ASROCK B450 STEEL LEGEND MOTHERBOARD

Unique Feature

• ASRock USB 3.1 Gen2
• ASRock USB 3.1 Gen2 Type-A Port (10 Gb/s)
• ASRock USB 3.1 Gen2 Type-C Port (10 Gb/s)
• ASRock Super Alloy
• XXL Aluminum Alloy Heatsink
• Premium 60A Power Choke
• Nichicon 12K Black Caps (100% Japan-made high-quality conductive polymer capacitors)
• I/O Armor
• Sapphire Black PCB
• High-Density Glass Fabric PCB
• 2oz Copper PCB
• ASRock Steel Slot
• ASRock Full Coverage M.2 Heatsink
• ASRock Ultra M.2 (PCIe Gen3 x4)
• ASRock Ultra USB Power
• ASRock Full Spike Protection (for all USB, Audio, and LAN Ports)
• ASRock Live Update & APP Shop

• AMD AM4 Socket
• Digi Power design
• 6 Power Phase design

• Dual Channel DDR4 Memory Technology
• 4 x DDR4 DIMM Slots
• AMD Ryzen series CPUs (Matisse) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory
• AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3533+(OC) / 3200(OC) / 2933(OC) / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory
• AMD Ryzen series CPUs (Picasso) support DDR4 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory
• AMD Ryzen series CPUs (Summit Ridge) support DDR4 3466+(OC) / 3200(OC) / 2933(OC) / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory
• AMD Ryzen series CPUs (Raven Ridge) support DDR4 3466+(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory
• Max. capacity of system memory: 128GB
• Supports Extreme Memory Profile (XMP) memory modules
• 15μ Gold Contact in DIMM Slots
• For Ryzen Series CPUs (Picasso and Raven Ridge), ECC is only supported with PRO CPUs.
  Please refer to the below table for AMD non-XMP memory frequency support.
• Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® 32-bit OS. For Windows® 64-bit OS with 64-bit CPU, there is no such limitation.

• 128Mb AMI UEFI Legal BIOS with multilingual GUI support
• Supports “Plug and Play”
• ACPI 5.1 compliance wake-up events
• Supports jumperfree
• SMBIOS 2.3 support
• DRAM Voltage multi-adjustment

• 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 1.2 ports by independent display controllers
• Supports HDMI 1.4 with max. resolution up to 4K x 2K (4096×2160) @ 24Hz / (3840×2160) @ 30Hz
• Supports DisplayPort 1.2 with max. resolution up to 4K x 2K (4096×2160) @ 60Hz
• Supports Auto Lip Sync, Deep Color (12bpc), xvYCC, and HBR (High Bit Rate Audio) with HDMI 1.4 Port (Compliant HDMI monitor is required)
• Supports HDCP 1.4 with HDMI 1.4 and DisplayPort 1.2 Ports
• Supports 4K Ultra HD (UHD) playback with HDMI 1.4 and DisplayPort 1.2 Ports
• Actual support may vary by CPU
• The Max shared memory of 16GB requires 32GB system memory installed.

• 7.1 CH HD Audio with Content Protection (Realtek ALC892 Audio Codec)
• Premium Blu-ray Audio support
• Supports Surge Protection
• Nichicon Fine Gold Series Audio Caps
• PCB Isolate Shielding
• Individual PCB Layers for R/L Audio Channel
• Gold Audio Jacks
• To configure 7.1 CH HD Audio, it is required to use an HD front panel audio module and enable the multi-channel audio feature through the audio driver.

• PCIE x1 Gigabit LAN 10/100/1000 Mb/s
• Realtek RTL8111H
• Supports Wake-On-LAN
• Supports Lightning/ESD Protection
• Supports Energy Efficient Ethernet 802.3az
• Supports PXE

• AMD Ryzen series CPUs (Matisse, Summit Ridge, and Pinnacle Ridge)
• 2 x PCI Express 3.0 x16 Slots (PCIE1: x16 mode; PCIE4: x4 mode)
• AMD Ryzen series CPUs (Picasso, Raven Ridge)
• 2 x PCI Express 3.0 x16 Slots (PCIE1: x8 mode; PCIE4: x4 mode) (If you use Athlon 2xxGE series APU, PCIE1 slot will run at x4 mode.)
• AMD Athlon series CPUs
• 2 x PCI Express 3.0 x16 Slots (PCIE1: x4 mode; PCIE4: x2 mode)
• 4 x PCI Express 2.0 x1 Slots
  Supports AMD Quad CrossFireX™ and CrossFireX™
• Supports NVMe SSD as boot disks
  If M2_1 is occupied, PCIE4 will be disabled.
• This feature is only supported with Ryzen Series CPUs (Matisse, Summit Ridge, Pinnacle Ridge, Picasso, and Raven Ridge).

• 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1, and RAID 10), NCQ, AHCI, and Hot Plug
• 2 x SATA3 6.0 Gb/s Connectors by ASMedia ASM1061, support NCQ, AHCI and Hot Plug
• 1 x Ultra M.2 Socket (M2_1), supports M Key type 2230/2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32 Gb/s) (with Matisse, Picasso, Summit Ridge, Raven Ridge, and Pinnacle Ridge) or Gen3 x2 (16 Gb/s) (with Athlon series APU and Raven Ridge 2)
• 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)**
• M2_2, SATA3_3, and SATA3_4 share lanes. If either one of them is in use, the others will be disabled.
• If M2_1 is occupied, PCIE4 will be disabled.
  Supports NVMe SSD as boot disks
  Supports ASRock U.2 Kit

• 1 x COM Port Header
• 1 x TPM Header
• 1 x Power LED and Speaker Header
• 1 x RGB LED Header
• 1 x Addressable LED Header
• 1 x AMD Fan LED Header
• 1 x CPU Fan Connector (4-pin)
• 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)
• 3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)
• 1 x 24-pin ATX Power Connector
• 1 x 8 pin 12V Power Connector
• 1 x Front Panel Audio Connector
• 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
• 1 x USB 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports) (Supports ESD Protection)
• Supports in total up to 12V/3A, 36W LED Strip
• Supports in total up to 5V/3A, 15W LED Strip
• The AMD Fan LED Header supports LED strips with a maximum load of 3A (36W) and a length of up to 2.5M.
• The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
• The CPU/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.
• The Chassis/Water Pump Fan supports the water cooler fan with of maximum 2A (24W) fan power.
  CPU_FAN2/WP, CHA_FAN1/WP, CHA_FAN2/WP, and CHA_FAN3/WP can auto-detect if a 3-pin or 4-pin fan is in use.

• 1 x PS/2 Mouse/Keyboard Port
• 1 x HDMI Port
• 1 x DisplayPort 1.2
• 1 x Optical SPDIF OutPort
• 2 x USB 2.0 Ports (Supports ESD Protection)
• 1 x USB 3.1 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection)
• 1 x USB 3.1 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection)
• 4 x USB 3.1 Gen1 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)
• Ultra USB Power is supported on USB3_34 ports.
  ACPI wake-up function is not supported on USB3_34 ports.

• Software
• ASRock A-Tuning
• ASRock Polychrome SYNC
• ASRock XFast LAN
• UEFI
• ASRock Full HD UEFI
• ASRock Instant Flash
• ASRock Easy RAID Installer
• These utilities can be downloaded from ASRock Live Update & APP Shop.

• Quick Installation Guide, Support CD, I/O Shield
• 2 x SATA Data Cables
• 2 x Screws for M.2 Sockets
• 1 x Standoff for M.2 Socket

• Temperature Sensing: CPU, MB
• Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump Fans
• Quiet Fan (Auto adjust the 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, Vcore