ASUS PRIME B450M-A/CSM AM4 AMD B450 SATA 6Gb/s USB 3.1 HDMI Micro ATX AMD Motherboard

Powered by 2nd generation AMD Ryzen 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

Unique SafeSlot Core fortified PCIe slot prevents damage caused by heavyweight GPUs

LEARN MORE ABOUT THE ASUS PRIME B450M-A/CSM

Model

Brand	ASUS
Series	Prime
Model	PRIME B450M-A/CSM

Supported CPU

CPU Socket Type	AM4
CPU Type	AM4 socket for AMD Ryzen 2nd Generation / Ryzen with Radeon Vega Graphics / Ryzen 1st Generation Processors * Refer to www.asus.com for the AMD CPU support list.

Chipsets

Chipset	AMD B450

Memory

Number of Memory Slots	4×288pin
Memory Standard	DDR4 3200(O.C)/ 3000(O.C)/ 2800(O.C)/ 2666/ 2400/ 2133 * Refer to www.asus.com for the Memory QVL (Qualified Vendors List).
Maximum Memory Supported	64GB
Channel Supported	Dual Channel

Expansion Slots

PCI Express 3.0 x16	AMD Ryzen 2nd Generation / Ryzen 1st Generation Processors 1 x PCIe 3.0/2.0 x16 (x16 mode) AMD Ryzen with Radeon Vega Graphics Processor 1 x PCIe 3.0/2.0 x16 (x8 mode)
PCI Express x1	2 x PCI Express 2.0 x1 slots

Storage Devices

SATA 6Gb/s	AMD B450 chipset: 4 x SATA 6Gb/s port(s) AMD Ryzen 2nd Generation / Ryzen with Radeon Vega Graphics / Ryzen 1st Generation Processors: 2 x SATA 6Gb/s port(s)
M.2	1 x M.2 socket 3 with M Key, Type 2242/2260/2280/22110 (PCIE 3.0 x4 and SATA modes) storage devices support* * 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.
SATA RAID	0/1/10

Onboard Video

Onboard Video Chipset	Integrated Graphics in the AMD Ryzen with Radeon Vega Graphics Processors Multi-VGA output support: HDMI, DVI-D, D-Sub ports - Supports HDMI 2.0b with a maximum resolution of 4096 x 2160 @ 60 Hz - Supports DVI-D with max. resolution up to 1920 x 1200 @ 60 Hz - Supports D-Sub with max. resolution up to 1920 x 1200 @ 60 Hz

Onboard Audio

Audio Chipset	Realtek ALC887
Audio Channels	8 Channels * Use a chassis with HD audio module in the front panel to support an 8-channel audio output.

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 ports 4 x USB 3.1 Gen 1 ports
Audio Ports	3 Ports

Internal I/O Connectors

Onboard USB	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)
Other Connectors	1 x Aura RGB Strip Header 1 x TPM header 1 x COM port(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 Front panel audio connector(s) (AAFP) 1 x System panel(s) 1 x Clear CMOS jumper(s) 1 x Speaker connector

Physical Spec

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 1 x 8-pin ATX 12V Power connector

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 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 BIOS: 128MB 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

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

Additional Information

Date First Available	May 04, 2020