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MB AMD B550 SAM4 ATX/B550 PRO4 ASROCK
MB AMD B550 SAM4 ATX/B550 PRO4 ASROCK
Manufacturer
•ASROCK
Reference
•B550PRO4
Article
•3039773
Intrastat
•84717020
Shipping weight
•0.465 kg
Total quantity in stocks
•6
Nearest delivery
•15.05.2026
Maximum number of SMP processors
1
Compatible processor series
3rd Generation AMD Ryzen™ 7, 3rd Generation AMD Ryzen™ 9, 3rd Generation AMD Ryzen 5, 3rd Generation AMD Ryzen™ 3
Processor manufacturer
AMD
Processor socket
Socket AM4
Graphics card
Radeon Vega
On-board graphics card
Yes
Graphics card family
AMD
HDCP
Yes
DirectX version
12.0
Audio chip
Realtek ALC1200
Motherboard form factor
ATX
Motherboard chipset family
AMD
Audio output channels
7.1 channels
Motherboard chipset
AMD B550
Memory slots type
DIMM
Supported memory clock speeds
2133, 3200, 3866, 2400, 2933, 3600, 2667, 3733, 4400, 4200, 3466, 4266, 3800, 4466, 4533, 4333 MHz, 4133, 4000
Memory channels
Dual-channel
Supported memory types
DDR4-SDRAM
Maximum internal memory
128 GB
Number of memory slots
4
Unbuffered memory
Yes
Width
305 mm
Depth
244 mm
Wake-on-LAN ready
Yes
Wi-Fi
No
Ethernet LAN
Yes
Ethernet interface type
Gigabit Ethernet
LAN controller
Realtek RTL8111H
ATX Power connector (24-pin)
Yes
RGB LED pin header
Yes
Number of COM connectors
1
CPU fan connector
Yes
EPS power connector (8-pin)
Yes
Front panel audio connector
Yes
Number of SATA III connectors
6
Peripheral (Molex) power connectors (4-pin)
1
USB 2.0 connectors
4
12V power connector
Yes
USB 3.2 Gen 1 (3.1 Gen 1) connectors
2
BIOS type
UEFI AMI
Drivers included
Yes
Supported storage drive interfaces
M.2, Serial ATA III
PS/2 ports quantity
1
Microphone in
Yes
HDMI ports quantity
1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
1
Ethernet LAN (RJ-45) ports
1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
4
VGA (D-Sub) ports quantity
1