
Choose the chassis with HD audio module in front panel to support 8-channel audio output.

USB Ports
AMD Ryzen^TM 2nd Generation/ Ryzen^TM with Radeon^TM Vega Graphics/ Ryzen^TM 1st Generation :
4 x USB 3.1 Gen 1 port(s) (4 at back panel, blue)
AMD B450 chipset :
2 x USB 3.1 Gen 2 port(s) (2 at back panel, )
AMD B450 chipset :
2 x USB 3.1 Gen 1 port(s) (2 at mid-board)
AMD B450 chipset :
4 x USB 2.0/1.1 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
ASUS Quiet Thermal Solution :
- Stylish Fanless Design Heat-sink solution
- ASUS Fan Xpert 2+
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

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 3.1 Gen 2
4 x USB 3.1 Gen 1 ,
3 x Audio jack(s)

Internal I/O Ports
1 x Aura RGB Strip Header
1 x USB 3.1 Gen 1(up to 5Gbps) 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)
1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (SATA and PCIE 3.0 x 4 mode)
1 x TPM header
1 x COM port(s) connector(s)
6 x SATA 6Gb/s connector(s)
1 x CPU Fan connector(s) (1 x 4 -pin)
2 x Chassis Fan connector(s) (2 x 4 -pin)
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
Users 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, SM BIOS 3.1, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, ASUS CrashFree BIOS 3, F3 My Favorite, Last Modified log, F12 PrintScreen, ASUS DRAM SPD (Serial Presence Detect) memory information, F6 Qfan Control

Operating System
Windows 10 64-bit

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

Note
The M.2 Socket shares bandwidth with the SATA_5/6 ports, and therefore the SATA_5/6 ports cannot be used when an M.2 device is installed.

Item Dimension (L inchxW inchxH inch)
11 x 11 x 3
Weight
3.00lb
Warranty Information
3 Years