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Deal.ai › ASUS › Motherboards
ASUS
ASUS Prime A520M-K

ASUS Prime A520M-K

4.3(17 ratings)

Best price now

$78.72at AsusChecked Nov 10

Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

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Price facts

  • Last seen at $78.72 at Asus on Nov 10.

Our take on the ASUS Prime A520M-K

The ASUS Prime A520M-K is a budget micro-ATX motherboard for AMD's AM4 socket, built on the A520 chipset. It covers the essentials: one M.2 slot, two DDR4 slots rated up to 4600 MHz, HDMI 2.1 and DVI outputs, USB-C on the rear panel, and a single PCIe x16 slot. It lacks PCIe 4.0 and CPU overclocking, which the B550 boards offer, so it suits a low-cost Ryzen 3 or Ryzen 5 build rather than a high-end one. Owners rate it well for a simple, stable budget board, though the limited fan headers and expansion are the usual complaints.

Best forBudget Ryzen 3 or Ryzen 5 gaming buildsSmall micro-ATX office or home PCsBuilders who want HDMI and DVI outputs for older monitorsFirst-time PC builders on a tight budget
Pros
  • Two display outputs, HDMI 2.1 and DVI, cover modern and older monitors
  • M.2 slot supports 2242, 2260 and 2280 drives
  • USB-C and USB 3.2 Gen 1 on the rear panel
  • PS/2 port and S/PDIF header help legacy peripherals and audio setups
  • DDR4 support up to 4600 MHz with two slots
  • Simple layout that is easy to build on
Cons
  • A520 chipset means no CPU overclocking
  • Only PCIe 3.0, no PCIe 4.0 for graphics or storage
  • Two 4-pin fan headers is few for a case with several fans
  • Two memory slots limit future RAM upgrades
  • No Bluetooth or Wi-Fi built in

ASUS Prime A520M-K prices at every store

  • AsusNew

    In stock

    $78.72+ $7.86 shippingChecked Nov 10
    Visit Asus

Store links may earn us a commission. Price via Klarna.

ASUS Prime A520M-K price history

Lowest price we've seen: $78.72 on Nov 10 at Asus. Tracked across 1 store since Nov 10.

What reviewers say

  • 4.3 / 517 ratings

Owners rate the Prime A520M-K around 4.3 out of 5 and describe it as a dependable, no-frills board that boots cleanly and fits small cases. Praise centers on value and the display outputs; criticism lands on the sparse fan headers and the A520 chipset's limits.

What people mention
  • ValuePraisedOwners say it delivers the basics for a budget build without fuss.
  • SetupPraisedBuilders report a straightforward install and a clean first boot.
  • Fan headersCriticisedTwo 4-pin headers are called too few for cases with multiple fans.
  • OverclockingCriticisedThe A520 chipset blocks CPU overclocking, which some buyers miss.
  • ExpansionMixedThe single M.2 slot and PCIe 3.0 are fine for basic builds but limit upgrades.

Specifications

Connections
USB-C, 1/8" Headphone Jack, HDMI, USB-A, PS/2, DVI, RJ45 (LAN)Source
Bluetooth
NoSource
M.2 Form Factor
2280, 2242, 2260Source
Processor
AMDSource
Chipset

Questions and answers

Can I overclock a CPU on the Prime A520M-K?
No. The A520 chipset does not support CPU overclocking or memory above the board's rated speeds beyond what the BIOS allows. Pick a B550 board if overclocking matters.
Which Ryzen CPUs does it support?
It uses the AM4 socket and supports Ryzen 3, 5, 7 and 9 plus Athlon processors on the A520 chipset. Check ASUS's CPU support list for older or newer models before buying.
Does it have PCIe 4.0?
No. The A520 chipset provides PCIe 3.0 only, so a PCIe 4.0 graphics card or SSD will run at 3.0 speeds.
How many fans can I connect?
There are two 4-pin fan headers, typically one for the CPU cooler and one for a case fan. Use a splitter or a fan hub for more fans.
Does it have Wi-Fi or Bluetooth?
No. Networking is wired only through the RJ45 LAN port, so add a USB or PCIe Wi-Fi card if you need wireless.
What comes in the box?
The board, a SATA cable, the I/O shield and a quick-start guide are the usual contents. Confirm the exact bundle with the seller, since regional packs vary.
Where is the ASUS Prime A520M-K cheapest?
At Asus, for $78.72, as of our latest check.
What do buyers say about the ASUS Prime A520M-K?
Rated 4.3 out of 5 from 17 ratings.

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AMD A520Source
Memory Slots
2Source
Number of PCIe x1 (pcs)
2Source
USB Version
USB 2.0 (480Mbps), USB 3.2 Gen 1 (5Gbps)Source
Memory Type
DDR4Source
Memory Speed (max) (MHz)
4600Source
Processor Support AMD
Ryzen 9, Ryzen 3, Athlon, Ryzen 5, Ryzen 7Source
M.2
YesSource
No. of HDMI (pcs)
1Source
Integrated Processor
NoSource
Form Factor
Micro-ATXSource
Number of 24-pin ATX (pcs)
1Source
HDMI Version
2.1Source
Expansion Slots
PCIe x16, PCIe x1Source
M.2 Key Type
M KeySource
U.2
NoSource
Number of PCIe x16 (pcs)
1Source
Number of PS/2 (pcs)
1Source
RAID Controller
YesSource
Type of RAID
RAID 10, RAID 0, RAID 1Source
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