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Green micro-ATX board with AM4 socket, two DDR4 slots, one PCIe x16, two PCIe x1, four SATA ports, one M.2 slot, HDMI DVI D-Sub video

ASUS

ASUS PRIME A320M-E AMD motherboard

SKU CH-4BV2-Q1A2A

Micro-ATX board for AM4 Ryzen CPUs with dual-channel DDR4 to 3200 MT/s, one PCIe 3.0 x16 slot, four SATA ports and one M.2 socket

  • CPU Socket TypeAM4
  • CPU TypeRyzen / Athlon / A-Series
  • ChipsetAMD A320
  • Number of Memory Slots2x288pin (DDR4)
  • Memory StandardDDR4 2666
  • Maximum Memory Supported32GB
  • Supports AMD Ryzen and Athlon processors on AM4 socket
  • Dual-channel DDR4 memory up to 3200 MT/s overclocked with 32 GB capacity
  • One PCIe 3.0 x16 slot plus two PCIe x1 slots for expansion cards
  • Four SATA 6 Gb/s ports and one M.2 slot for storage drives
  • Realtek ALC887 8-channel audio and RTL8111H gigabit LAN built in

ASUS PRIME A320M-E AM4 foundation

The ASUS PRIME A320M-E is a micro-ATX motherboard built on the AMD A320 chipset for socket AM4 processors. It accepts Ryzen, Athlon and 7th generation A-series CPUs and provides a compact platform for everyday desktop builds.

Entry builds and upgrades from older AM4 boards

This board suits builders who need a basic AM4 foundation with dual-channel DDR4 memory up to 32 GB and a single PCI Express 3.0 x16 slot for a graphics card. It lacks the overclocking headroom and extra connectivity of B- or X-series chipsets, so enthusiasts chasing higher memory speeds or multi-GPU layouts should look elsewhere.

One PCI Express 3.0 x16 slot decides GPU options

The single PCI Express 3.0 x16 slot determines whether your graphics card fits the build plan. If the system requires only one discrete GPU, this slot covers the requirement; any design needing a second x16 lane or additional high-bandwidth add-in cards cannot use this motherboard.

Highlights

  • Supports AMD Ryzen and Athlon processors on AM4 socket
  • Dual-channel DDR4 memory up to 3200 MT/s overclocked with 32 GB capacity
  • One PCIe 3.0 x16 slot plus two PCIe x1 slots for expansion cards
  • Four SATA 6 Gb/s ports and one M.2 slot for storage drives
  • Realtek ALC887 8-channel audio and RTL8111H gigabit LAN built in

Specifications

BrandASUS
ModelPRIME A320M-E
CPU Socket TypeAM4
CPU TypeRyzen / Athlon / A-Series
ChipsetAMD A320
Number of Memory Slots2x288pin (DDR4)
Memory StandardDDR4 2666
Maximum Memory Supported32GB
Channel SupportedDual Channel
PCI Express 3.0 x161 x PCI Express 3.0 x16
PCI Express x12 x PCI Express x1
Serial ATA (SATA)4 x SATA 6Gb/s
M.21 x M.2
SATA RAID0/1/10
Onboard Video ChipsetSupported only by CPU with integrated graphic
Audio ChipsetRealtek ALC887
Audio Channels8 Channels
LAN ChipsetRealtek RTL8111H
Max LAN Speed1Gbps
Back I/O Ports1 x D-Sub / 1 x DVI / 1 x HDMI / 1 x LAN (RJ45) / 3 x Audio Jacks
Video PortsD-Sub + DVI
HDMI1 x HDMI
RJ451 x RJ45
USB 3.15 x USB 3.1
Audio Ports3 Ports
Onboard USB2 x USB 3.1 + 4 x USB 2.0
Other Connectors1 x COM port(s) connector(s)1 x CPU Fan connector(s) (1 x 4-pin)1 x Chassis Fan connector(s) (1 x 4-pin)1 x S/PDIF out header(s)1 x Front panel audio connector(s) (AAFP)1 x System panel(s)1 x Clear CMOS jumper(s)1 x Speaker connector
Form FactorMicro ATX
Dimensions (W x L)8.9" x 8.7"
Power Pin24 Pin
FeaturesSpecial Features:ASUS 5X Protection III:- ASUS SafeSlot Core: Fortified PCIe Slot prevents damage- ASUS LANGuard: Protects against LAN surges, lightning strikes and static-electricity discharges!- ASUS Overvoltage Protection: World-class circuit-protecting power design- ASUS Stainless-Steel Back I/O: 3X corrosion-resistance for greater durability!- ASUS DIGI+ VRM: 6 Phase digital power designASUS Exclusive Features:- AI Suite 3- Ai ChargerASUS Quiet Thermal Solution:- Stylish Fanless Design Heat-sink solution- ASUS Fan XpertASUS EZ DIY:- ASUS CrashFree BIOS 3- ASUS EZ Flash 3- ASUS U
Package ContentsAccessories:User's manualI/O Shield2 x SATA 6Gb/s cable(s)1 x M.2 Anchor1 x Supporting DVD

Questions about this item

What case size and mounting holes does the Micro ATX board need?

The Micro ATX form factor fits cases with matching standoffs and I/O shield cut-out; secure it with standard motherboard screws.

How do I install the AM4 processor and what step is often missed?

Lift the socket lever, align the triangle on the CPU with the socket marker, lower the lever, then apply thermal paste before mounting the cooler.

When will the DDR4 memory slots or SATA ports need attention later?

DDR4 modules can be added up to 32 GB across the two 288-pin slots; SATA cables may be replaced if connectors loosen or cables degrade.

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