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A320M, AMD A320 Chipset, AM4, microATX Motherboard

SKU: 11347039

Manufacturer: ASROCK

MPN: A320M

Availability: Available


Price: $59.78
or as low as $5/month
Quantity:
  • Micro ATX
  • ASRock Super Alloy
  • Supports AMD Socket AM4 A-Series APUs (Bristol Ridge)*1 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
  • 7.1 CH HD Audio (Realtek ALC887 Audio Codec), ELNA Audio Caps
  • 4 SATA3, 1 Ultra M.2 (PCIe Gen3 x4 & SATA3)
  • 6 USB 3.0 (2 Front, 4 Rear)
  • Realtek Gigabit LAN
    *A-Series APU (Bristol Ridge) is supported by connecting external graphics card.
Unique Feature ASRock Super Alloy
- Premium Power Choke
- Sapphire Black PCB
- High Density Glass Fabric PCB
ASRock Ultra M.2 (PCIe Gen3 x4 & SATA3)
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update & APP Shop
CPU - Supports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Summit Ridge)
- Digi Power design
- 9 Power Phase design
- Supports 95W Air Cooling
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**
- 15μ 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.

***Please refer to below table for DDR4 UDIMM maximum frequency support.
A-Series APUs:
UDIMM Memory Slot Frequency(MHZ)
A1 A2
- SR 2400
SR - 2400
- DR 2400
DR - 2400
SR SR 2400
DR DR 2400

Ryzen Series CPUs:
UDIMM Memory Slot Frequency(MHZ)
A1 A2
- SR 2667
SR - 2667
- DR 2667
DR - 2667
SR SR 2667
DR DR 2667


SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label
DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label
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 - n/a
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.
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
Slots 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
Storage - 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 (M2_1), 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
Connector - 1 x COM Port Header
- 1 x TPM Header
- 1 x Chassis Intrusion and Speaker Header
- 1 x RGB LED Header* Supports up to 12V/3A, 36W LED Strip
- 1 x AMD Fan LED 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 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 3.0 Header (Supports 2 USB 3.0 ports) (Supports ESD Protection)

*The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
Rear Panel I/O - 1 x PS/2 Mouse Port
- 1 x PS/2 Keyboard Port
- 2 x USB 2.0 Ports (Supports ESD Protection)
- 4 x USB 3.0 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 RGB LED
- ASRock APP Charger
- ASRock XFast LAN*
UEFI
- ASRock Full HD UEFI
- ASRock Instant Flash
- ASRock Internet Flash
- ASRock Crashless BIOS
- 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
- 1 x Screw for M.2 Socket
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
Form Factor - Micro ATX Form Factor: 9.1-in x 8.1-in, 23.1 cm x 20.6 cm
- Solid Capacitor design
OS - Microsoft® Windows® 10 64-bit*

*For the updated Windows® 10 driver, please visit ASRock's website for details.
Certifications - FCC, CE
- ErP/EuP ready (ErP/EuP ready power supply is required)