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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

  • ProcessorSupports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ry
  • ChipsetAMD Promontory A320
  • Form factorMicro ATX
  • CPU socketAM4
  • Memory slot count2 × 288pin (DDR4)
  • Supported memoryAMD Ryzen series CPUs (Matisse) support DDR4 3200/ 2933/ 266
  • 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.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $54.99
Cheaper than about 90% of the 1,906 comparable items (median $224.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASRock
Model nameA320M-HDV R4.0
Processor
ProcessorSupports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Matisse, Summit Ridge, Raven Ridge and Pinnacle Ridge)
CPU socketAM4
ChipsetAMD Promontory A320
Memory
Memory slot count2 × 288pin (DDR4)
Supported memoryAMD 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)
Memory channelsDual Channel
Storage
SATA ports4 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug
M.2 slots1 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 and RAID support0/1/10
Audio & video
Audio chipRealtek ALC887
Sound channels7.1 Channels
Connectivity
Ethernet controllerRealtek RTL8111H
Maximum network speed1 Gbit/s
Ports & slots
PCIe x1 slots1 x PCI Express 2.0 x1 Slot
Rear panel 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 USB headers2 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)
Power
Power connectors1 × 24-pin ATX Power Connector
1 × 4-pin 12 V Power Connector
Size & build
Form factorMicro ATX
Width and length9.0 in × 7.9 in
Compatibility
Windows 11 supportSupported
In the box
In the boxAccessories:
- Quick Installation Guide, Support CD, I/O Shield
- 2 x SATA Data Cables
- 1 x Screw for M.2 Socket
More details
LightingNone RGB

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.

More in Motherboards for AMD CPUs

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