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ATX motherboard with silver heatsinks black PCB and rear I/O panel

ASUS

ASUS Prime X370-A AMD motherboard

SKU CH-30TS-MB9TE

ATX motherboard for AM4 CPUs with four DDR4 slots up to 64 GB, one M.2 socket, six SATA ports, HDMI, DVI, VGA, USB 3.1 and gigabit LAN

  • ProcessorA-Series / Athlon with Radeon Graphics / Ryzen 1000 Series /
  • ChipsetAMD X370
  • Form factorATX
  • CPU socketAM4
  • Memory slot count4 × 288pin (DDR4)
  • Supported memoryRyzen Processors: DDR4 3200(O.C.)/ 2933(O.C.)/ 2666/ 2400/ 2
  • Supports up to 64GB DDR4 memory
  • M.2 socket 3 for PCIe 3.0 x4 storage
  • HDMI 1.4b outputs 4096 x 2160 at 24 Hz
  • Realtek RTL8111H provides 1Gbps wired LAN
  • SafeSlot reinforces PCIe x16 slot for heavy GPUs

AM4 Platform Foundation

The ASUS Prime X370-A is an ATX motherboard built on the AMD X370 chipset for AM4 socket processors. It supports Ryzen 1000 through 5000 series CPUs and 7th generation A-Series or Athlon APUs. Four 288-pin slots accept up to 64GB of DDR4 memory. Integrated graphics output via HDMI 1.4b, DVI-D and VGA is available when using a compatible APU.

Upgrade From Older AM4 Boards

This board replaces earlier 300-series models that lack native NVMe M.2 support or USB 3.1 Gen 1 ports. The single M.2 Socket 3 M-key slot handles 2242, 2260, 2280 and 22110 drives in PCIe 3.0 x4 or SATA mode with Ryzen CPUs. Six SATA 6Gb/s ports provide RAID 0, 1 and 10. The move is worth it when adding fast M.2 storage or needing more USB 3.1 connectivity without a PCIe add-in card.

Sustained Load Behaviour

5X Protection III hardware safeguards and a reinforced SafeSlot PCIe 3.0 x16 slot protect components during extended high-power operation. FanXpert 2+ controls chassis and CPU fans based on thermal sensors for steady airflow under continuous load. The Realtek RTL8111H Gigabit LAN and ALC887 8-channel audio maintain stable I/O during long sessions. A secondary PCIe 2.0 x16 slot runs at x4 mode and two PCIe 2.0 x1 slots remain available for additional cards.

How it compares

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

Price $92.99
Cheaper than about 78% 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 nameASUS
Model namePrime X370-A
Processor
ProcessorA-Series / Athlon with Radeon Graphics / Ryzen 1000 Series / Ryzen 2000 Series / Ryzen 2000G Series / Ryzen 3000 Series / Ryzen 3000G Series / Ryzen 4000 Series / Ryzen 4000G Series / Ryzen 5000 Series / Ryzen 5000G Series
CPU socketAM4
ChipsetAMD X370
Memory
Memory slot count4 × 288pin (DDR4)
Max supported RAM64 GB
Storage
SATA ports6 x SATA 6Gb/s
M.2 slotsRyzen Processors:
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 × 4 mode)
7th Gen A-series/Athlon Processors:
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 × 2 mode)
SATA and RAID support0/1/10
Audio & video
Audio chipRealtek ALC887-VD2
Sound channels8 Channels
Connectivity
Ethernet controllerRealtek RTL8111H
Maximum network speed1 Gbit/s
Ports & slots
PCIe 3.0 x16 slotsAMD Ryzen Processors:
1 x PCIe 3.0/2.0 x16 (x16 mode)
AMD 7th Generation A-series/Athlon Processors:
1 x PCIe 3.0/2.0 x16 (x8 mode)
PCIe x1 slots2 x PCIe 2.0 x1
PCI slots2 x PCI Slots
Rear panel ports1 x D-Sub / 1 x DVI-D / 1 x HDMI / 1 x LAN (RJ45) / 1 x PS/2 / 2 x USB 2.0/1.1 / 3 x Audio Jacks / 4 x USB 3.1 Gen 1
PS/2 ports1 x PS/2 keyboard/mouse port
Video connectors1 x DVI-D
1 x D-Sub
HDMI ports1 x HDMI
Ethernet port1 x RJ45
USB 3.1 ports2 x USB 3.1
USB 3.0 ports4 x USB 3.0
USB 2.0 ports2 x USB 2.0
Audio jacks3 Ports
Onboard USB headers1 x USB 3.0 connector(s) support(s) additional 2 USB 3.0 port(s)
2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
Power
Power connectors1 × 8-pin EATX 12 V Power connector
1 × 24-pin EATX Power connector(s)
Size & build
Form factorATX
Width and length12.0 in × 9.3 in
In the box
In the boxAccessories:
User's manual
I/O Shield
2 x SATA 6Gb/s cable(s)
1 x M.2 Screw Package
More details
PCI express 2.0 x161 x PCIe 2.0 x16 (max at x4 mode)

Questions about this item

What size M.2 SSD does the Prime X370-A board accept?

The M.2 slot supports type 2242, 2260, 2280 and 22110 drives in both SATA and PCIe 3.0 x4 modes when a Ryzen processor is installed.

Which PCIe slot should I use for a graphics card and how do I secure it?

Install the GPU in the top PCIe 3.0 x16 SafeSlot; it runs at x16 with Ryzen CPUs and x8 with 7th-gen A-series APUs, and the metal-reinforced latch clicks only when the card is fully seated.

How many DDR4 modules can I install and what is the total capacity limit?

Four 288-pin DDR4 slots accept up to 64 GB total; with Ryzen processors the board runs 3200 or 2933 MT/s overclocked and 2666 MT/s standard.

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