The ASUS PRIME A520M-K (part number 90MB1500-M0EAY0) is an AMD AM4 micro-ATX motherboard with the AMD A520 chipset, two DDR4 slots supporting up to 64GB at up to 5100 MT/s (OC), a PCIe 3.0 x4 M.2 slot and HDMI 2.1 + D-Sub video outputs.
It is a dependable, budget-friendly base for AMD Ryzen 3000, 4000 G and 5000 Series office, home and entry-level gaming PCs, with ASUS 5X Protection III for long-term reliability.
Key Features
AM4 socket for AMD Ryzen 5000, 5000 G, 4000 G, 3000 and 3000 G Series processors
2 x DDR4 DIMM slots, up to 64GB and up to 5100 MT/s (OC)
1 x M.2 slot with PCIe 3.0 x4 and SATA modes for fast NVMe storage
4 x SATA 6Gb/s ports with RAID 0/1/10 support
HDMI 2.1 (4K@60Hz) and D-Sub outputs for Ryzen processors with graphics
4 x rear USB 3.2 Gen 1 and 2 x rear USB 2.0 ports
Realtek 1Gb Ethernet and Realtek 7.1 HD audio
ASUS 5X Protection III with stainless-steel back I/O and SafeSlot design
Full Specifications
General
Brand
ASUS
Model
PRIME A520M-K
Part Number
90MB1500-M0EAY0
Series
PRIME
Form Factor
Micro-ATX, 22.6 x 22.1 cm (8.9 x 8.7 in)
Performance
Socket
AMD AM4
Chipset
AMD A520
Supported CPUs
AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series and 3000 G-Series desktop processors
Memory
Memory Slots
2 x DIMM, dual channel
Max Memory
64GB
Memory Type
DDR4, up to 5100 MT/s (OC)
Expansion & Storage
PCIe Slots
1 x PCIe 3.0 x16 (x16 mode); 2 x PCIe 3.0 x1
M.2 Slots
1 x M.2 (Key M) 2242/2260/2280, PCIe 3.0 x4 and SATA modes
SATA
4 x SATA 6Gb/s
RAID
RAID 0, 1, 10
Connectivity
Graphics Outputs
1 x HDMI 2.1 (4K@60Hz), 1 x D-Sub
Ethernet
1 x Realtek RTL8111H 1Gb
Rear USB
4 x USB 3.2 Gen 1 Type-A, 2 x USB 2.0 Type-A
Front USB
1 x USB 3.2 Gen 1 header (2 ports), 2 x USB 2.0 headers (4 ports)
Rear I/O
USB ports, D-Sub, HDMI, 1Gb LAN, 3 x audio jacks, PS/2 combo port
Audio
Audio Codec
Realtek 7.1 HD Audio, up to 24-bit/192kHz
Software & BIOS
BIOS
256Mb Flash ROM, UEFI AMI BIOS
Special Features
ASUS 5X Protection III, Q-DIMM, Q-Slot, aluminium heatsink
Operating System
Windows 11, Windows 10 64-bit
Warranty
Warranty Type
Official ASUS warranty
Who Is This For?
Budget AMD Ryzen office and home PCs
Upgrading an older AM4 system with a Ryzen 5000 processor
Entry-level gaming builds with a dedicated graphics card
Business PCs that need HDMI and VGA (D-Sub) outputs
How It Compares
Compared with the ASUS PRIME A620AM-K, the A520M-K uses the older AM4 socket with DDR4 memory and PCIe 3.0 M.2, while the A620AM-K moves to AM5 with DDR5 and PCIe 4.0 M.2.
In the Box
1 x ASUS PRIME A520M-K motherboard
2 x SATA 6Gb/s cables
1 x I/O shield
1 x M.2 screw package
Support DVD
User manual
Why Buy from PC PARK?
100% original product with official warranty
Delivery to all regions of Saudi Arabia (Riyadh, Jeddah, Dammam and more)
Secure online checkout
Pre- and after-sales support from the PC PARK team
Frequently Asked Questions
Does the ASUS PRIME A520M-K support Ryzen 5000 processors? Yes. It supports AMD Ryzen 5000, 5000 G, 4000 G, 3000 and 3000 G Series desktop processors on socket AM4.
What RAM does the PRIME A520M-K use? It uses DDR4 memory in 2 slots, up to 64GB and up to 5100 MT/s with overclocking.
Does the A520M-K have an M.2 slot? Yes. It has one M.2 slot supporting PCIe 3.0 x4 NVMe and SATA SSDs.
What video outputs does the PRIME A520M-K have? It has one HDMI 2.1 port (4K@60Hz) and one D-Sub (VGA) port for processors with integrated graphics.
Is the ASUS PRIME A520M-K sold by PC PARK original? Yes. PC PARK sells only 100% original ASUS products, covered by the official ASUS warranty.
What warranty does the ASUS PRIME A520M-K have? It comes with the official ASUS warranty, and the PC PARK team helps you with any after-sales or warranty request.
Do you deliver the ASUS PRIME A520M-K in Saudi Arabia? Yes. PC PARK delivers to all regions of Saudi Arabia, with delivery time shown at checkout.
Order the ASUS PRIME A520M-K motherboard from PC PARK with official warranty and fast delivery across Saudi Arabia.
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