PRIME A520M-K/CSM

Build in AMD AM4 Socket for 3rd Gen AMD Ryzen™ and 3rd Gen AMD Ryzen™ with Radeon™ Graphics Processors *
* Refer to www.asus.com for CPU support list

AMD A520

2 x DIMM, Max. 64GB, DDR4 4600(O.C)/4400(O.C)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory *
Dual Channel Memory Architecture
ECC Memory (ECC mode) support varies by CPU.
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
* The maximum memory frequency supported varies by processor.

1  x D-Sub
1  x HDMI 2.1(4K@60HZ)

3rd Gen AMD Ryzen™ and 3rd Gen AMD Ryzen™ with Radeon™ Graphics Processors
1 x PCIe 3.0 x16 (x16 mode)
AMD A520 Chipset
2 x PCIe 3.0 x1

Total supports 1 x M.2 slot(s) and 4 x SATA 6Gb/s ports
3rd Gen AMD Ryzen™ and 3rd Gen AMD Ryzen™ with Radeon™ Graphics Processors :
1 x M.2 Socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support
AMD A520 Chipset :
4 x SATA 6Gb/s port(s),
Support Raid 0, 1, 10

Realtek RTL8111H 1Gb Ethernet
ASUS LANGuard

Realtek ALC887 7.1 Surround Sound High Definition Audio CODEC *
- Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback
Audio Feature :
- Audio Shielding
- Dedicated audio PCB layers
* Choose the chassis with HD audio module in front panel to support 8-channel audio output.

Rear USB Port ( Total 6  )
4 x USB 3.2 Gen 1 port(s)(4 x Type-A)
2 x USB 2.0 port(s)(2 x Type-A)
Front USB Port ( Total 6  )
2 x USB 3.2 Gen 1 port(s)(2 x Type-A)
4 x USB 2.0 port(s)(4 x Type-A)

ASUS Exclusive Software
Armoury Crate
AI Suite 3
- Performance and Power Saving Utility
TurboV EVO
EPU
Digi+ VRM
Fan Xpert
- EZ update
ASUS CPU-Z
AI Charger
DAEMON Tools
Norton Anti-virus software (Free Trial for 60 days)
WinRAR
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode

ASUS 5X PROTECTION III
- ASUS DIGI+ VRM
- ASUS LANGuard
- ASUS Overvoltage Protection
- ASUS SafeSlot Core
- ASUS Stainless-Steel Back I/O
ASUS Q-Design
- ASUS Q-DIMM
- ASUS Q-Slot
ASUS Thermal Solution
- Aluminum heatsink design

1 x PS/2 keyboard/mouse combo port(s)
1 x D-Sub
1 x HDMI
1 x LAN (RJ45) port(s)
4 x USB 3.2 Gen 1 (blue) Type-A
2 x USB 2.0
3 x Audio jack(s)

1 x CPU Fan connector(s)
1 x Chassis Fan connector(s)
1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)
2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
1 x M.2 Socket 3 with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)
1 x SPI TPM header
4 x SATA 6Gb/s connector(s)
1 x S/PDIF out header(s)
1 x 24-pin EATX Power connector(s)
1 x 8-pin EATX 12V Power connectors
1 x Front panel audio connector(s) (AAFP)
1 x Clear CMOS jumper(s)
1 x System panel connector
1 x COM port header
1 x Speaker connector

User´s manual
1 x ACC Express Activation Key Card
I/O Shield
2 x SATA 6Gb/s cable(s)
1 x Supporting DVD
1 x M.2 SSD screw package(s)

256 Mb Flash ROM, UEFI AMI BIOS

WOL by PME, PXE

Windows® 10 64-bit

mATX Form Factor
8.9  inch x 8.7  inch ( 22.6  cm x 22.1  cm )