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PRIME B660M-A WIFI D4-CSM

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PRIME A520M-A II/CSM

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CPU

Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0**
* Refer to www.asus.com for CPU support list.
** Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types.
*Refer to www.asus.com for CPU support list.

Manageability

WOL by PME, PXE
WOL by PME, PXE

Audio

Realtek 7.1 Surround Sound High Definition Audio CODEC*
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback"
Audio Features
- Audio Shielding
- Premium audio capacitors
- Dedicated audio PCB layers
** A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
Realtek ALC887/897 7.1 Surround Sound High Definition Audio CODEC*

- Supports : Jack detection, Multi-streaming, Front Panel Jack-retasking

- Supports up to 24-Bit/192 kHz playback"

Audio Features

- Audio Shielding

- Premium audio capacitors

- Dedicated audio PCB layers

*A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.

Expansion Slots

Intel® 14th & 13th & 12th Gen Processors
1 x PCIe 4.0/3.0 x16 slot
Intel® B660 Chipset *
1 x PCIe 3.0 x16 slot (supports x4 mode)
1 x PCIe 3.0 x16 slot (supports x1 mode)
*Supports Intel® Optane Memory H Series on PCH-attached PCIe slot
AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series/ 3000 G-Series Desktop Processors

1 x PCIe 3.0 x16 slot (supports x16 mode)

AMD A520 Chipset

2 x PCIe 3.0 x1 slots

Software Features

ASUS Exclusive Software
Armoury Crate
- AURA Creator
- AURA Sync
- Fan Xpert 2+
AI Suite 3
- Performance And Power Saving Utility
TurboV EVO
EPU
Digi+ VRM
ASUS CPU-Z
MyAsus
Norton Anti-virus software (Free Trial version)
WinRAR
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode

ASUS Exclusive Software

Armoury Crate

- Aura Creator

- Aura Sync

AI Suite 3

- Performance And Power Saving Utility

TurboV EVO

EPU

Digi+ VRM

Fan Xpert 2+

- EZ update

ASUS CPU-Z

AI Charger

DAEMON Tools

Norton Anti-virus software (Free Trial version)

WinRAR

UEFI BIOS

ASUS EZ DIY

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 3

- ASUS UEFI BIOS EZ Mode

Special Features

ASUS 5X PROTECTION III
- DIGI+ VRM
- Enhanced DRAM Overcurrent Protection
- ESD Guards
- LANGuard
- Overvoltage Protection
- SafeSlot Core+
- Stainless-Steel Back I/O
ASUS Q-Design
- Q-DIMM
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink
- VRM heatsink design
ASUS EZ DIY
- ProCool
AURA Sync
- AURA RGB header
- Addressable Gen 2 RGB headers

ASUS 5X PROTECTION III

- DIGI+ VRM

- LANGuard

- Overvoltage Protection

- SafeSlot Core

- Stainless-Steel Back I/O

ASUS Q-Design

- ASUS Q-DIMM

- ASUS Q-Slot

ASUS Thermal Solution

- VRM heatsink design

AURA Sync

- AURA RGB headers

- Addressable Gen 2 RGB headers

Accessories

Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS Wi-Fi moving antennas
1 x I/O Shield
1 x M.2 Rubber Package
1 x M.2 SSD screw package
Installation Media
1 x Support DVD
Documentation
1 x User manual

Cables

2 x SATA 6Gb/s cables

Miscellaneous

1 x I/O Shield

1 x M.2 SSD screw package

Installation Media

1 x Support DVD

Documentation

1 x User manual

Back Panel I/O Ports

2 x USB 3.2 Gen 2 ports (2 x Type-A )
4 x USB 2.0 ports (4 x Type-A)
1 x DisplayPort
2 x HDMI® ports
1 x Wi-Fi Module
1 x Intel® 1Gb Ethernet port
3 x Audio jacks
1 x PS/2 Keyboard/Mouse combo port

4 x USB 3.2 Gen 1 ports (4 x Type-A)

2 x USB 2.0 ports (2 x Type-A)

1 x DisplayPort

1 x HDMI™ port

1 x D-Sub

1 x Realtek 1Gb Ethernet port

3 x Audio jacks

1 x PS/2 Keyboard/Mouse combo port

Graphics

1 x DisplayPort**
2 x HDMI® ports***
* Graphics specifications may vary between CPU types. Please refer to www.intel.com for any updates.
** Supports max. 4K@60Hz as specified in DisplayPort 1.4.
***Supports 4K@60Hz as specified in HDMI 2.1.
1 x DisplayPort 1.2
1 x HDMI™ 2.1(4K@60Hz)
1 x D-Sub
* Graphics specifications may vary between CPU types

Wireless & Bluetooth

2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Supports 2.4/5GHz frequency band
Bluetooth v5.2"

Memory

4 x DIMM, Max. 128GB, DDR4
5333(OC)/5000(OC)/4800(OC)/4600(OC)/4400(OC)/4266(OC)/4000(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133 Non-ECC, Un-buffered Memory*"
Dual Channel Memory Architecture
Supports Intel® Extreme Memory Profile (XMP)
OptiMem II
"*Actual memory data rate depends on the CPU types and DRAM modules, for more information refer to www.asus.com for memory support list.

4800(OC)/4600(OC)/4466(OC)/4400(OC)/4266(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/3333(OC)/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), and memory frequency support depends on the CPU types.

Storage

Intel® 14th & 13th & 12th Gen Processors
M.2_1 slot (Key M), type 2242/2260/2280
Intel® B660 Chipset **
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)*
4 x SATA 6Gb/s ports
* Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10.
** Intel® Rapid Storage Technology supports Intel® Optane Memory H Series on PCH attached M.2 slots.
AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series/ 3000 G-Series Desktop Processors

M.2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)

AMD A520 Chipset

4 x SATA 6Gb/s ports

Support Raid 0, 1, 10

USB

Rear USB (Total 6 ports)
2 x USB 3.2 Gen 2 ports (2 x Type-A )
4 x USB 2.0 ports (4 x Type-A)

Front USB:Total 10 ports
Front USB (Total 10 ports)
2 x USB 3.2 Gen 1 headers support additional 4 USB 3.2 Gen 1 ports
1 x USB 3.2 Gen 1 connector (supports USB Type-C®)
2 x USB 2.0 headers support additional 4 USB 2.0 ports
1 x USB 2.0 headers support additional 1 USB 2.0 port

4 x USB 3.2 Gen 1 ports (4 x Type-A)

2 x USB 2.0 ports (2 x Type-A)


1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports

2 x USB 2.0 headers support additional 4 USB 2.0 ports

Internal I/O Connectors

Fan and Cooling related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
2 x 4-pin Chassis Fan header
Power related
1 x 24-pin Main Power connector
1 x 8-pin +12V Power connector
Storage related
2 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
USB
2 x USB 3.2 Gen 1 headers support additional 4 USB 3.2 Gen 1 ports
1 x USB 3.2 Gen 1 connector (supports USB Type-C®)
2 x USB 2.0 headers support additional 4 USB 2.0 ports
1 x USB 2.0 header support 1 USB 2.0 port
Miscellaneous
3 x AURA Addressable Gen 2 headers
1 x AURA RGB header
1 x Clear CMOS header
1 x COM Port header
1 x Front Panel Audio header (AAFP)
1 x LPT header
1 x S/PDIF Out header
1 x SPI TPM header (14-1pin)
1 x 20-3 pin System Panel header with Chassis intrude function

Fan and cooling related

1 x 4-pin CPU Fan header

2 x 4-pin Chassis Fan headers

Power related

1 x 24-pin Main Power connector

1 x 8-pin +12V Power connector

Storage related

1 x M.2 slot (Key M)

4 x SATA 6Gb/s ports

USB

1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports

2 x USB 2.0 headers support additional 4 USB 2.0 ports

Miscellaneous

2 x AURA Addressable Gen 2 header

2 x AURA RGB headers

1 x Clear CMOS header

1 x COM Port header

1 x Front Panel Audio header (AAFP)

1 x S/PDIF Out header

1 x Speaker header

1 x SPI TPM header (14-1pin)

1 x 10-1 pin System Panel header

BIOS

128 Mb Flash ROM, UEFI AMI BIOS
128 Mb Flash ROM, UEFI AMI BIOS

Operating System

Windows 10 64bit
    • 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.