Asrock B550 STEEL LEGEND Amd B550 Socket Am4 Atx B550 STEEL LEGEND

Steel Legend represents the philosophical state of rock-solid durability and irresistible aesthetics. Built around most demanding specs and features, the Steel Legend series aims at daily users and mainstream enthusiasts! Providing a strong array of materials/components to ensure a stable and reliable performance.

STEEL FOREVER
Get Endless Performance Possibilities with Steel Style

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.

M.2 (KEY E) For WiFi
Besides the onboard LAN port, users may also choose 802.11ac wireless connections by M.2 (Key E) slot.

Flexible Integrated I/O Shield
Unlike most so called pre-mounted I/O shield that is only decorated with fancy color schemes. We reserve more tolerance space and allow IO shield is adjustable when installing, thus fitting chassis perfectly without any mechanical issue.

Dual Graphics Outputs
Complete with two types of most used connectors! Packed with a HDMI + DisplayPort combo, you have more graphics output options now.

Gold Audio Jacks
Everything will wear off in time, but gold looks better! Gold audio jack provides stable sound transmission!

Full Spike Protection
Some sensitive digital components on the motherboard are vulnerable to power surges, the excessive current may cause your system to malfunction immediately. ASRock Full Spike Protection includes various technologies to prevent your motherboard�s components from being damaged by these unexpected voltage spikes.

Live Update & APP Shop
ASRock Live Update & APP Shop is designed for your convenience. We provide various apps and support software for users to download. You can also easily optimize your system and keep your motherboard up to date with ASRock Live Update & APP Shop.

BIOS



ACPI version



5.1


BIOS memory size



256 Mbit


BIOS type



UEFI AMI


System Management BIOS (SMBIOS) version



2.3


Expansion slots



Number of M.2 (M) slots



2


PCI Express x1 (Gen 3.x) slots



2


PCI Express x16 (Gen 3.x) slots



1


PCI Express x16 (Gen 4.x) slots



1


Features



Audio chip



Realtek ALC1220


Audio output channels



7.1 channels


Component for



PC


Motherboard chipset



AMD B550


Motherboard chipset family



AMD


Motherboard form factor



ATX


PC health monitoring



CPU, Fan, Temperature, Voltage, Water cooling


Power source type



ATX


Windows operating systems supported



Windows 10 x64, Windows 11 x64


Graphics



DirectX version



12.0


HDCP



Yes


Maximum resolution



5120 x 2880 Pixels


Number of displays supported



2


Parallel processing technology support



CrossFireX, Quad-GPU CrossFireX


Internal I/O



12V power connector



Yes


ATX Power connector (24-pin)



Yes


CPU fan connector



Yes


EPS power connector (8-pin)



Yes


Front panel audio connector



Yes


Front panel connector



Yes


Number of chassis fan connectors



5


Number of SATA III connectors



6


Peripheral (Molex) power connectors (4-pin)



1


RGB LED pin header



Yes


TPM connector



Yes


USB 2.0 connectors



2


USB 3.2 Gen 1 (3.1 Gen 1) connectors



1


USB 3.2 Gen 2 (3.1 Gen 2) connectors



1


Logistics data



Harmonized System (HS) code



84733020


Memory



ECC



Yes


Maximum internal memory



128 GB


Memory channels



Dual-channel


Memory slots type



DIMM


Non-ECC



Yes


Number of memory slots



4


Supported memory clock speed (max)



4733 MHz


Supported memory clock speeds



2133, 2400, 2667, 2933, 3200, 3466, 3600, 3733, 3800, 3866, 4000, 4133, 4200, 4266, 4333, 4400, 4466, 4533, 4600, 4666, 4733


Supported memory module capacities



4GB, 8GB, 16GB, 32GB


Supported memory types



DDR4-SDRAM


Unbuffered memory



Yes


Network



Ethernet interface type



2.5 Gigabit Ethernet


Ethernet LAN



Yes


LAN controller



Dragon RTL8125BG


Wake-on-LAN ready



Yes


Wi-Fi



No


Other features



Number of M.2 (E) slots



1


Quick installation guide



Yes


Weight



465 g


Package dimensions



Gross Weight (Package, kg)



1.3 kg


Packaging content



Cables included



SATA


Drivers included



Yes


Processor



Compatible processor series



3rd Generation AMD Ryzen� 3, 3rd Generation AMD Ryzen 5, 3rd Generation AMD Ryzen� 7, 3rd Generation AMD Ryzen� 9


Maximum number of SMP processors



1


Processor manufacturer



AMD


Processor socket



Socket AM4


Supported processor sockets



Socket AM4


Product dimensions



Net Weight (Product, kg)



1 kg


Product Depth



24.4 cm


Product Height



7 cm


Product Width



30.5 cm


Rear panel I/O ports



DisplayPort version



1.4


DisplayPorts quantity



1


Ethernet LAN (RJ-45) ports



1


HDMI ports quantity



1


HDMI version



2.1


Microphone in



Yes


PS/2 ports quantity



1


S/PDIF out port



Yes


USB 2.0 ports quantity



4


USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity



2


USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity



1


USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity



1


WiFi-AP antenna jack



2


Storage controllers



RAID levels



0, 1, 10


RAID support



Yes


Supported storage drive interfaces



M.2, SATA III


Supported storage drive types



HDD & SSD


Vendor information



Brand Name


Asrock


Warranty



1 Year(s)