Asus PRIME B660M-A D4-CSM (90MB19K0-M1EAYC)

Name: Asus PRIME B660M-A D4-CSM 90MB19K0-M1EAYC
Brand: Asus

Photos - Motherboard Asus PRIME B660M-A D4-CSM

Photos ₆

How to buy

from £82.30 up to £258.14

Compare prices ₆ →

When you make a purchase through links on our site, we may receive a affiliate commission.

Awd-it.co.uk →	£82.30	Tradeinn.com →	£94.99
Pcnova.co.uk →	£140.60	Gamingkit.co.uk →	£140.60
Senetic.co.uk →	£154.02	Onbuy.com →	£258.14

Asus PRIME B660M-A D4-CSM

2023Prime-CSM (business)M.2 cooling no backlight

Towards:home / office

Form Factor:micro-ATX

Socket:LGA 1700

Chipset:Intel B660

BIOS:Ami

RAM slots:DDR4 4 sl

RAM form factor:DIMM

RAM clock:5333 MHz

Sound (channels):7.1

Connectors:HDMI, M.2

Additional connectors:DisplayPort

Power connector:24-pin

Processor power:8-pin

CSM is a model for corporate users. Customers of CSM products receive the ASUS Control Centre administration software.

All specifications

Specifications PRIME B660M-A D4-CSM

Main
Features	for home/office
Socket	LGA 1700
Form factor	micro-ATX
Power phases	8
VRM heatsink
Size (HxW)	244x244 mm


Chipset
Chipset	Intel B660
BIOS	Ami
UEFI BIOS


RAM
DDR4	4 slot(s)
Memory module	DIMM
Operation mode	2 channel
Max. clock frequency	5333 MHz
Max. memory	128 GB
XMP


Drive interface
SATA 3 (6Gbps)	4
M.2 connector	2
M.2	2xPCIe 4x
M.2 SSD cooling
Integrated RAID controller	/ 0/1/5/10 /


Expansion slots
PCIe 16x slots	3 pcs
PCIe modes	16x/4x/1x
PCIe support	4.0
Steel PCIe connectors

Internal connections
TPM connector
USB-A 2.0	3 pcs
USB-A 5Gbps	2 pcs
USB-C 5Gbps	1 pcs
ARGB LED strip	3
RGB LED strip	1


Video outputs
HDMI output
HDMI version	v2.1
DisplayPort
DisplayPort version	v.1.4


Integrated audio
Audiochip	Realtek ALC897
Sound (channels)	7.1


Network interfaces
LAN (RJ-45)	1 Gbps
LAN ports	1
LAN controller	Intel


External connections
USB-A 2.0	4 pcs
USB-A 10Gbps	2 pcs
PS/2	1


Power connectors
Main power socket	24-pin
CPU power	8-pin
Fan power connectors	4
CPU Fan 4-pin	2
Chassis/Water Pump Fan 4-pin	2


Official Website	asus.com
Added to E-Catalog	August 2023
P/N	90MB19K0-M1EAYC

E-Catalog UK editor, Motherboards

Valerii Lenko, edited 16.07.2025

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Asus 2026 - new arrivals, bestsellers, and the most relevant models Asus.

How to choose a motherboard?Motherboard is the main part of any computer. Here's how to choose the right one for work, play and entertainment

Buy Asus PRIME B660M-A D4-CSM

All prices 6 →

When you make a purchase through links on our site, we may receive a affiliate commission.


	Asus Prime B660M-A D4-CSM mATX Intel LGA 1700 Motherboard Awd-it.co.uk Delivery: to United Kingdom Report	£82.30 Buy in shop

	Asus 90MB19K0-M1EAYC ASUS PRIME B660M-A D4-CSM.Processor manufacturer:Intel, Processor socket:LGA 1700, Compatible processor:Intel® Celeron®, Inte... morel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7, Intel® Core™ i9,.Compatible memory types:DDR4-SDRAM, Maximum internal memory:128 GB, Memory slot type:DIMM.Supported storage drive interfaces:M.2, SATA III, Supported storage drive types:HDD & SSD, RAID levels:0, 1, 5, 10.Ethernet interface type:Gigabit Ethernet.Component for:PC, Form factor:micro ATX, Chipset family:Intel.Specifications:-Processor manufacturer:Intel.-Processor socket:LGA 1700.-Compatible processor:Intel® Celeron®, Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7, Intel® Core™ i9, Intel® Pentium® Gold.-Max.number of SMP processor:1.-Maximum supported memory clock speed:5333 MHz.-Supported memory types:DDR4-SDRAM.-Number of memory slots:4.-Type of memory slots:DIMM.-Maximum internal memory:128 GB.-Memory channels:Dual channel.-Supported memory clock speeds:2133,2400,2666,2800,2933,3000,3200,3333,3400,3466,3600,3733,4000,4266,4400,4600,4800,5000,5333 MHz.-Non-ECC :Yeah.-Ethernet:Yes.-Ethernet interface type:Gigabit Ethernet.-Wifi:No.-USB 2.0, connectors:3.-USB 3.2 Gen 1 (3.1 Gen 1) connectors:3.-Number of SATA III connectors:4.-Audio connector on front panel:Yes.-ATX power connector (24 pins):Yes.-CPU fan connector:Yes.-Number of connectors to chassis fan:2.-EPS power connector (8-pin):Yes.-S/PDIF, output connector:Yes.-Connector for RGB LED strips:Yes.-TPM connector:Yes.-Fan connector:Yes.-USB 2.0:4.-USB 3.2 Gen 1 (3.1 Gen 1) Type C:2.-PS/2:1 mouse port.-Ethernet LAN ports (RJ-45):1.-HDMI Ports:2.-DisplayPort:1.-RAID compatibility:Yes.-Number of supported storage units:6.-Supported storage disk interfaces:M.2, SATA III.-Types of storage units supported:HDD & SSD.-RAID levels:0, 1, 5, 10.-Number of HDDs supported:4.-PCI Express x16 slots (Gen 4.x):1.-Number of M.2 slots (M):2.-PCI Express x16 Gen (3.x) slots:2.-BIOS types:UEFI AMI.-BIOS, memory size:128 MB/s.-Chipset family:Intel.-Chipset:Intel B660.-Form factor:Micro ATX.-Audio output channels:7.1 channels.-Sound chip:Realtek ALC897.-Component for:PC.-Supported Windows operating system:Windows 10, Windows 11.-Cooling type:Passive.-Width:244 mm.-Depth:244 mm.-Cables included:SATA. Tradeinn.com Delivery: in United Kingdom Report	£94.99 Buy in shop

	ASUS PRIME B660M-A D4-CSM Intel B660 LGA 1700 micro ATX ASUS PRIME B660M-A D4-CSM Intel B660 LGA 1700 micro ATX ASUS Corporate Stable ModelASUS Corporate Stable Model (CSM) is a com... moremercial program designed to provide stable and reliable motherboards. Offering up to 36-month product lifecycle support and 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center Express - server-grade IT management software.ASUS ControlCenter ExpressASUS Control Center Express is an integrated IT monitoring and management software designed to deploy faster. simplify IT operations and improve productivity with comprehensive control and user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality. TCO-optimized solution for your business needs.Optimize IT endpoint managementDesigned to assist IT staff in monitoring and controlling devices within their corporate networks. and facilitate inventory checking in multiple locations remotelyAutomate IT maintenanceAllows IT staff to schedule automatic updates of the latest BIOS. software and utilities to specific or all devices at off-peak times. enhancing system stability and IT operational flexibilitySecurely manage all of endpointsSecurely manage endpoint configuration. portable storage access and PC software applications by enabling them to create grouping rules on individual devicesFLEXIBILITYComprehensive controls form the foundation of the ASUS Prime series. The Prime B660 motherboard packs flexible tools to tune every aspect of your system. enabling performance tweaks to perfectly match the way you work to maximize productivity.All-Around Energy EfficiencyThe Energy Processing Unit (EPU) automatically optimizes power consumption and maximizes energy savings with Away mode — a smart setting that creates an extreme energy-saving scenario by shutting down unused I/O controllers.Flexible Air- and Liquid-Cooling ControlsASUS Fan Xpert 2+ software provides comprehensive control over fans. water pumps and all-in-one (AiO) coolers. Whether cooling with air or water. an Auto-Tuning mode intelligently configures all parameters with a single click. There’s also an Extreme Quiet mode that reduces all fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans. water pumps and AiO coolers can also be controlled via the UEFI BIOS.Precise Digital Power ControlThe Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop. automatically switching frequency and power-efficiency settings. It also allows you to fine-tune your CPU for ultimate stability and performance.UEFI BIOSThe renowned ASUS UEFI BIOS provides everything you need to configure. tweak and tune your system. It offers intelligently simplified options for PC DIY beginners. as well as comprehensive features for seasoned veterans.Advanced Tuning for Serious Pcnova.co.uk Delivery: in United Kingdom Report	£140.60 Buy in shop

	ASUS PRIME B660M-A D4-CSM Intel B660 LGA 1700 micro ATX 90MB19K0-M1EAYC ASUS Corporate Stable ModelASUS Corporate Stable Model (CSM) is a commercial program designed to provide stable and reliable... moremotherboards. Offering up to 36-month product lifecycle support and 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center Express - server-grade IT management software.ASUS ControlCenter ExpressASUS Control Center Express is an integrated IT monitoring and management software designed to deploy faster. simplify IT operations and improve productivity with comprehensive control and user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality. TCO-optimized solution for your business needs.Optimize IT endpoint managementDesigned to assist IT staff in monitoring and controlling devices within their corporate networks. and facilitate inventory checking in multiple locations remotelyAutomate IT maintenanceAllows IT staff to schedule automatic updates of the latest BIOS. software and utilities to specific or all devices at off-peak times. enhancing system stability and IT operational flexibilitySecurely manage all of endpointsSecurely manage endpoint configuration. portable storage access and PC software applications by enabling them to create grouping rules on individual devicesFLEXIBILITYComprehensive controls form the foundation of the ASUS Prime series. The Prime B660 motherboard packs flexible tools to tune every aspect of your system. enabling performance tweaks to perfectly match the way you work to maximize productivity.All-Around Energy EfficiencyThe Energy Processing Unit (EPU) automatically optimizes power consumption and maximizes energy savings with Away mode — a smart setting that creates an extreme energy-saving scenario by shutting down unused I/O controllers.Flexible Air- and Liquid-Cooling ControlsASUS Fan Xpert 2+ software provides comprehensive control over fans. water pumps and all-in-one (AiO) coolers. Whether cooling with air or water. an Auto-Tuning mode intelligently configures all parameters with a single click. There’s also an Extreme Quiet mode that reduces all fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans. water pumps and AiO coolers can also be controlled via the UEFI BIOS.Precise Digital Power ControlThe Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop. automatically switching frequency and power-efficiency settings. It also allows you to fine-tune your CPU for ultimate stability and performance.UEFI BIOSThe renowned ASUS UEFI BIOS provides everything you need to configure. tweak and tune your system. It offers intelligently simplified options for PC DIY beginners. as well as comprehensive features for seasoned veterans.Advanced Tuning for Serious TweakersAn intuitive Advanced mode offered via the UEFI Gamingkit.co.uk Delivery: in United Kingdom Report	£140.60 Buy in shop

	ASUS PRIME B660M-A D4-CSM \| B660, LGA1700, DDR4, M.2 90MB19K0-M1EAYC ASUS PRIME B660M-A D4-CSM. Processor manufacturer: Intel, Processor socket: LGA 1700, Compatible processor series: Intel® Cel... moreeron®, Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7, Intel® Core™ i9,.... Supported memory types: DDR4-SDRAM, Maximum internal memory: 128 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, SATA III, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 5, 10. Ethernet interface type: Gigabit Ethernet. Component for: PC, Motherboard form factor: micro ATX, Motherboard chipset family: Intel... Senetic.co.uk Delivery: to United Kingdom Report	£154.02 Buy in shop

	MB ASUS Intel 1700 PRIME B660M-A D4-CSM MB ASUS Intel 1700 PRIME B660M-A D4-CSM Onbuy.com Delivery: in United Kingdom Report	£258.14 Buy in shop