ASROCK B550 STEEL LEGEND Socket AM4/ AMD B550/ DDR4/ Quad CrossFireX/ SATA3&USB3.2/ M.2/ ATX Motherboard

Specifications

• Mfr Part Number: B550 STEEL LEGEND
• Unique Feature:
  • ​ASRock USB 3.2 Gen2
  • ASRock Super Alloy
  • 2.5G LAN
  • ASRock Steel Slot Gen4
  • ASRock Full Coverage M.2 Heatsink
  • ASRock Hyper M.2 (PCIe Gen4x4)
  • ASRock Ultra USB Power
  • 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
  • 14 Power Phase design
• Chipset: AMD B550
• Memory: 
  • Dual Channel DDR4 Memory Technology
  • 4 x DDR4 DIMM Slots
  • AMD Ryzen series CPUs (Matisse) 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
  • 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, VTT_DDR Offset, CPU VDD 1.8 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 (4096×2160) @ 60Hz
  • Supports DisplayPort 1.4 with max. resolution up to 5K (5120×2880)@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 ALC1220 Audio Codec)
  • Premium Blu-ray Audio support
  • Supports Surge Protection
  • 120dB SNR DAC with Differential Amplifier
  • NE5532 Premium Headset Amplifier for Front Panel Audio Connector (Supports up to 600 Ohm headsets)
  • Pure Power-In
  • Direct Drive Technology
  • PCB Isolate Shielding
  • Impedance Sensing on Rear Out port
  • Individual PCB Layers for R/L Audio Channel
  • Gold Audio Jacks
  • 15μ Gold Audio Connector
  • 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 (Renoir)
    – 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)
    – 2 x PCI Express 3.0 x1 Slots
    – Supports AMD Quad CrossFireX and CrossFireX
    – 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module
    – 15μ Gold Contact in VGA PCIe Slot (PCIE1)
• 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 2230/2242/2260/2280 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Matisse) or Gen3x4 (32 Gb/s) (with Renoir)
  • 1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280/22110 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)
  • 5 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 (15μ Gold Audio Connector)
  • 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
  • 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection)
  • 1 x Front Panel Type C USB 3.2 Gen1 Header (Supports ESD Protection)
  • 1 x Dr. Debug with LED
• 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)
  • 2 x USB 3.2 Gen1 Ports (Supports ESD Protection)
  • 4 x USB 2.0 Ports (Supports ESD Protection)
  • 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
  • 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 Dragon 2.5G LAN Software
    – 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
  • 3 x Screws for M.2 Sockets
  • 2 x Standoffs 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, CPU VDD 1.8V
• Form Factor:
  • ​ATX Form Factor: 12.0-in x 9.6-in, 30.5 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)