Asrock B450 PRO4 B450 USB3 SATA3 DDR4

• 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
  - Premium Power Choke
  - Sapphire Black PCB
  - High Density Glass Fabric PCB
  - 2oz Copper PCB
  ASRock Ultra M.2 (PCIe Gen3 x4)
  ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
  ASRock Live Update & APP Shop
• CPU
  - AMD AM4 Socket
  - Digi Power design
  - 9 Power Phase design
  - Supports 105W Water Cooling (Pinnacle Ridge); Supports 95W Water Cooling (Summit Ridge); Supports 65W Water Cooling (Raven Ridge)
• Chipset
  - AMD Promontory B450
• Memory
  - Dual Channel DDR4 Memory Technology
  - 4 x DDR4 DIMM Slots
  - AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3200+(OC)/2933(OC)/2667/2400/2133 ECC & non-ECC, un-buffered memory*
  - AMD Ryzen series CPUs (Summit Ridge) support DDR4 3200+(OC)/2933(OC)/2667/2400/2133 ECC & non-ECC, un-buffered memory*
  - AMD Ryzen series CPUs (Raven Ridge) support DDR4 3200+(OC)/2933/2667/2400/2133 non-ECC, un-buffered memory*
  - Max. capacity of system memory: 64GB**
  - 15μ Gold Contact in DIMM Slots
  
  

  *For Ryzen Series CPUs (Raven Ridge), ECC is only supported with PRO CPUs.
  Please refer to below table for DDR4 UDIMM maximum frequency support.
  
  Ryzen Series CPUs (Pinnacle Ridge):
  
  
  Ryzen Series CPUs (Summit Ridge):
  
  
  Ryzen Series CPUs (Raven Ridge):
  
  
  SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label
  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
  - 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
• 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.**
  - Three graphics output options: D-Sub, HDMI and DisplayPort 1.2
  - Supports Triple Monitor
  - Supports HDMI with max. resolution up to 4K x 2K (4096x2160) @ 24Hz / (3840x2160) @ 30Hz
  - Supports DisplayPort 1.2 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz
  - Supports D-Sub with max. resolution up to 1920x1200 @ 60Hz
  - Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI Port (Compliant HDMI monitor is required)
  - Supports HDCP 1.4 with HDMI and DisplayPort 1.2 Ports
  - Supports 4K Ultra HD (UHD) playback with HDMI and DisplayPort 1.2 Ports
  
  

  *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 ALC892 Audio Codec)
  - Premium Blu-ray Audio support
  - Supports Surge Protection
  - ELNA Audio Caps
• LAN
  - 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
• Slots
  AMD Ryzen series CPUs (Summit Ridge and Pinnacle Ridge)
  - 2 x PCI Express 3.0 x16 Slots (PCIE2: x16 mode; PCIE4: x4 mode)*
  AMD Ryzen series CPUs (Raven Ridge)
  - 2 x PCI Express 3.0 x16 Slots (PCIE2: x8 mode; PCIE4: x4 mode)*
  AMD Athlon series CPUs
  - 2 x PCI Express 3.0 x16 Slots (PCIE2: 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 (Summit Ridge, Pinnacle Ridge and Raven Ridge).
• Storage
  - 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 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32 Gb/s) (with Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16 Gb/s) (with Athlon 2xxGE series APU)**
  - 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
• Connector
  - 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 of maximum load of 3A (36W) and length 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 of maximum 2A (24W) fan power.
  CPU_FAN2/WP, CHA_FAN1/WP, CHA_FAN2/WP and CHA_FAN3/WP can auto detect if 3-pin or 4-pin fan is in use.
• Rear Panel I/O
  - 1 x PS/2 Mouse/Keyboard Port
  - 1 x D-Sub Port
  - 1 x HDMI Port
  - 1 x DisplayPort 1.2
  - 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: Line in / Front Speaker / Microphone
• Software and UEFI
  Software
  - ASRock A-Tuning
  - ASRock Polychrome RGB
  - 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.
• Support CD
  - Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar
• Accessories
  - Quick Installation Guide, Support CD, I/O Shield
  - 2 x SATA Data Cables
  - 2 x Screws for M.2 Sockets
• Hardware Monitor
  - Temperature Sensing: CPU, MB
  - 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, Vcore
• Form Factor
  - ATX Form Factor: 12.0-in x 8.8-in, 30.5 cm x 22.4 cm
  - Solid Capacitor design
• OS
  - Microsoft^® Windows^® 10 64-bit
• Certifications
  - FCC, CE
  - ErP/EuP ready (ErP/EuP ready power supply is required)