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Green rectangular micro-ATX board with silver CPU socket, two black DDR4 slots, full-size PCIe x16 slot

ASRock

ASRock A320M-HDV R4.0 AM4 AMD motherboard

SKU CH-QYGC-7SDVT

A micro-ATX AM4 board with an A320 chipset, two DDR4 slots for up to 32 GB, one PCIe 3.0 x16 slot, an Ultra M.2 socket up to Gen3 x4, four SATA3 ports and Realtek 1 GbE LAN

  • CPU Socket TypeAM4
  • CPU TypeSupports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ry
  • ChipsetAMD Promontory A320
  • Number of Memory Slots2x288pin (DDR4)
  • Memory StandardAMD Ryzen series CPUs (Matisse) support DDR4 3200/ 2933/ 266
  • Maximum Memory Supported32GB * Due to the operating system limitation, the actual me
  • Supports AMD Ryzen CPUs and APUs on AM4 socket
  • Dual-channel DDR4 memory up to 32 GB capacity
  • PCIe 3.0 x16 slot for discrete graphics cards
  • Ultra M.2 socket with Gen3 x4 bandwidth for fast storage
  • Realtek ALC887 audio delivers 7.1-channel sound

Micro ATX board for AM4 Ryzen and APU builds

The ASRock A320M-HDV R4.0 fits the AMD AM4 socket and accepts Ryzen Matisse, Summit Ridge, Pinnacle Ridge and Raven Ridge CPUs plus Bristol Ridge APUs. Two DDR4 slots support up to 32GB of dual-channel memory at speeds from 2133 to 3200 depending on the processor installed. The board targets cost-conscious system builders who need a compact foundation for home or office PCs.

Solid layout with video and M.2 flexibility

A single PCI Express 3.0 x16 slot handles a graphics card while one PCI Express 2.0 x1 slot adds expansion room. Four SATA3 6.0Gb/s ports and an Ultra M.2 socket accepting 2242, 2260 or 2280 modules provide storage options. Rear I/O includes PS/2, D-Sub, DVI-D, HDMI, two USB 2.0 and four USB 3.1 Gen1 ports plus gigabit LAN driven by a Realtek RTL8111H controller.

Chipset and memory limits define the ceiling

The A320 chipset restricts the primary x16 slot to x8 electrical with Raven Ridge APUs and locks overclocking features. M.2 PCIe bandwidth tops out at Gen3 x4 with Matisse, Summit Ridge, Raven Ridge and Pinnacle Ridge but drops to Gen3 x2 with Bristol Ridge. Maximum memory capacity stops at 32GB across the two slots and ECC support requires Ryzen PRO processors.

Highlights

  • Supports AMD Ryzen CPUs and APUs on AM4 socket
  • Dual-channel DDR4 memory up to 32 GB capacity
  • PCIe 3.0 x16 slot for discrete graphics cards
  • Ultra M.2 socket with Gen3 x4 bandwidth for fast storage
  • Realtek ALC887 audio delivers 7.1-channel sound

Specifications

BrandASRock
ModelA320M-HDV R4.0
CPU Socket TypeAM4
CPU TypeSupports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Matisse, Summit Ridge, Raven Ridge and Pinnacle Ridge)
ChipsetAMD Promontory A320
Number of Memory Slots2x288pin (DDR4)
Memory StandardAMD Ryzen series CPUs (Matisse) support DDR4 3200/ 2933/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
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*
AMD 7th Gen A-Series APUs support DDR4 2400/ 2133 non-ECC, un-buffered memory*
* For Ryzen Series CPUs (Raven Ridge)
Maximum Memory Supported32GB
* 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.
Channel SupportedDual Channel
PCI Express 3.0 x16AMD Ryzen series CPUs (Matisse, Summit Ridge and Pinnacle Ridge)
- 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)*
AMD Ryzen series CPUs (Raven Ridge)
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode)*
AMD Athlon series CPUs
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x4 mode)*
* Supports NVMe SSD as boot disks
PCI Express x11 x PCI Express 2.0 x1 Slot
Serial ATA (SATA)4 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug
M.21 x Ultra M.2 Socket, supports M Key type 2242/2260/2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x4 (32Gb/s) (with Matisse, Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16Gb/s) (with A-Series APU and Athlon 2xxGE series APU)*
* Supports NVMe SSD as boot disks
* Supports ASRock U.2 Kit
SATA RAID0/1/10
Onboard Video ChipsetIntegrated AMD Radeon Vega Series Graphics in Ryzen Series APU*
Integrated AMD Radeon R-Series Graphics in A-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, 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 HDM
Audio ChipsetRealtek ALC887
Audio Channels7.1 Channels
LAN ChipsetRealtek RTL8111H
Max LAN Speed1Gbps
Back I/O Ports1 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
Onboard USB2 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)
Other Connectors1 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 Front Panel Audio Connector
* The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
** The Chassis Fan Connector supports the chassis fan of maximum 1A (12W) fan power.
Form FactorMicro ATX
LED LightingNone RGB
Dimensions (W x L)9.0" x 7.9"
Power Pin1 x 24-pin ATX Power Connector
1 x 4-pin 12V Power Connector
Windows 11Supported
FeaturesUnique Feature:
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
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
Software and UEFI:
Software
- ASRock APP Charger
- ASRock XFast LAN
UEFI
- ASRock Full HD UEFI
- ASRock Instant Flash
- ASRock Easy RAID Installer
* These utilities can be downloade
Package ContentsAccessories:
- Quick Installation Guide, Support CD, I/O Shield
- 2 x SATA Data Cables
- 1 x Screw for M.2 Socket

Questions about this item

What PCI Express generation does the single x16 slot provide with a Matisse CPU?

The board provides a PCI Express 3.0 x16 slot that runs at x16 mode when a Ryzen Matisse CPU is installed.

What case clearance does the Micro ATX form factor require?

The board uses the Micro ATX form factor so it fits any case that accepts Micro ATX or larger motherboards.

How is the CPU cooler mounted and which step is often missed?

The AM4 socket uses the standard four-hole retention frame; the step often missed is removing the plastic protective cover from the socket before seating the processor.

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