Asrock B550 Steel Legend ATX motherboard - AMD B550 Socket AM4
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Asrock B550 Steel Legend ATX motherboard - AMD B550 Socket AM4

Asrock B550 Steel Legend ATX motherboard - AMD B550 Socket AM4

AMD B550, 4 x DDR4 DIMM, 7.1 CH HD Audio, 2.5 Gigabit LAN, 256Mb AMI UEFI

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.

Processor
Supported processor sockets Socket AM4
Maximum number of SMP processors 1
Compatible processor series 3rd Generation AMD Ryzen™ 3, 3rd Generation AMD Ryzen 5, 3rd Generation AMD Ryzen™ 7, 3rd Generation AMD Ryzen™ 9
Processor socket Socket AM4
Processor manufacturer AMD
Memory
Unbuffered memory Yes
Maximum internal memory 128 GB
Supported memory module capacities 4GB, 8GB, 16GB, 32GB
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 MHz
Non-ECC Yes
ECC Yes
Memory channels Dual-channel
Memory slots type DIMM
Number of memory slots 4
Supported memory types DDR4-SDRAM
Storage controllers
RAID levels 0, 1, 10
RAID support Yes
Supported storage drive interfaces M.2, SATA III
Supported storage drive types HDD & SSD
Graphics
Number of displays supported 2
DirectX version 12.0
HDCP Yes
Maximum resolution 5120 x 2880 pixels
Parallel processing technology support CrossFireX, Quad-GPU CrossFireX
Internal I/O
RGB LED pin header Yes
TPM connector Yes
12V power connector Yes
EPS power connector (8-pin) Yes
Peripheral (Molex) power connectors (4-pin) 1
Number of chassis fan connectors 5
CPU fan connector Yes
ATX Power connector (24-pin) Yes
Front panel connector Yes
Front panel audio connector Yes
Number of SATA III connectors 6
USB 3.2 Gen 2 (3.1 Gen 2) connectors 1
USB 3.2 Gen 1 (3.1 Gen 1) connectors 1
USB 2.0 connectors 2
Rear panel I/O ports
WiFi-AP antenna jack 2
S/PDIF out port Yes
Microphone in Yes
DisplayPort version 1.4
DisplayPorts quantity 1
HDMI version 2.1
HDMI ports quantity 1
PS/2 ports quantity 1
Ethernet LAN (RJ-45) ports 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
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 2
USB 2.0 ports quantity 4
Network
Wi-Fi No
Wake-on-LAN ready Yes
LAN controller Dragon RTL8125BG
Ethernet interface type 2.5 Gigabit Ethernet
Ethernet LAN Yes
Features
Windows operating systems supported Windows 10 x64, Windows 11 x64
Power source type ATX
PC health monitoring CPU, Fan, Temperature, Voltage, Water cooling
Audio output channels 7.1 channels
Audio chip Realtek ALC1220
Motherboard chipset AMD B550
Motherboard chipset family AMD
Motherboard form factor ATX
Component for PC
Expansion slots
Number of M.2 (M) slots 2
PCI Express x16 (Gen 4.x) slots 1
PCI Express x16 (Gen 3.x) slots 1
PCI Express x1 (Gen 3.x) slots 2
BIOS
System Management BIOS (SMBIOS) version 2.3
ACPI version 5.1
BIOS memory size 256 Mbit
BIOS type UEFI AMI
Logistics data
Harmonized System (HS) code 84733020
Weight & dimensions
Height 70 mm
Depth 244 mm
Width 305 mm
Packaging content
Drivers included Yes
Cables included SATA
Other features
Number of M.2 (E) slots 1
Quick installation guide Yes
Weight 465 g
$75.90

Original: $216.87

-65%
Asrock B550 Steel Legend ATX motherboard - AMD B550 Socket AM4

$216.87

$75.90

More Images

Asrock B550 Steel Legend ATX motherboard - AMD B550 Socket AM4 - Image 2
Asrock B550 Steel Legend ATX motherboard - AMD B550 Socket AM4 - Image 3
Asrock B550 Steel Legend ATX motherboard - AMD B550 Socket AM4 - Image 4
Asrock B550 Steel Legend ATX motherboard - AMD B550 Socket AM4 - Image 5

Asrock B550 Steel Legend ATX motherboard - AMD B550 Socket AM4

AMD B550, 4 x DDR4 DIMM, 7.1 CH HD Audio, 2.5 Gigabit LAN, 256Mb AMI UEFI

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.

Processor
Supported processor sockets Socket AM4
Maximum number of SMP processors 1
Compatible processor series 3rd Generation AMD Ryzen™ 3, 3rd Generation AMD Ryzen 5, 3rd Generation AMD Ryzen™ 7, 3rd Generation AMD Ryzen™ 9
Processor socket Socket AM4
Processor manufacturer AMD
Memory
Unbuffered memory Yes
Maximum internal memory 128 GB
Supported memory module capacities 4GB, 8GB, 16GB, 32GB
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 MHz
Non-ECC Yes
ECC Yes
Memory channels Dual-channel
Memory slots type DIMM
Number of memory slots 4
Supported memory types DDR4-SDRAM
Storage controllers
RAID levels 0, 1, 10
RAID support Yes
Supported storage drive interfaces M.2, SATA III
Supported storage drive types HDD & SSD
Graphics
Number of displays supported 2
DirectX version 12.0
HDCP Yes
Maximum resolution 5120 x 2880 pixels
Parallel processing technology support CrossFireX, Quad-GPU CrossFireX
Internal I/O
RGB LED pin header Yes
TPM connector Yes
12V power connector Yes
EPS power connector (8-pin) Yes
Peripheral (Molex) power connectors (4-pin) 1
Number of chassis fan connectors 5
CPU fan connector Yes
ATX Power connector (24-pin) Yes
Front panel connector Yes
Front panel audio connector Yes
Number of SATA III connectors 6
USB 3.2 Gen 2 (3.1 Gen 2) connectors 1
USB 3.2 Gen 1 (3.1 Gen 1) connectors 1
USB 2.0 connectors 2
Rear panel I/O ports
WiFi-AP antenna jack 2
S/PDIF out port Yes
Microphone in Yes
DisplayPort version 1.4
DisplayPorts quantity 1
HDMI version 2.1
HDMI ports quantity 1
PS/2 ports quantity 1
Ethernet LAN (RJ-45) ports 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
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 2
USB 2.0 ports quantity 4
Network
Wi-Fi No
Wake-on-LAN ready Yes
LAN controller Dragon RTL8125BG
Ethernet interface type 2.5 Gigabit Ethernet
Ethernet LAN Yes
Features
Windows operating systems supported Windows 10 x64, Windows 11 x64
Power source type ATX
PC health monitoring CPU, Fan, Temperature, Voltage, Water cooling
Audio output channels 7.1 channels
Audio chip Realtek ALC1220
Motherboard chipset AMD B550
Motherboard chipset family AMD
Motherboard form factor ATX
Component for PC
Expansion slots
Number of M.2 (M) slots 2
PCI Express x16 (Gen 4.x) slots 1
PCI Express x16 (Gen 3.x) slots 1
PCI Express x1 (Gen 3.x) slots 2
BIOS
System Management BIOS (SMBIOS) version 2.3
ACPI version 5.1
BIOS memory size 256 Mbit
BIOS type UEFI AMI
Logistics data
Harmonized System (HS) code 84733020
Weight & dimensions
Height 70 mm
Depth 244 mm
Width 305 mm
Packaging content
Drivers included Yes
Cables included SATA
Other features
Number of M.2 (E) slots 1
Quick installation guide Yes
Weight 465 g

Product Information

Shipping & Returns

Description

AMD B550, 4 x DDR4 DIMM, 7.1 CH HD Audio, 2.5 Gigabit LAN, 256Mb AMI UEFI

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.

Processor
Supported processor sockets Socket AM4
Maximum number of SMP processors 1
Compatible processor series 3rd Generation AMD Ryzen™ 3, 3rd Generation AMD Ryzen 5, 3rd Generation AMD Ryzen™ 7, 3rd Generation AMD Ryzen™ 9
Processor socket Socket AM4
Processor manufacturer AMD
Memory
Unbuffered memory Yes
Maximum internal memory 128 GB
Supported memory module capacities 4GB, 8GB, 16GB, 32GB
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 MHz
Non-ECC Yes
ECC Yes
Memory channels Dual-channel
Memory slots type DIMM
Number of memory slots 4
Supported memory types DDR4-SDRAM
Storage controllers
RAID levels 0, 1, 10
RAID support Yes
Supported storage drive interfaces M.2, SATA III
Supported storage drive types HDD & SSD
Graphics
Number of displays supported 2
DirectX version 12.0
HDCP Yes
Maximum resolution 5120 x 2880 pixels
Parallel processing technology support CrossFireX, Quad-GPU CrossFireX
Internal I/O
RGB LED pin header Yes
TPM connector Yes
12V power connector Yes
EPS power connector (8-pin) Yes
Peripheral (Molex) power connectors (4-pin) 1
Number of chassis fan connectors 5
CPU fan connector Yes
ATX Power connector (24-pin) Yes
Front panel connector Yes
Front panel audio connector Yes
Number of SATA III connectors 6
USB 3.2 Gen 2 (3.1 Gen 2) connectors 1
USB 3.2 Gen 1 (3.1 Gen 1) connectors 1
USB 2.0 connectors 2
Rear panel I/O ports
WiFi-AP antenna jack 2
S/PDIF out port Yes
Microphone in Yes
DisplayPort version 1.4
DisplayPorts quantity 1
HDMI version 2.1
HDMI ports quantity 1
PS/2 ports quantity 1
Ethernet LAN (RJ-45) ports 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
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 2
USB 2.0 ports quantity 4
Network
Wi-Fi No
Wake-on-LAN ready Yes
LAN controller Dragon RTL8125BG
Ethernet interface type 2.5 Gigabit Ethernet
Ethernet LAN Yes
Features
Windows operating systems supported Windows 10 x64, Windows 11 x64
Power source type ATX
PC health monitoring CPU, Fan, Temperature, Voltage, Water cooling
Audio output channels 7.1 channels
Audio chip Realtek ALC1220
Motherboard chipset AMD B550
Motherboard chipset family AMD
Motherboard form factor ATX
Component for PC
Expansion slots
Number of M.2 (M) slots 2
PCI Express x16 (Gen 4.x) slots 1
PCI Express x16 (Gen 3.x) slots 1
PCI Express x1 (Gen 3.x) slots 2
BIOS
System Management BIOS (SMBIOS) version 2.3
ACPI version 5.1
BIOS memory size 256 Mbit
BIOS type UEFI AMI
Logistics data
Harmonized System (HS) code 84733020
Weight & dimensions
Height 70 mm
Depth 244 mm
Width 305 mm
Packaging content
Drivers included Yes
Cables included SATA
Other features
Number of M.2 (E) slots 1
Quick installation guide Yes
Weight 465 g