PRIME B550M-KARGB specification sheet

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Overview:

The ASUS PRIME B550M-K ARGB AM4 M-ATX Motherboard is designed to unlock the full potential of the AMD Ryzen platform, supporting 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors. With a robust power design and comprehensive cooling solutions, this motherboard delivers the stability and performance required for daily productivity and demanding workloads. Whether you're a DIY PC builder or a professional seeking reliable performance, the PRIME B550M-K provides flexible tools for fine-tuning your system to match your specific needs.

Equipped with PCIe 4.0 support, the PRIME B550M-K ARGB ensures ultra-fast connectivity for GPUs, making it ideal for high-load, feature-rich builds. The motherboard also features dual M.2 slots for faster data transfer speeds and Realtek 1Gb Ethernet for stable network connectivity. With USB 3.2 Gen 1 ports, including front-panel Type-C support, the PRIME B550M-K enables effortless connection of peripherals for seamless multitasking and data management.

Cooling is a priority, and the PRIME B550M-K comes equipped with a PCH heatsink, hybrid fan headers, and Fan Xpert 2+, ensuring stable temperatures even under heavy workloads. These features help maintain system longevity and efficiency, making the motherboard a reliable foundation for demanding applications. Additionally, its Realtek 7.1 Surround Sound High Definition Audio CODEC enhances your multimedia experience, delivering immersive audio for gaming or content creation.

For builders seeking a personalized aesthetic, the PRIME B550M-K ARGB offers Aura Sync RGB lighting with onboard addressable Gen 2 headers, enabling customizable illumination that syncs with compatible hardware. With its durable design, advanced connectivity options, and intuitive setup process, this motherboard provides everything you need to create a high-performance, visually stunning PC.

Features:

• Ready for Advanced AI PC: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications
• AMD AM4 Socket: Ready for AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
• Ultrafast Connectivity: PCIe 4.0, dual M.2 slots, Realtek 1Gb Ethernet, rear USB 3.2 Gen 1 ports and front USB 3.2 Gen 1 Type-C
• Comprehensive Cooling: PCH heatsink, hybrid fan headers and Fan Xpert 2+
• Aura Sync RGB Lighting: Onboard Addressable Gen 2 headers for RGB LED strips, easily synced with Aura Sync-capable hardware

WHAT'S IN THE BOX:

• Asus PRIME B550M-K ARGB AM4 M-ATX Motherboard - Black x1
• SATA Cables x2
• I/O Shield x1
• M.2 SSD Screw Package x1
• User Manual x1

Specifications:

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Specifications
Product Code	PRIME B550M-KARGB
CPU	AMD Socket AM4 for AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
Chipset	AMD B550 Chipset
Memory	2 x DIMM slots, Max. 64GB, DDR4 5100(OC) / 4866(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.
	* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit
Graphics	1 x DisplayPort
	1 x HDMI port
	* Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.
	** Supports max. 4K@60Hz as specified in DisplayPort 1.4.
	*** 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
	1 x PCIe 3.0 x1 slot
Storage	Total 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 (supports PCIe 4.0 x4 & SATA modes)
	AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors
	M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)
	AMD B550 Chipset
	M.2_2 slot (Key M), type 2242 / 2260 / 2280 / 22110 (supports PCIe 3.0 x4 & SATA modes)
	4 x SATA 6Gb/s ports
	* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10.
Ethernet	1 x Realtek 1Gb Ethernet
USB	Rear USB (Total 6 ports)
	4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A)
	2 x USB 2.0 ports (2 x Type-A)
	Front USB (Total 7 ports)
	1 x USB 3.2 Gen 1 (5G) connector (supports USB Type-C)
	1 x USB 3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports
	2 x USB 2.0 headers support 4 additional USB 2.0 ports
Audio	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
	- 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	4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A)
	2 x USB 2.0 ports (2 x Type-A)
	1 x DisplayPort
	1 x HDMI port
	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
	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 (5G) connector (supports USB Type-C )
	1 x USB 3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports
	2 x USB 2.0 headers support 4 additional USB 2.0 ports
	Miscellaneous
	3 x Addressable Gen 2 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 (14-1 pin)
	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-LED Core
	- Q-Slot
	ASUS Thermal Solution
	- Aluminum heatsink design
	Aura Sync
	- Addressable Gen 2 headers
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
	ASUS CPU-Z
	Norton 360 Deluxe (60 Days Free Trial)
	WinRAR
	UEFI BIOS
	ASUS EZ DIY
	- ASUS CrashFree BIOS 3
	- ASUS EZ Flash 3
	- ASUS UEFI BIOS EZ Mode
BIOS	128 Mb Flash ROM, UEFI AMI BIOS
Manageability	WOL by PME, PXE
Accessories	Cables
	2 x SATA 6Gb/s cables
	Miscellaneous
	1 x I/O Shield
	1 x Screw package for M.2 SSD
	Documentation
	1 x User guide
Operating System	Windows 11, Windows 10 64-bit
Form Factor	micro-ATX Form Factor
	9.6 inch x 8.7 inch