ASRock B550 EXTREME4 Supports 3rd Gen AMD, AM4 Ryzen, Dragon 2.5 LAN, Support 4733+hz (OC)

Description

• 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
  – Premium Memory Alloy Choke (Reduces 70% core loss compared to iron powder choke)
  – 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 Ultra USB Power
  ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
  ASRock Live Update & APP Shop
• CPU
  – Supports 3^rd Gen AMD AM4 Ryzen™ / future AMD Ryzen™ Processors*
  – Digi Power design
  – 14 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 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

  Ryzen Series CPUs (Matisse):
  Ryzen Series APUs:
  SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label x=1 or 2
  DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label

  **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.

• 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.**
  – Supports HDMI 2.1 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 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 Port
  – Supports 4K Ultra HD (UHD) playback with HDMI 2.1 Port
  – Supports Microsoft^® PlayReady

  *Actual support may vary by CPU

  **The Max shared memory 16GB requires 32GB system memory installed.

• 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