Asrock B550 Extreme4 AMD B550 Socket AM4 ATX

SKU
90-MXBDE0-A0UAYZ
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AMD B550, 4 x DDR4 DIMM, 7.1 CH HD Audio, 2.5 Gigabit LAN, 256Mb AMI UEFI
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Gets The Job Done with EXTREME

Unbeatable Heatsink Armor
Forged with aluminum alloy heatsinnk top cover that effectively improves heat dissipation. Underneath its solid strong cover lie two gaming required M.2 Key M sockets for high speed SSDs.

Dual M.2 Sockets for SSD
Hyper M.2 socket that supports PCIe Gen4 x4 while M.2 socket is capable of running PCIe Gen3 x2 and SATA3 mode.

Nahimic Audio
Whether you are using headphones, a headset, external or internal speakers, via USB, Wi-Fi, analog output or even HDMI, Nahimic Audio offers you the most engaging listening experience, vibrant and rich with details.

The Sound Tracker is a visual indicator that points out the directions from which predominant sounds are coming. Each sound is properly positioned in 360° on a radar for a full immersion during the game.

Hi-Density Power Connector
Reduces 23% power loss and decreases the connector’s temperature by 22 degrees Celsius.
8+4 12V Power Connectors
24-pin ATX Power Connector

2oz Copper PCB
2 ounce copper inner layers that provide stable signal traces and power shapes! Delivering lower temperature and higher energy efficiency for overclocking, it's able to support the latest DDR4 memory modules with most extreme memory performance!

RULE YOUR OWN LIGHTING WAY - POLYCHROME RGB
ASRock motherboards deliver stunning performance and superior aesthetics to rule your own colorful lighting way! ASRock offers a very comprehensive control to perform the built-in RGB LEDs or the connected LED strips, CPU fans, coolers, chassis and any RGB devices smoothly. Devices can be synchronized across the Polychrome RGB Sync-certified accessories as well.

Dragon 2.5 Gb/s LAN
The intelligent 2.5Gb/s LAN platform is built for maximum networking performance for the demanding requirements of home networking, content creators, online gamers and high-quality streaming media. Boost networking performance up to 2.5X the bandwidth compared to the standard gigabit Ethernet, you’ll enjoy the faster and uncompromised connectivity experience for gaming, file transfers and backups.

Automatically detects and accelerates game traffic ahead of other network traffic for smoother, stutter-free in-game performance and the competitive edge.

Reinforced Steel Slot [PCIe 4.0 Version]

The reinforced steel slot comes with the next generation PCI Express 4.0 standard. The various benefits include:
✔ Extra anchor points
✔ Stronger latch
✔ Ensure signal stability
✔ Make sure heavy graphics cards to be well-installed.

Front USB 3.2 Gen1 Type-C
Front USB 3.2 Gen1 Type-C header delivers up to 5 Gbps data transfer rate and next generation reversible USB design to the front panel of computer case.

Dual USB 3.2 Gen2 (Type-A + Type-C)
This motherboard has a pair of onboard Type-A and Type-C USB 3.2 Gen2 ports built on the rear i/o for supporting next generation USB 3.2 Gen2 devices and to deliver up to 10 Gbps data transfer rates.
SKU 90-MXBDE0-A0UAYZ
Specification
Technical details
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Motherboard form factorATX
Component forPC
Audio
Audio output channels7.1 channels
Performance
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Audio output channels7.1 channels
Motherboard form factorATX
Component forPC
Processor
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 3000 Series
Maximum number of SMP processors1
Processor socketSocket AM4
Memory
Number of memory slots4
Memory slots typeDIMM
Supported memory typesDDR4-SDRAM
Memory channelsDual-channel
Supported memory clock speeds2133,2400,2667,2933,3200,3466,3600,3733,3800,3866,4000,4133,4200,4266,4333,4400,4466,4533,4600,4666,4733 MHz
Maximum internal memory128 GB
Unbuffered memoryYes
Storage controllers
Supported storage drive interfacesM.2, SATA III
Internal I/O
USB 3.2 Gen 2 (3.1 Gen 2) connectors1
Supported storage drive interfacesM.2, SATA III
USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors1
Peripheral (Molex) power connectors (4-pin)1
Number of SATA III connectors6
Front panel audio connectorYes
EPS power connector (8-pin)Yes
CPU fan connectorYes
ATX Power connector (24-pin)Yes
RGB LED pin headerYes
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
S/PDIF out portYes
PS/2 ports quantity1
HDMI ports quantity1
Ethernet LAN (RJ-45) ports1
Network
Ethernet LANYes
Wi-FiNo
Wake-on-LAN readyYes
LAN controllerDragon RTL8125BG
Ethernet interface type2.5 Gigabit Ethernet
Features
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Audio output channels7.1 channels
Motherboard form factorATX
Component forPC
Audio chipRealtek ALC1220
Harmonized System (HS) code84733020
BIOS
BIOS typeUEFI AMI
Software
Drivers includedYes
Logistics data
Harmonized System (HS) code84733020
Weight & dimensions
Height70 mm
Weight465 g
Width305 mm
Depth244 mm
Packaging content
Drivers includedYes
Other features
Height70 mm
Weight465 g
Manufacturer Asrock
In Stock N