ASUS PRIME B550M-A AMD B550 Socket AM4 micro ATX

SKU

90MB14I0-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, and Aura Sync RGB headers support

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AMD AM4 socket: Ready for 3rd Gen AMD RyzenTM Processors
Comprehensive cooling: VRM heatsink, PCH heatsink, and Fan Xpert 2+
Ultrafast connectivity: Dual M.2, PCIe 4.0, Intel® WiFi 6, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A
Aura Sync RGB: Onboard addressable Gen 2 header for RGB LED strips, easily synced with Aura Sync-capable hardware

Specifications

Technical details
Motherboard chipset family	AMD
Motherboard chipset	AMD B550
Motherboard form factor	micro ATX
Performance
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

Internal I/O
Supported storage drive interfaces	M.2, SATA
USB 2.0 connectors	2
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1
Number of SATA connectors	4
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
eSATA ports quantity	0
VGA (D-Sub) ports quantity	0
PS/2 ports quantity	1
Firewire (IEEE 1394) ports	0
HDMI ports quantity	1
Ethernet LAN (RJ-45) ports	1
DVI-D ports quantity	1
Network
Ethernet LAN	Yes
LAN controller	Realtek 8111H
Bluetooth	Yes
Bluetooth version	5.1
Features
Motherboard chipset family	AMD
Motherboard chipset	AMD B550
Motherboard form factor	micro ATX
Harmonized System (HS) code	84733020
BIOS
BIOS type	UEFI AMI
BIOS memory size	256 Mbit
Logistics data
Harmonized System (HS) code	84733020

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SKU	90MB14I0-M0EAY0	B550-A PRO	MPG B550 GAMING PLUS	90MB14U0-M0EAY0	90MB14S0-M0EAY0	B550 AORUS ELITE V2
Manufacturer	ASUS	MSI	MSI	ASUS	ASUS	Gigabyte
Processor manufacturer	AMD	AMD	AMD	AMD	AMD	AMD
Motherboard form factor	micro ATX	ATX	ATX	ATX	ATX	ATX
Processor socket	Socket AM4	Socket AM4	Socket AM4	Socket AM4	Socket AM4	Socket AM4
Supported memory types	DDR4-SDRAM	DDR4-SDRAM	DDR4-SDRAM	DDR4-SDRAM	DDR4-SDRAM	DDR4-SDRAM
Component for	N/A	PC	PC	N/A	PC	PC
Number of memory slots	4 to 6	4 to 6	4 to 6	4 to 6	4 to 6	4 to 6