PRIME A320M-K/CSM

AMD AM4 Socket for 3rd/2nd/1st Gen AMD Ryzen™/2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/Athlon™ with Radeon™ Vega Graphics/7^th Generation A-series/Athlon X4 Processors
* Refer to www.asus.com for CPU support list

AMD A320

3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors
2 x DIMM, Max. 64GB, DDR4 3200(O.C.)/3000(O.C.)/2933(O.C.)/2800(O.C.)/2666/2400/2133 MHz Un-buffered Memory
AMD 7th Generation A-Series/Athlon X4 Processors
2 x DIMM, Max. 32GB, DDR4 2400/2133 MHz Un-buffered Memory
Dual Channel Memory Architecture
ECC Memory (ECC mode) support varies by CPU.
* Hyper DIMM support is subject to the physical characteristics of individual CPUs. 
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

Integrated Graphics in the 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics /Athlon™ with Radeon™ Vega Graphics /7th Generation A-Series APU
Multi-VGA output support : HDMI/D-Sub ports
- Supports HDMI 1.4b with max. resolution 4096 x 2160 @ 24 Hz / 2560 x 1600 @ 60 Hz
- Supports D-sub with max. resolution 1920 x 1200 @ 60 Hz
Maximum shared memory of 2048 MB (for iGPU exclusively)

3rd/2nd/1st Gen AMD Ryzen™ Processors
1 x PCIe 3.0/2.0 x16 (x16 mode)
2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics /7th Generation A-series/Athlon X4 Processors
1 x PCIe 3.0/2.0 x16 (x8 mode)
AMD Athlon™ with Radeon™ Vega Graphics Processors
1 x PCIe 3.0/2.0 x16 (x4 mode)
AMD A320 chipset
2 x PCIe 2.0 x1

AMD A320 chipset :
4 x SATA 6Gb/s port(s), gray,
Support Raid 0, 1, 10
3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics :
1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)
AMD Athlon™ with Radeon™ Vega Graphics/ 7th Generation A-Series/ Athlon™ X4 Processors :
1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA mode)

Realtek® RTL8111H, 1 x Gigabit LAN Controller(s)

Realtek ALC887/897 8-Channel High Definition Audio CODEC

3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics/ 7th Generation A-series/ Athlon X4 Processors :
4 x USB 3.1 Gen 1 port(s) (4 at back panel, blue)
AMD A320 chipset :
2 x USB 3.0 port(s) (2 at mid-board)
AMD A320 chipset :
6 x USB 2.0 port(s) (2 at back panel, , 4 at mid-board)

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 design
ASUS Exclusive Features :
- AI Suite 3
- Ai Charger
ASUS Quiet Thermal Solution :
- Stylish Fanless Design Heat-sink solution
- ASUS Fan Xpert
ASUS EZ DIY :
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
- Multi-language BIOS
ASUS Q-Design :
- ASUS Q-Slot
- ASUS Q-DIMM

Windows® 10

1 x PS/2 keyboard (purple)
1 x PS/2 mouse (green)
1 x D-Sub
1 x HDMI
1 x LAN (RJ45) port(s)
4 x USB 3.1 Gen 1 (blue)
2 x USB 2.0
3 x Audio jack(s)

1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s) (19-pin)
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 COM port(s) connector(s)
4 x SATA 6Gb/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 24-pin EATX Power connector(s)
1 x 4-pin ATX 12V Power connector(s)
1 x Front panel audio connector(s) (AAFP)
1 x System panel(s)
1 x Clear CMOS jumper(s)
1 x Speaker connector

User's manual
I/O Shield
2 x SATA 6Gb/s cable(s)
1 x M.2 Screw Package
1 x Supporting DVD

128 Mb Flash ROM, UEFI AMI BIOS, PnP,WfM2.0, SM BIOS 3.0, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, ASUS CrashFree BIOS 3, My Favorites, Last Modified log, F12 PrintScreen, ASUS DRAM SPD (Serial Presence Detect) memory information, F6 Qfan Control

Windows® 10 64-bit
Windows® 7 64-bit *¹

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

*1 Windows 7 64-bit is only supported when using AMD Ryzen™ 2nd Generation/ Ryzen™ 1st Generation / 7th Generation A-series/ Athlon X4 Processors.