ASRock A320M-HDV R4.0 AMD Socket AM4 Ryzen Micro ATX DDR4 D-Sub/DVI-D/HDMI Ultra M.2 USB 3.1 Motherboard
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ASRock Super Alloy
Supports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Summit Ridge)
Supports DDR4 3200+ (OC) (Ryzen CPU) / 2400 (A-series APU)
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

CPU
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

Chipset
AMD Promontory A320

Memory
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

BIOS
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

LAN
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

Audio
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.

Expansion
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
Software
ASRock APP Charger
ASRock XFast LAN
UEFI
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

OS
Microsoft Windows 10 64-bit

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
1 x Screw for M.2 Socket

Regulations/Certifications/Remarks
FCC, CE
ErP/EuP ready (ErP/EuP ready power supply is required)

Additional Features
ASRock Super Alloy
High Density Glass Fabric PCB
Sapphire Black PCB
ASRock Ultra M.2 (PCIe Gen3 x4 & SATA3)
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update & APP Shop
  • Socket: AM4
  • CPU Compatibility: AMD Ryzen
  • Chipset: AMD A320
  • Form Factor: Micro ATX
  • Memory Slots: 2 Slots
  • M.2 Compatibility: NVMe / SATA
  • USB C: No
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