Asrock B550 EXTREME4
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B550 Extreme4

• Supports 3 rd Gen AMD AM4 Ryzen™ / Future AMD Ryzen™ Processors
• 14 Power Phase Design, Digi Power, Dr. MOS
• Supports DDR4 4733+ (OC)
• 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 2 PCIe 3.0 x1, 1 M.2 Key E for WiFi
• Graphics Output Options: HDMI
• AMD CrossFireX™
• 7.1 CH HD Audio (Realtek ALC1220 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), 5 USB 3.2 Gen1 (2 Front, 2 Rear, 1 Front Type-C)
• Dragon 2.5G LAN

• • 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
    
    

    *For Ryzen Series CPUs (Picasso), ECC is only supported with PRO CPUs.
    
    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 (4096x2160) @ 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

  • 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)*
  
  - 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)
  
  

  *Supports NVMe SSD as boot disks

• 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)**
  - 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 and SATA3_5_6 share lanes. If either one of them is in use, the other one will be disabled.
  
  **Supports NVMe SSD as boot disks
  Supports ASRock U.2 Kit

• 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
  - 1 x Power Button with LED
  - 1 x Reset Button with LED
  
  

  *Support in total up to 12V/3A, 36W LED Strip
  
  **Support in total up to 5V/3A, 15W LED Strip
  
  ***The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
  
  ****CPU_FAN2/WP_3A supports the water cooler fan of maximum 3A (36W) fan power.
  
  *****The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.
  CPU_FAN2/WP_3A, CHA_FAN1/WP, CHA_FAN2/WP, CHA_FAN3/WP, CHA_FAN4/WP and CHA_FAN5/WP can auto detect if 3-pin or 4-pin fan is in use.

• Rear Panel I/O

  - 2 x Antenna Mounting Points
  - 1 x PS/2 Mouse/Keyboard Port
  - 1 x HDMI Port
  - 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)
  
  

  *Ultra USB Power is supported on USB_34 ports.
  ACPI wake-up function is not supported on USB_34 ports.

• 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
  
  

  *These utilities can be downloaded from ASRock Live Update & APP Shop.

• Support CD

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

• Accessories

  - Quick Installation Guide, Support CD
  - 4 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)