ASUS PRIME B550M-A WIFI II

Overview:

AMD B550 (Ryzen AM4 ) micro ATX motherboard with dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, HDMI, DVI-D, D-Sub, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB lighting support

• AMD AM4 Socket: Ready for Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
• Comprehensive Cooling: VRM heatsink, PCH heatsink, hybrid fan headers, and Fan Xpert 2+ utility
• Ultrafast Connectivity: Dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A support
• Aura Sync RGB Lighting: Onboard addressable Gen 2 header and RGB headers for RGB LED strips, easily synced with Aura Sync-capable hardware

Features:

ASUS Prime series is expertly engineered to unleash the full potential of 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series 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.

Tune It Your Way
Comprehensive 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 productivity.

Cool to the Core
Prime 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 Pads
A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs and chokes for better cooling performance.

Build on a Solid Foundation
Prime 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.

Achieve speed with onboard M.2
PCIe 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 AMD Ryzen 5000 Series/ 3000 Series Processors.

Little Things Make a Big Difference
Prime 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.

Combined onboard features deliver elevated audio
Intelligent design and premium hardware create audio quality unlike anything you've ever experienced.

Audio Shielding
Separates analog/digital signal domains, significantly reducing multi-lateral interference.

Separate Layer for Left and Right Tracks
Ensures minimal crosstalk between audio paths.

Premium Audio Capacitors
Premium parts provide an immersive sound signature, with exceptional fidelity.

Specifications:

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Specifications
Product Code	ASUS PRIME B550M-A WIFI II
CPU	AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
Chipset	B550
Memory	4 x DIMM, Max. 128GB, DDR4
	4866(OC) / 4800(OC) / 4600(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3333(OC) / 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133, Un-buffered Memory
	Dual Channel Memory Architecture
	* ECC memory (ECC mode) support varies by CPU.
Graphics	1 x D-Sub port
	1 x DVI-D port
	1 x HDMI port
	* Graphics specifications may vary between CPU types.
	** Supports 4K@60Hz as specified in HDMI 2.1.
Expansion Slots	AMD Ryzen 5000 Series/ 3000 Series Desktop Processors
	1 x PCIe 4.0 x16 slot (supports x16 mode)
	AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors
	1 x PCIe 3.0 x16 slot (supports x16 mode)
	AMD B550 Chipset
	2 x PCIe 3.0 x1 slots
Storage	Supports 2 x M.2 slots and 4 x SATA 6Gb/s ports
	AMD Ryzen 5000 Series/ 3000 Series Desktop Processors
	M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes)
	AMD Ryzen 4000 G-Series Desktop Processors
	M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)
	AMD B550 Chipset
	M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)
	4 x SATA 6Gb/s ports
	Support RAID 0, 1, 10
Ethernet	1 x Realtek 1Gb Ethernet
	ASUS LANGuard
Wireless & Bluetooth	2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) + BT5.2
	Wi-Fi 6
	2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
	Supports 2.4/5GHz frequency band
	Bluetooth v5.2
USB	2 x USB 3.2 Gen 2 ports (2 x Type-A)
	4 x USB 3.2 Gen 1 ports (4 x Type-A)
	Front USB:Total 6 ports
	1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
	2 x USB 2.0 headers support additional 4 USB 2.0 ports
Audio	ALC887/897
	Realtek 7.1 Surround Sound High Definition Audio CODEC
	- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
	- Supports up to 24-Bit/192 kHz playback
	Audio Features
	- Audio Shielding
	- LED-illuminated audio trace path design
	- Premium audio capacitors
	- Dedicated audio PCB layers
	* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
Back Panel I/O Ports	2 x USB 3.2 Gen 2 ports (2 x Type-A)
	4 x USB 3.2 Gen 1 ports (4 x Type-A)
	1 x D-Sub port
	1 x DVI-D port
	1 x HDMI port
	1 x Wi-Fi Module
	1 x Realtek 1Gb Ethernet port
	3 x Audio jacks
	1 x PS/2 Keyboard/Mouse combo port
Internal I/O Connectors	Fan and Cooling related
	1 x 4-pin CPU Fan header
	1 x 4-pin CPU OPT Fan header
	2 x 4-pin Chassis Fan headers
	Power related
	1 x 24-pin Main Power connector
	1 x 8-pin +12V Power connector
	Storage related
	2 x M.2 slots (Key M)
	4 x SATA 6Gb/s ports
	USB
	1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
	2 x USB 2.0 headers support additional 4 USB 2.0 ports
	Miscellaneous
	1 x Addressable Gen 2 header
	2 x AURA RGB headers
	1 x Clear CMOS header
	1 x COM Port header
	1 x Front Panel Audio header (AAFP)
	1 x S/PDIF Out header
	1 x Speaker header
	1 x SPI TPM header (14-1pin)
	1 x 10-1 pin System Panel header
Special Features	ASUS 5X PROTECTION III
	- DIGI+ VRM
	- LANGuard
	- Overvoltage Protection
	- SafeSlot Core
	- Stainless-Steel Back I/O
	ASUS Q-Design
	- Q-DIMM
	- Q-Slot
	ASUS Thermal Solution
	- VRM heatsink design
	AURA Sync
	- AURA RGB headers
	- Addressable Gen 2 header
Software Features	ASUS Exclusive Software
	Armoury Crate
	- AURA Creator
	- AURA Sync
	AI Suite 3
	- Performance and Power Saving Utility
	TurboV EVO
	EPU
	DIGI+ VRM
	Fan Xpert 2+
	- EZ update
	- Lighting Control
	ASUS CPU-Z
	AI Charger
	DAEMON Tools
	MyASUS
	Norton Anti-virus software (Free Trial version)
	WinRAR
	UEFI BIOS
	ASUS EZ DIY
	- ASUS CrashFree BIOS 3
	- ASUS EZ Flash 3
	- ASUS UEFI BIOS EZ Mode
BIOS	256 Mb Flash ROM, UEFI AMI BIOS
Manageability	WOL by PME, PXE
Accessories	Cables
	2 x SATA 6Gb/s cables
	Miscellaneous
	1 x ASUS Wi-Fi moving antennas
	1 x I/O Shield
	1 x M.2 SSD screw package
	Installation Media
	1 x Support DVD
	Documentation
	1 x User manual
Operating System	Windows 11 64-bit, Windows 10 64-bit
Form Factor	microATX
	24.4cm x 24.4cm