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ASRock B550M Steel Legend AMD AM4 Socket Motherboard, Micro-ATX, 4x DDR4 Slots, 2x M.2 Sockets, Fitted I/O Shield, 2.5GbE LAN, 1x DisplayPort / 1x HDMI Port

Key Specifications
SocketAM4
CPU CompatibilityAMD Ryzen
ChipsetAMD B550
Form FactorMicro ATX
Memory SlotsDDR4 - 4 Slots
M.2 CompatibilityNVMe / SATA
USB CYes
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Manufacturer : ASROCK
EAN : 4710483931505
Manufacturer Part Code : B550M STEEL LEGEND
Weight : 1.65 kg
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Key Specifications
SocketAM4
CPU CompatibilityAMD Ryzen
ChipsetAMD B550
Form FactorMicro ATX
Memory SlotsDDR4 - 4 Slots
M.2 CompatibilityNVMe / SATA
USB CYes
Manufacturer :
ASROCK

EAN :
4710483931505

Manufacturer Part Code :
B550M STEEL LEGEND

Weight :
1.65 kg
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Supports 3rd Gen AMD AM4 Ryzen / Future AMD Ryzen Processors
10 Power Phase Design, Dr. MOS
Supports DDR4 4733+ (OC)
1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1, 1 M.2 Key E for WiFi
Graphics Output Options: HDMI, DisplayPort
AMD CrossFireX
7.1 CH HD Audio (Realtek ALC1200 Audio Codec), Nahimic Audio
6 SATA3, 1 Hyper M.2 (PCIe Gen4 x4), 1 M.2 (PCIe Gen3 x2 & SATA3)
2 USB 3.2 Gen2 (Rear Type A+C), 8 USB 3.2 Gen1 (4 Front, 4 Rear)
Dragon 2.5G LAN

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.

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.

Dr. MOS
Dr.MOS is the integrated power stage solution which is optimized for synchronous buck-set down voltage applications! Compared to traditional discrete MOSFETs, it intelligently delivers higher current for each phase, thus providing improved thermal result and superior performance.

Premium 60A Power Choke
Compared to traditional chokes, ASRock's premium 60A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.

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!

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.

Specifications

Unique Feature
ASRock USB 3.2 Gen2
- ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s)
- ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s)
ASRock Super Alloy
- XXL Aluminum Alloy Heatsink
- Premium 60A Power Choke
- 50A Dr.MOS
- Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors)
- I/O Armor
- Matte Black PCB
- High Density Glass Fabric PCB
- 2oz Copper PCB
2.5G LAN
ASRock Steel Slot Gen4
ASRock Full Coverage M.2 Heatsink
ASRock Hyper M.2 (PCIe Gen4x4)
ASRock POST Status Checker (PSC)
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update & APP Shop

CPU
Supports 3rd Gen AMD AM4 Ryzen / future AMD Ryzen Processors
Digi Power design
10 Power Phase design
*Not compatible with AMD Ryzen 5 3400G and Ryzen 3 3200G.

Chipset
AMD B550

Memory
Dual Channel DDR4 Memory Technology
4 x DDR4 DIMM Slots
AMD Ryzen series CPUs (Matisse) support DDR4 4533+(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory
AMD Ryzen series APUs support DDR4 4733+(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory
Max. capacity of system memory: 128GB
Supports Extreme Memory Profile (XMP) memory modules
15µ Gold Contact in DIMM Slots

BIOS
256Mb AMI UEFI Legal BIOS with GUI support
Supports "Plug and Play"
ACPI 5.1 compliance wake up events
Supports jumperfree
SMBIOS 2.3 support
CPU, CPU VDDCR_SOC, DRAM, VPPM, 1.05V_PROM_S5, 2.5V_PROM, +1.8VSB, VDDP Voltage Multi-adjustment

Graphics
Integrated AMD Radeon Vega Series Graphics in Ryzen Series APU
DirectX 12, Pixel Shader 5.0
Shared memory default 2GB. Max Shared memory supports up to 16GB.
Dual graphics output: support HDMI and DisplayPort 1.4 ports by independent display controllers
Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz
Supports DisplayPort 1.4 with max. resolution up to 5K (5120x2880)@120Hz
Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 2.1 Port (Compliant HDMI monitor is required)
Supports HDR (High Dynamic Range) with HDMI 2.1
Supports HDCP 2.3 with HDMI 2.1 and DisplayPort 1.4 Ports
Supports 4K Ultra HD (UHD) playback with HDMI 2.1 and DisplayPort 1.4 Ports
Supports Microsoft PlayReady

Audio
7.1 CH HD Audio with Content Protection (Realtek ALC1200 Audio Codec)
Premium Blu-ray Audio support
Supports Surge Protection
PCB Isolate Shielding
Individual PCB Layers for R/L Audio Channel
Gold Audio Jacks
Nahimic Audio

LAN
2.5 Gigabit LAN 10/100/1000/2500 Mb/s
Dragon RTL8125BG
Supports Dragon 2.5G LAN Software
Smart Auto Adjust Bandwidth Control
Visual User Friendly UI
Visual Network Usage Statistics
Optimized Default Setting for Game, Browser, and Streaming Modes
User Customized Priority Control
Supports Wake-On-LAN
Supports Lightning/ESD Protection
Supports Energy Efficient Ethernet 802.3az
Supports PXE

Slots
AMD Ryzen series CPUs (Matisse)
- 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)
AMD Ryzen series APUs
- 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)
1 x PCI Express 3.0 x1 Slot
Supports AMD Quad CrossFireX and CrossFireX
15µ Gold Contact in VGA PCIe Slot (PCIE1)
1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module

Storage
6 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug
1 x Hyper M.2 Socket (M2_1), supports M Key type 2280 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Matisse) or Gen3x4 (32 Gb/s)
1 x M.2 Socket (M2_2), supports M Key type 2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s)

Connector
1 x SPI TPM Header
1 x Power LED and Speaker Header
2 x RGB LED Headers
2 x Addressable LED Headers
1 x CPU Fan Connector (4-pin)
1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)
4 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)
1 x 24 pin ATX Power Connector (Hi-Density Power Connector)
1 x 8 pin 12V Power Connector (Hi-Density Power Connector)
1 x 4 pin 12V Power Connector (Hi-Density Power Connector)
1 x Front Panel Audio Connector
2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports) (Supports ESD Protection)

Rear Panel I/O
2 x Antenna Mounting Points
1 x PS/2 Mouse/Keyboard Port
1 x HDMI Port
1 x DisplayPort 1.4
1 x Optical SPDIF Out Port
1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection)
1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection)
4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection)
2 x USB 2.0 Ports (Supports ESD Protection)
1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
1 x Clear CMOS Button
HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)

Software and UEFI
Software
- ASRock Motherboard Utility (A-Tuning)
- ASRock Polychrome SYNC
UEFI
- ASRock Full HD UEFI
- ASRock Instant Flash

Support CD
Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar

Accessories
Quick Installation Guide, Support CD
2 x SATA Data Cables
2 x Screws for M.2 Sockets

Hardware Monitor
Temperature Sensing: CPU, CPU/Water Pump, Chassis/Water Pump Fans
Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump Fans
Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU/Water Pump, Chassis/Water Pump Fans
Fan Multi-Speed Control: CPU, CPU/Water Pump, Chassis/Water Pump Fans
Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, CPU VDDCR_SOC, DRAM, VPPM, 1.05V_PROM_S5, +1.8V, VDDP

Form Factor
Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm
2oz Copper PCB

OS
Microsoft Windows 10 64-bit

Certifications
FCC, CE
ErP/EuP ready (ErP/EuP ready power supply is required)
Manufacturer's Website:
Warranty:
2 Year Return to Base Warranty.

There are currently no data sheets available for this product.

Socket TypeFamilyPart NumberCoreClock SpeedCachePowerRev.L3 CacheBios
AM4Ryzen 95950X(100-000000059)Vermeer3.4GHz8MB105WB264MBP1.20
AM4Ryzen 95900(100-000000062)Vermeer3.0GHz6MB65WB264MBP1.20
AM4Ryzen 95900X(100-000000061)Vermeer3.7GHz6MB105WB264MBP1.20
AM4Ryzen 95950X (100-000000059-00)Vermeer3.4GHz8MB105WB064MBP1.20
AM4Ryzen 95900X (100-000000061-00)Vermeer3.7GHz6MB105WB064MBP1.20
AM4Ryzen 75800X3D(100-000000651)Vermeer3.4GHz4MB105W96MBP2.30
AM4Ryzen 75800X(100-000000063)Vermeer3.8GHz4MB105WB232MBP1.20
AM4Ryzen 75800X (100-000000063-00)Vermeer3.8GHz4MB105WB032MBP1.20
AM4Ryzen 75800(100-000000456)Vermeer3.4GHz4MB65WB232MBP1.20
AM4Ryzen 75700X(100-000000926)Vermeer3.4GHz4MB65W32MBP2.30
AM4Ryzen 55600X(100-000000065)Vermeer3.7GHz3MB65WB232MBP1.20
AM4Ryzen 55600X (100-000000065-00)Vermeer3.7GHz3MB65WB032MBP1.20
AM4Ryzen 55600(100-000000927)Vermeer3.5GHz3MB65W32MBP2.30
AM4Ryzen 55600X3D(100-000001176)Vermeer3MBP2.80
AM4Ryzen 7PRO 4750G(100-000000145)Renoir3.6GHz4MB65WA18MBAll
AM4Ryzen 7PRO 4750GE(100-000000152)Renoir3.1GHz35WA1All
AM4Ryzen 74700G(100-000000146)Renoir3.6GHz4MB65WA18MBAll
AM4Ryzen 74700GE(100-000000149)Renoir3.1GHz35WA1All
AM4Ryzen 5PRO 4650G(100-000000143)Renoir3.7GHz3MB65WA18MBAll
AM4Ryzen 5PRO 4650GE(100-000000153)Renoir3.3GHz35WA1All
AM4Ryzen 54600G(100-000000147)Renoir3.7GHz3MB65WA18MBAll
AM4Ryzen 54600GE(100-000000150)Renoir3.3GHz35WA1All
AM4Ryzen 54500(100-000000644)Renoir4.1GHz3MB45-65W8MBP2.30
AM4Ryzen 5Pro 4655G(100-000001155)Renoir3.7GHz3MB65W8MBP2.50
AM4Ryzen 5Pro 4655GE(100-000001156)Renoir3.3GHz3MB35W8MBP2.50
AM4Ryzen 3PRO 4350G(100-000000148)Renoir3.8GHz2MB65WA14MBAll
AM4Ryzen 3PRO 4350GE(100-000000154)Renoir3.5GHz35WA1All
AM4Ryzen 34300G(100-000000144)Renoir3.8GHz2MB65WA14MBAll
AM4Ryzen 34300GE(100-000000151)Renoir3.5GHz35WA1All
AM4Ryzen 34100(100-000000510)Renoir4GHz2MB65W4MBP2.30
AM4Ryzen 3Pro 4355GE(100-000001061)Renoir3.5GHz2MB35W4MBP2.50
AM4Ryzen 3Pro 4355G(100-000001079)Renoir3.8GHz2MB65W4MBP2.50
AM4Ryzen 5PRO 3400G(YD340BC5M4MFI)Picasso3.7GHz2MB45-65W4MBP2.10
AM4Ryzen 5PRO 3400G (YD340BC5M4MFH)Picasso3.7GHz2MB65WB14MBP2.10
AM4Ryzen 5PRO 3400GE (YD340BC6M4MFH)Picasso3.3GHz2MB35WB14MBP2.10
AM4Ryzen 53400G(YD340GC5M4MFI)Picasso3.7GHz2MB45~65W4MBP2.10
AM4Ryzen 53400G (YD340GC5M4MFH)Picasso3.7GHz2MB65WB14MBP2.10
AM4Ryzen 53400G (YD3400C5M4MFH)Picasso3.7GHz2MB65WB14MBP2.10
AM4Ryzen 53400GE (YD3400C6M4MFH)Picasso3.3GHz2MB35WB14MBP2.10
AM4Ryzen 53350G(YD3350C5M4MFH)Picasso3.6GHz2MB65WB14MBP2.10
AM4Ryzen 3PRO 3200G(YD320BC5M4MFI)Picasso3.6GHz2MB45-65W4MBP2.10
AM4Ryzen 3PRO 3200G (YD320BC5M4MFH)Picasso3.6GHz2MB65WB14MBP2.10
AM4Ryzen 3PRO 3200GE (YD320BC6M4MFH)Picasso3.3GHz2MB35WB14MBP2.10
AM4Ryzen 33200G(YD320GC5M4MFI)Picasso3.6GHz2MB45~65W4MBP2.10
AM4Ryzen 33200G (YD320GC5M4MFH)Picasso3.6GHz2MB65WB14MBP2.10
AM4Ryzen 33200G (YD3200C5M4MFH)Picasso3.6GHz2MB65WB14MBP2.10
AM4Ryzen 33200GE (YD3200C6M4MFH)Picasso3.3GHz2MB35WB14MBP2.10
AM4Athlon PRO3150GE(YD315BC6M4MFH)Picasso3.3GHz2MB35W4MBP2.50
AM4Athlon3000G (YD3000C6M2OFH)Picasso3.5GHz1MB35WB14MBP3.40
AM4Ryzen 93900XT(100-000000277)Matisse 24.1GHz105W64MBAll
AM4Ryzen 73800XT(100-000000279)Matisse 24.2GHz105W32MBAll
AM4Ryzen 53600XT(100-000000281)Matisse 24.0GHz95W32MBAll
AM4Ryzen 93950X (100-000000051)Matisse3.5GHz8MB105WB064MBAll
AM4Ryzen 9PRO 3900 (100-000000072)Matisse3.1GHz6MB65WB064MBAll
AM4Ryzen 93900X (100-000000023)Matisse3.8GHz6MB105WB064MBAll
AM4Ryzen 93900 (100-000000070)Matisse3.1GHz6MB65WB064MBAll
AM4Ryzen 73800X (100-000000025)Matisse3.9GHz4MB105WB032MBAll
AM4Ryzen 7PRO 3700 (100-000000073)Matisse3.6GHz4MB65WB032MBAll
AM4Ryzen 73700X (100-000000071)Matisse3.6GHz4MB65WB032MBAll
AM4Ryzen 5PRO 3600 (100-000000029)Matisse3.6GHz3MB65WB032MBAll
AM4Ryzen 53600X (100-000000022)Matisse3.8GHz3MB95WB032MBAll
AM4Ryzen 53600 (100-000000031)Matisse3.6GHz3MB65WB032MBAll
AM4Ryzen 53500X (100-000000158)Matisse3.6GHz3MB65WB032MBAll
AM4Ryzen 53500 (100-000000050)Matisse3.6GHz3MB65WB016MBAll
AM4Ryzen 33300X (100-000000159)Matisse3.8GHz2MB65WB016MBAll
AM4Ryzen 33100 (100-000000284)Matisse3.6GHz2MB65WB016MBAll
AM4Ryzen 7PRO 5750GE(100-000000257-00)CezanneP1.90
AM4Ryzen 7PRO 5750G(100-000000254-00)CezanneP1.90
AM4Ryzen 75700G(100-000000263-00)Cezanne3.8GHz4MB45~65W16MBP1.90
AM4Ryzen 75700GE(100-000000260-00)Cezanne3.2GHz4MB35W16MBP1.90
AM4Ryzen 75700(100-000000743)Cezanne3.8GHz4MB65W16MBP2.30
AM4Ryzen 5PRO 5650GE(100-000000258-00)CezanneP1.90
AM4Ryzen 5PRO 5650G(100-000000255-00)CezanneP1.90
AM4Ryzen 55600G(100-000000252-00)Cezanne3.9GHz3MB45~65W16MBP1.90
AM4Ryzen 55600GE(100-000000261-00)Cezanne3.4GHz3MB35W16MBP1.90
AM4Ryzen 55500(100-000000457)Cezanne3.6GHz3MB65W16MBP2.30
AM4Ryzen 3PRO 5350GE(100-000000259-00)CezanneP1.90
AM4Ryzen 35300GE(100-000000262-00)Cezanne3.6GHz2MB35W8MBP1.90
AM4Ryzen 3PRO 5350G(100-000000256-00)CezanneP1.90
AM4Ryzen 35300G(100-000000253-00)Cezanne4.0GHz2MB45~65W8MBP1.90
AM4Ryzen 55600GT(100-000001488)Cezanne3.6GHz3MB45-65W16MBP3.20
AM4Ryzen 55500GT(100-000001489)Cezanne3.6GHz3MB45-65W16MBP3.20
AM4Ryzen 75700X3D(100-000001503)Vermeer-X3.0GHz4MB96MBP3.20
AM4Ryzen 95900XT(100-000001581)Vermeer3.3GHz8MB105W64MBP3.41
AM4Ryzen 75800XT(100-000001582)Vermeer3.8GHz4MB105W32MBP3.41
The information on this page has been provided direct by the manufacturers.

 
Contact Information

Target Components Ltd
Unit 5
Pioneer Way
Pioneer Ind Est
Castleford
WF10 5QU

Tel:01977 739 300
sales@targetcomponents.co.uk
careers@targetcomponents.co.uk

 
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