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PRIME A320M-K/CSM

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H81M-K

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CPU

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/7th Generation A-series/Athlon X4 Processors,* Refer to www.asus.com for CPU support list
* Refer to www.asus.com for CPU support list.,Intel® Socket 1150for 4th Generation Core™ i7/Core™ i5/Core™ i3/Pentium®/Celeron® Processors,Supports Intel® 22nm CPU,Supports Intel® Turbo Boost Technology 2.0,* The Intel® Turbo Boost Technology 2.0 support depends on the CPU types.

Chipset

AMD A320
Intel® H81

Memory

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).
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).,2 x DIMM, Max. 16GB, DDR3 1600/1333/1066 MHz Non-ECC, Un-buffered Memory,* Due to Intel® chipset limitation, DDR3 1600 MHz and higher memory modules on XMP mode will run at the maximum transfer rate of DDR3 1600 Mhz.,Dual Channel Memory Architecture,Supports Intel® Extreme Memory Profile (XMP),* Hyper DIMM support is subject to the physical characteristics of individual CPUs.

Graphic

Integrated Graphics in the 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics /Athlon™ with Radeon™ Vega Graphics /7th Generation A-Series APU,- Supports HDMI 1.4b with max. resolution 4096 x 2160 @ 24 Hz / 2560 x 1600 @ 60 Hz,Maximum shared memory of 2048 MB (for iGPU exclusively),Multi-VGA output support : HDMI/D-Sub ports,- Supports D-sub with max. resolution 1920 x 1200 @ 60 Hz
Multi-VGA output support : DVI/RGB ports,Integrated Graphics Processor,- Supports DVI with max. resolution 1920 x 1200 @ 60Hz,- Supports RGB with max. resolution 1920 x 1200 @ 60 Hz,Supports Intel® InTru™ 3D, Quick Sync Video, Clear Video HD Technology, Insider™,Maximum shared memory of 1024 MB (for iGPU exclusively)

Expansion Slots

3rd/2nd/1st Gen AMD Ryzen™ Processors,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 (x16 mode),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
1 x PCIe x16,2 x PCIe 2.0 x1

Storage

3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics : ,AMD Athlon™ with Radeon™ Vega Graphics/ 7th Generation A-Series/ Athlon™ X4 Processors : ,AMD A320 chipset : ,4 x SATA 6Gb/s port(s), gray,,Support Raid 0, 1, 10,1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode),1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA mode)
Intel® H81 chipset : ,Supports Intel® Rapid Start Technology, Intel® Smart Connect Technology *1,2 x SATA 6Gb/s port(s), yellow,,2 x SATA 3Gb/s port(s), dark brown,

LAN

Realtek® RTL8111H, 1 x Gigabit LAN Controller(s)
Realtek® 8111G, 1 x Gigabit LAN Controller(s)

Audio

Realtek ALC887/8978-Channel High Definition Audio CODEC
Realtek ALC887/8978-Channel High Definition Audio CODEC *2,- Supports : Front Panel Jack-retasking, up to 24-Bit/192kHz playback

USB Ports

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),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)
2 x USB 3.1 Gen 1 port(s) (2 at back panel, blue),Intel® H81 chipset :,6 x USB 2.0 port(s) (2 at back panel, black, 4 at mid-board)

Special Features

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
- Network iControl,- USB 3.0 Boost,- ASUS EZ Flash 2,- Disk Unlocker,- Anti-Surge,ASUS EPU :,- EPU,ASUS Exclusive Features :,- GPU Boost,- AI Suite 3,- Ai Charger,- ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface,ASUS Quiet Thermal Solution :,- Stylish Fanless Design Heat-sink solution,- ASUS Fan Xpert,ASUS EZ DIY :,- ASUS CrashFree BIOS 3,ASUS Q-Design :,- ASUS Q-Slot

Operating System Support

Windows® 10
Windows® 8,Windows® 7

Back I/O Ports

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)
2 x USB 3.2 Gen 1 (blue),1 x PS/2 keyboard (purple),1 x PS/2 mouse (green),1 x DVI,1 x D-Sub,1 x LAN (RJ45) port(s),2 x USB 2.0,3 x Audio jack(s)

Internal I/O Ports

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
2 x SATA 3Gb/s connector(s),2 x SATA 6Gb/s connector(s),2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(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 connector(s),1 x Front panel audio connector(s) (AAFP),1 x Internal speaker connector(s),1 x Clear CMOS jumper(s)

Accessories

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

BIOS

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
64 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.7, ACPI 2.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS 3, My Favorites, Quick Note, Last Modified log, F12 PrintScreen, F3 Shortcut functions and ASUS DRAM SPD (Serial Presence Detect) memory information

Manageability

WfM 2.0, DMI 2.0, WOL by PME, PXE

Operating System

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

Form Factor

mATX Form Factor,8.9 inch x 8.7 inch ( 22.6 cm x 22.1 cm )
8.9 inch x 6.9 inch ( 22.6 cm x 17.5 cm ),uATX Form Factor

Support Disc

Drivers
ASUS Utilities
EZ Update
Anti-virus software (OEM version)

Note

*1 Windows 7 64-bit is only supported when using AMD Ryzen™ 2nd Generation/ Ryzen™ 1st Generation / 7th Generation A-series/ Athlon X4 Processors.
*1-1:Due to the limitation of the Intel® H81chipset, Intel® Rapid Start Technology can be configured only from the BIOS Setup program.
*1-2:These functions will work depending on the CPU installed.
*2:Use a chassis with HD audio module in the front panel to support an 8-channel audio output.
    • Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
    • *Precise specifications and features vary by model . Please refer to the specification page
    • The product (electrical , electronic equipment, Mercury-containing button cell battery) should not be placed in municipal waste. Check local regulations for disposal of electronic products.
    • The use of trademark symbol (TM, ®) appears on this website means that the word text, trademarks, logos or slogans, is being used as trademark under common laws protection and/or registered as Trademark in U.S. and/or other country/region.
    • Learn more about battery usage, removal, replacement, and related safety guidelines

         **Product specifications and battery design may vary depending on the model. For any questions, please contact ASUS official customer service.

    • Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
    • *Precise specifications and features vary by model. Please refer to the specification page
    • The product (electrical , electronic equipment, Mercury-containing button cell battery) should not be placed in municipal waste. Check local regulations for disposal of electronic products.
    • The use of trademark symbol (TM, ®) appears on this website means that the word text, trademarks, logos or slogans, is being used as trademark under common laws protection and/or registered as Trademark in U.S. and/or other country/region.
    • Learn more about battery usage, removal, replacement, and related safety guidelines

         **Product specifications and battery design may vary depending on the model. For any questions, please contact ASUS official customer service.