ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX

AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB headers supportASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.ASUS Corporate Stable ModelASUS Corporate Stable Model (CSM) is a commercial program designed to provide stable and reliable motherboards. Offering up to 36-month product lifecycle support and 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center Express - server-grade IT management software.* Lifecycle support for consumer chipsets (eg. Q370, H370, B360,H270,B250) is set at 15 months. Program offerings may vary by region. Please consult your local sales representative for more information.ASUS Control Center ExpressASUS Control Center Express is an integrated IT monitoring and management software designed to deploy faster, simplify IT operations and improve productivity with comprehensive control and user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality, TCO-optimized solution for your business needs.Optimize IT endpoint managementDesigned to assist IT staff in monitoring and controlling devices within their corporate networks, and facilitate inventory checking in multiple locations remotelyAutomate IT maintenanceAllows IT staff to schedule automatic updates of the latest BIOS, software and utilities to specific or all devices at off-peak times, enhancing system stability and IT operational flexibilitySecurely manage all of endpointsSecurely manage endpoint configuration, portable storage access and PC software applications by enabling them to create grouping rules on individual devicesTune It Your WayComprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work maximizing your productivCool to the CorePrime B550 series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.VRM Heatsink and Thermal PadsA VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs and chokes for better cooling performance.Build on a Solid FoundationPrime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.PCIe 4.0 M.2(up to 64 Gbps)Achieve speed with onboard M.2PCIe 4.0 M.2 Slot supports up to 22110 and provide NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with up to PCIe 4.0 storage device to enjoy the fastest data-transfer speeds on the 3rd Generation AMD Ryzen platform.Little Things Make a Big DifferencePrime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look.Outstanding AudioCombined onboard features deliver elevated audioIntelligent design and premium hardware create audio quality unlike anything you've ever experienced.Audio ShieldingSeparates analog/digital signal domains, significantly reducing multi-lateral interference.Separate Layer for Left and Right TracksEnsures minimal crosstalk between audio paths.Premium Japanese CapacitorsPremium parts provide an immersive sound signature, with exceptional fidelity.

Processor
Processor manufacturer:	AMD
Processor socket:	Socket AM4
Compatible processor series:	3rd Generation AMD Ryzen 3, 3rd Generation AMD Ryzen 5
Memory
Supported memory types:	DDR4-SDRAM
Number of memory slots:	4
Maximum internal memory:	128 GB
Memory slots type:	DIMM
Supported memory clock speeds:	2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz
Unbuffered memory:
Storage controllers
Supported storage drive interfaces:	M.2, SATA III
Internal I/O
USB 2.0 connectors:	2
USB 3.2 Gen 1 (3.1 Gen 1) connectors:	1
Number of SATA III connectors:	4
Front panel audio connector:
ATX Power connector (24-pin):
CPU fan connector:
Number of chassis fan connectors:	2
EPS power connector (8-pin):
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:	4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity:	2
Ethernet LAN (RJ-45) ports:	1
VGA (D-Sub) ports quantity:	1
HDMI ports quantity:	1
DVI-D ports quantity:	1
PS/2 ports quantity:	1
Headphone outputs:	1
Microphone in:
Network
Wi-Fi:
Ethernet LAN:
Ethernet interface type:	Gigabit Ethernet
LAN controller:	Realtek RTL8111H
Features
Component for:	PC
Motherboard form factor:	micro ATX
Motherboard chipset family:	AMD
Motherboard chipset:	AMD B550
Audio output channels:	7.1 channels
Audio chip:	Realtek ALC887
Windows operating systems supported:	Windows 10 x64
Expansion slots
PCI Express x1 (Gen 3.x) slots:	2
PCI Express x16 (Gen 4.x) slots:	1
BIOS
BIOS type:	UEFI AMI
BIOS memory size:	256 Mbit
Clear CMOS jumper:
Logistics data
Harmonized System (HS) code:	84733020
Weight & dimensions
Width:	244 mm
Depth:	244 mm
Height:	51 mm
Other features
Weight:	845 g