ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX

SKU

90MB14V0-M0EAY0

In Stock

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

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AMD AM4 socket: Ready for 3rd Gen AMD RyzenTM processors
Comprehensive cooling: PCH heatsink and Fan Xpert 2+
Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A
5X Protection III: Multiple hardware safeguards for all-around system protection

Internal I/O
Number of M.2 (M) slots	2
Supported storage drive interfaces	M.2, SATA
USB 2.0 connectors	2
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1
ATX Power connector (24-pin)	Yes
Technical details
Motherboard chipset family	AMD
Motherboard chipset	AMD B550
Motherboard form factor	micro ATX
Performance
Windows operating systems supported	Windows 10
Motherboard chipset family	AMD
Motherboard chipset	AMD B550
Motherboard form factor	micro ATX
Processor
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen 3000 Series
Processor socket	Socket AM4
Memory
Number of memory slots	4
Memory slots type	DIMM
Supported memory types	DDR4-SDRAM
Supported memory clock speeds	2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz
Maximum internal memory	128 GB
Storage controllers
Supported storage drive interfaces	M.2, SATA
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	0
USB 2.0 ports quantity	0
PS/2 ports quantity	1
HDMI ports quantity	1
Ethernet LAN (RJ-45) ports	1
DVI-D ports quantity	1

Network
Ethernet LAN	Yes
Wi-Fi	No
LAN controller	Realtek RTL8111H
Features
Windows operating systems supported	Windows 10
Motherboard chipset family	AMD
Motherboard chipset	AMD B550
Motherboard form factor	micro ATX
Harmonized System (HS) code	84733020
Expansion slots
Number of M.2 (M) slots	2
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
Software
Windows operating systems supported	Windows 10
Logistics data
Harmonized System (HS) code	84733020
Weight & dimensions
Height	51 mm
Weight	785 g
Width	244 mm
Depth	244 mm
Other features
Height	51 mm
Weight	785 g

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Manufacturer	ASUS	ASUS	ASUS	Gigabyte	Gigabyte	MSI
Processor manufacturer	AMD	AMD	Intel	Intel	Intel	Intel
Motherboard form factor	micro ATX	micro ATX	micro ATX	micro ATX	micro ATX	micro ATX
Processor socket	Socket AM4	Socket AM4	LGA 1700	LGA 1700	LGA 1700	LGA 1700
Supported memory types	DDR4-SDRAM	DDR4-SDRAM	N/A	DDR4-SDRAM	DDR4-SDRAM	DDR5-SDRAM
Component for	N/A	N/A	PC	PC	PC	PC
Number of memory slots	4 to 6	4 to 6	2 to 3	4 to 6	4 to 6	4 to 6