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Asus PRIME B860M-A-CSM (90MB1K00-M0EAYC)

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Asus PRIME B860M-A-CSM
2025Prime-CSM (business)M.2 coolingno backlight2.5 Gbps
Towards:home / office
Form Factor:micro-ATX
Socket:LGA 1851
Chipset:Intel B860
BIOS:Ami
RAM slots:DDR5 4 sl
RAM form factor:DIMM
RAM clock:8666 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 B860M-A-CSM
Main
Featuresfor home/office
SocketLGA 1851
Form factormicro-ATX
Power phases10 / 7+1+1+1 /
VRM heatsink
Size (HxW)244x244 mm
Chipset
ChipsetIntel B860
BIOSAmi
UEFI BIOS
RAM
DDR54 slot(s)
Memory moduleDIMM
Operation mode2 channel
Max. clock frequency8666 MHz
Max. memory256 GB
XMP
Drive interface
SATA 3 (6Gbps)4
M.2 connector2
M.22xPCIe 4x
M.2 version1x5.0, 1x4.0
M.2 SSD cooling
Integrated RAID controller
Expansion slots
1x PCIe slots1 pcs
PCIe 16x slots2 pcs
PCIe modes16x/4x
PCIe support5.0
Steel PCIe connectors
Internal connections
TPM connector
USB-A 2.01 pcs
USB-A 5Gbps1 pcs
USB-C 10Gbps1 psc
USB4 40Gbps1 pcs / Thunderbolt /
ARGB LED strip3
RGB LED strip1
Video outputs
HDMI output
HDMI versionv2.1
DisplayPort / x2 /
DisplayPort versionv.1.4
Integrated audio
AudiochipRealtek
Sound (channels)7.1
Network interfaces
LAN (RJ-45)2.5 Gbps
LAN ports1
LAN controllerRealtek
External connections
USB-A 2.04 pcs
USB-A 5Gbps2 pcs
USB-A 10Gbps1 pcs
USB-C 20Gbps1 pcs
Power connectors
Main power socket24-pin
CPU power8-pin
Fan power connectors6
CPU Fan 4-pin2
CPU/Water Pump Fan 4-pin1
Chassis/Water Pump Fan 4-pin3
Official Websiteasus.com
Added to E-CatalogJanuary 2025
P/N
90MB1K00-M0EAYC

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.
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ASUS PRIME B860M-A-CSM Intel Micro-ATX Motherboard

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Asus Asus Prime B860M-A CSM (LGA 1851) DDR5 Micro-ATX Motherboard 90MB1K00-M0EAYC

Component Details CPU Support Intel® Core™ Ultra Processors (... moreSeries 2), LGA1851*Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0*** Refer to https://www.asus.com/support/download-center/ for CPU support list.** Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types. Chipset Intel® B860 Chipset Memory 4 x DIMM slots, max. 192GB, DDR5Supports up to 8400+MT/s (OC), Non-ECC, Un-buffered, Clocked Unbuffered DIMM (CUDIMM)*Dual channel memory architectureDIMM FitSupports Intel® Extreme Memory Profile (XMP) memory moduleASUS Enhanced Memory Profile III (AEMP III)* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration. Graphics 2 x DisplayPort**1 x HDMI™ port***** Supports max. 4K@60Hz as specified in DisplayPort 1.4.*** Supports 4K@60Hz as specified in HDMI 2.1. Expansion Slots 1 x PCIe 5.0 x16 slot1 x PCIe 4.0 x16 slot (supports x4 mode)1 x PCIe 4.0 x1 slot Storage Total supports 2 x M.2 slots and 4 x SATA 6Gb/s portsIntel® Core™ Ultra Processors (Series 2)*M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 modes)4 x SATA 6Gb/s ports Ethernet 1 x Realtek 2.5Gb EthernetASUS LANGuard USB Rear USB (Total 8 ports)1 x USB 20Gbps port (1 x USB Type-C®)1 x USB 10Gbps port (1 x Type-A)2 x USB 5Gbps ports (2 x Type-A)4 x USB 2.0 ports (4 x Type-A)Front USB (Total 5 ports)1 x USB 10Gbps connector (supports USB Type-C®)1 x USB 5Gbps header supports 2 additional USB 5Gbps ports1 x USB 2.0 header supports 2 additional USB 2.0 ports Audio Realtek 7.1 Surround Sound High Definition Audio CODEC*Supports: Jack-detection, Multi-streaming, Front Panel Jack-retaskingSupports up to 24-Bit/192 kHz playbackAudio Features- Audio Shielding- Premium audio capacitors- Dedicated audio PCB layers Back Panel I/O Ports 1 x USB 20Gbps port (1 x USB Type-C®)1 x USB 10Gbps port (1 x Type-A)2 x USB 5Gbps ports (2 x Type-A)4 x USB 2.0 ports (4 x Type-A)2 x DisplayPort1 x HDMI™ port1 x Realtek 2.5Gb Ethernet port3 x Audio jacks Internal I/O Connectors Fan and Cooling Related:1 x 4-pin CPU Fan header1 x 4-pin CPU OPT Fan header1 x 4-pin AIO Pump header3 x 4-pin Chassis Fan headersPower Related:1 x 24-pin Main Power connector1 x 8-pin +12V CPU Power connectorStorage Related:2 x M.2 slots (Key M)4 x SATA 6Gb/s portsUSB:1 x USB 10Gbps connector (supports USB Type-C®)1 x USB 5Gbps header supports 2
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Asus 90MB1K00-M0EAYC

Processor manufacturer:Intel.Compatible processor series:Intel Core Ultra (Series 2).Processor socket:LGA 1851 (Socket V1).Pa... morerallel processing technology support:Not supported.Windows operating systems supported:Windows 10 x64.Windows operating systems supported:Windows 11.Motherboard form factor:micro ATX.Motherboard chipset family:Intel.Motherboard chipset:Intel B860.Product colour:Multicolour.Audio output channels:7.1 channels.Memory channels:Dual-channel.Memory slots type:DIMM.Supported memory types:DDR5-SDRAM.Number of memory slots:4.Maximum internal memory:256 GB.Unbuffered memory:Yes.ECC сompatibility:Non-ECC.Supported memory clock speed (max):8666 MHz.Depth:244 mm.Width:244 mm.Height:50 mm.Ethernet LAN:Yes.Wi-Fi:No.Ethernet interface type:2.5 Gigabit Ethernet.Front panel audio connector:Yes.ATX Power connector (24-pin):Yes.EPS power connector (8-pin):Yes.Number of chassis fan connectors:3.
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ASUS PRIME B860M-A-CSM DDR5 micro ATX LGA 1851 Motherboard 90MB1K00-M0EAYC

  PRIME B860M-A-CSM ASUS PRIME series motherboards are expertly engineered to unleash the full potential of the latest Int... moreel® Core™ Ultra Processors (Series 2). Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the PRIME B860M-A-CSM motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. Its designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.
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