ASRock A320M-HDV R4.0 AMD Socket AM4 Ryzen Micro ATX DDR4 D-Sub/DVI-D/HDMI
  • ASRock A320M-HDV R4.0 AMD Socket AM4 Ryzen Micro ATX DDR4 D-Sub/DVI-D/HDMI

    • AMD AM4 Socket
    • 2 DIMMs, Supports DDR4 3200+(OC)*
    • 1 PCIe 3.0 x16, 1 PCIe 2.0 x1
    • Graphics Output : HDMI, DVI-D, D-Sub
    • 7.1 CH HD Audio (Realtek ALC887 Audio Codec), ELNA Audio Caps
    • 4 SATA3, 1 Ultra M.2 (PCIe Gen3 x4 & SATA3)*
    • 6 USB 3.1 Gen1 (2 Front, 4 Rear)
    • Realtek Gigabit LAN
    • Actual support may vary by CPU.



    Ultra M.2 32 Gb/s (PCIe Gen3 x4 & SATA3)

    The PCIe Gen3 x4 Ultra M.2 interface pushes data transfer speeds up to 32Gb/s. In addition, it also supports SATA3 6Gb/s M.2 modules, and is compatible with ASRock’s U.2 Kit for installing some of the world’s fastest U.2 PCIe Gen3 x4 SSDs.



    • Specification

      Supports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Summit Ridge)
      Digi Power design
      7 Power Phase design
      Supports CPU up to 65W

      AMD Promontory A320

      Dual Channel DDR4 Memory Technology
      2 x DDR4 DIMM Slots
      AMD Ryzen series CPUs support DDR4 3200+(OC)/2933(OC)/2667/2400/2133 ECC & non-ECC, un-buffered memory*
      AMD 7th Gen A-Series APUs support DDR4 2400/2133 ECC & non-ECC, un-buffered memory**
      Max. capacity of system memory: 32GB**
      15 Gold Contact in DIMM Slots***
      *Please refer to Memory Support List on ASRock's website for more information.
      **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.

      Form Factor
      Micro ATX Form Factor: 9.1-in x 8.1-in, 23.1 cm x 20.6 cm
      Solid Capacitor design

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

      PCIE x1 Gigabit LAN 10/100/1000 Mb/s
      Realtek RTL8111GR
      Supports Wake-On-LAN
      Supports Lightning/ESD Protection
      Supports LAN Cable Detection
      Supports Energy Efficient Ethernet 802.3az
      Supports PXE

      7.1 CH HD Audio (Realtek ALC887 Audio Codec)*
      Supports Surge Protection
      ELNA Audio Caps
      *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.

      AMD Ryzen series CPUs
      1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)*
      AMD 7th A-Series APUs
      1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode)*
      1 x PCI Express 2.0 x1 Slot
      *Supports NVMe SSD as boot disks

      Onboard Graphics
      Integrated AMD Radeon R-Series Graphics in A-series APU*
      DirectX 12, Pixel Shader 5.0
      Max. shared memory 2GB
      Three graphics output options: D-Sub, DVI-D and HDMI
      Supports Triple Monitor
      Supports HDMI with max. resolution up to 4K x 2K (4096x2160) @ 24Hz / (3840x2160) @ 30Hz
      Supports DVI-D with max. resolution up to 1920x1200 @ 60Hz
      Supports D-Sub with max. resolution up to 2048x1536 @ 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 with DVI-D and HDMI Ports
      Supports Full HD 1080p Blu-ray (BD) playback with DVI-D and HDMI Ports
      *Actual support may vary by CPU

      Storage Interface
      4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug
      1 x Ultra M.2 Socket, supports M Key type 2242/2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s) (with Ryzen Series CPU) or Gen3 x2 (16 Gb/s) (with A-Series APU)*
      *Supports ASRock U.2 Kit
      Supports NVMe SSD as boot disks

      Internal I/O Connectors
      1 x Print Port Header
      1 x COM Port Header
      1 x TPM Header
      1 x Chassis Intrusion and Speaker Header
      1 x CPU Fan Connector (4-pin)*
      2 x Chassis Fan Connectors (1 x 4-pin, 1 x 3-pin)
      1 x 24 pin ATX Power Connector
      1 x 4 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)
      *The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.

      Back Panel I/O Connectors
      1 x PS/2 Mouse/Keyboard Port
      1 x D-Sub Port
      1 x DVI-D Port
      1 x HDMI Port
      2 x USB 2.0 Ports (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
      ASRock APP Charger
      ASRock XFast LAN
      ASRock Full HD UEFI
      ASRock Instant Flash
      ASRock Internet Flash
      ASRock Easy RAID Installer
      *These utilities can be downloaded from ASRock Live Update & APP Shop.

      Hardware Monitor
      CPU/Chassis temperature sensing
      CPU/Chassis Fan Tachometer
      CPU/Chassis Quiet Fan
      CPU/Chassis Fan multi-speed control
      CASE OPEN detection
      Voltage monitoring: +12V, +5V, +3.3V, Vcore

      Microsoft Windows 10 64-bit