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Asrock
Asrock B550 Steel Legend AMD B550 Socket AM4 ATX
SKU
90-MXBDF0-A0UAYZ
In Stock
AMD B550, 4 x DDR4 DIMM, 7.1 CH HD Audio, 2.5 Gigabit LAN, 256Mb AMI UEFI
Secure fast payment on this purchase
Next Day (UK) Delivery offered on stock items
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.
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.
Internal I/O | |
---|---|
Number of M.2 (M) slots | 2 |
Number of M.2 (E) slots | 1 |
USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
Front panel connector | Yes |
12V power connector | Yes |
Supported storage drive interfaces | M.2, SATA III |
USB 2.0 connectors | 2 |
USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
TPM connector | Yes |
Peripheral (Molex) power connectors (4-pin) | 1 |
Number of SATA III connectors | 6 |
Number of chassis fan connectors | 5 |
Front panel audio connector | Yes |
EPS power connector (8-pin) | Yes |
CPU fan connector | Yes |
ATX Power connector (24-pin) | Yes |
RGB LED pin header | Yes |
Technical details | |
Number of displays supported | 2 |
Motherboard chipset family | AMD |
Motherboard chipset | AMD B550 |
Supported processor sockets | Socket AM4 |
PC health monitoring | CPU, Fan, Temperature, Voltage, Water cooling |
Parallel processing technology support | CrossFireX, Quad-GPU CrossFireX |
HDMI version | 2.1 |
Motherboard form factor | ATX |
Component for | PC |
Audio | |
Audio output channels | 7.1 channels |
Performance | |
Supported storage drive types | HDD & SSD |
Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
Motherboard chipset family | AMD |
Motherboard chipset | AMD B550 |
RAID levels | 0, 1, 10 |
Supported processor sockets | Socket AM4 |
PC health monitoring | CPU, Fan, Temperature, Voltage, Water cooling |
Audio output channels | 7.1 channels |
Motherboard form factor | ATX |
Component for | PC |
Processor | |
Processor manufacturer | AMD |
Compatible processor series | AMD Ryzen 3000 Series |
Supported processor sockets | Socket AM4 |
Maximum number of SMP processors | 1 |
Processor socket | Socket AM4 |
Memory | |
Number of memory slots | 4 |
Memory slots type | DIMM |
Supported memory types | DDR4-SDRAM |
Memory channels | Dual-channel |
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 |
Supported memory module capacities | 4GB, 8GB, 16GB, 32GB |
Maximum internal memory | 128 GB |
Unbuffered memory | Yes |
Supported memory clock speed (max) | 4733 MHz |
Storage controllers | |
Supported storage drive types | HDD & SSD |
Supported storage drive interfaces | M.2, SATA III |
RAID levels | 0, 1, 10 |
RAID support | Yes |
Graphics | |
Number of displays supported | 2 |
Parallel processing technology support | CrossFireX, Quad-GPU CrossFireX |
Maximum resolution | 5120 x 2880 pixels |
HDCP | Yes |
DirectX version | 12.0 |
Rear panel I/O ports | |
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 |
DisplayPort version | 1.4 |
USB 2.0 ports quantity | 4 |
WiFi-AP antenna jack | 2 |
S/PDIF out port | Yes |
PS/2 ports quantity | 1 |
Microphone in | Yes |
HDMI version | 2.1 |
HDMI ports quantity | 1 |
Ethernet LAN (RJ-45) ports | 1 |
DisplayPorts quantity | 1 |
Network | |
Ethernet LAN | Yes |
Wi-Fi | No |
Wake-on-LAN ready | Yes |
LAN controller | Dragon RTL8125BG |
Ethernet interface type | 2.5 Gigabit Ethernet |
Features | |
---|---|
Power source type | ATX |
Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
Motherboard chipset family | AMD |
Motherboard chipset | AMD B550 |
Supported processor sockets | Socket AM4 |
PC health monitoring | CPU, Fan, Temperature, Voltage, Water cooling |
Audio output channels | 7.1 channels |
Motherboard form factor | ATX |
Component for | PC |
Audio chip | Realtek ALC1220 |
Harmonized System (HS) code | 84733020 |
Expansion slots | |
Number of M.2 (M) slots | 2 |
Number of M.2 (E) slots | 1 |
PCI Express x1 (Gen 3.x) slots | 2 |
PCI Express x16 (Gen 3.x) slots | 1 |
PCI Express x16 (Gen 4.x) slots | 1 |
BIOS | |
BIOS type | UEFI AMI |
BIOS memory size | 256 Mbit |
ACPI version | 5.1 |
System Management BIOS (SMBIOS) version | 2.3 |
Power | |
Power source type | ATX |
Video | |
Maximum resolution | 5120 x 2880 pixels |
HDCP | Yes |
DirectX version | 12.0 |
Software | |
Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
Drivers included | Yes |
Logistics data | |
Harmonized System (HS) code | 84733020 |
Weight & dimensions | |
Height | 70 mm |
Weight | 465 g |
Width | 305 mm |
Depth | 244 mm |
Packaging content | |
Quick installation guide | Yes |
Drivers included | Yes |
Cables included | SATA |
Other features | |
Number of M.2 (E) slots | 1 |
Height | 70 mm |
Weight | 465 g |
Quick installation guide | Yes |