Article: DMC-000038863

ASUS PRIME B860-PLUS-CSM Motherboard

The ASUS PRIME B860-PLUS-CSM Motherboard 90MB1KA0-M0EAYC uses the Intel B860 chipset. It uses the LGA 1851 processor socket and supports DDR5 memory.

Characteristics
Processor socket
LGA 1851
Supported memory type
DDR5
Form factor
ATX
BIOS
2 x 128 Mb Flash ROM, UEFI AMI BIOS
Expansion slots
["PCIe x16: 2x (electrical lanes: 1x PCIe x16, 1x PCIe x4)"]
Internal connectors
["SATA: 4","M.2: 3","M.2 key: M","M.2 Wi-Fi: 1","M.2 interface: PCIe","M.2 module length: 42 - 80 mm","RGB LED headers: 1","Addressable RGB LED headers: 3","4-pin PWM fan headers: 7"]
Maximum memory capacity
256 GB
Memory channels
2 count
Memory controller in CPU
Yes
Maximum memory ranks
8 count
Memory slots
4 count
Motherboard chipset
Intel B860
Component type
Motherboard
Display connector requirement
The motherboard display connectors require a processor with integrated graphics.
Onboard networking
["Realtek 2.5Gb Ethernet"]
Additional headers
["USB 3.2 Gen 1 (5 Gbit/s): 2","USB-C 3.2 Gen 1 (5 Gbit/s): 1","USB 2.0: 4","Thunderbolt: 1","TPM: Yes"]
Power connectors
["ATX12V (24-Pin + 8-Pin)"]
Supported processors
1 count
Rear connectors
["USB-C 3.2 Gen 2x2 (20 Gbit/s): 1","USB-A 3.2 Gen 2 (10 Gbit/s): 2","USB-A 3.2 Gen 1 (5 Gbit/s): 1","USB-A 2.0: 2","HDMI: 1","DisplayPort output: 1","Microphone: 1","Line-in: 1","Line-out: 1","RJ-45: 1"]
Supported memory standards
["Up to DDR5-8200+ (OC)"]
Supported processor models
["Core Ultra 3 2xx (Arrow Lake)","Core Ultra 5 2xx (Arrow Lake)","Core Ultra 5 2xxF (Arrow Lake)","Core Ultra 5 2xxK (Arrow Lake)","Core Ultra 5 2xxKF (Arrow Lake)","Core Ultra 5 2xxT (Arrow Lake)","Core Ultra 7 2xx (Arrow Lake)","Core Ultra 7 2xxF (Arrow Lake)","Core Ultra 7 2xxK (Arrow Lake)","Core Ultra 7 2xxKF (Arrow Lake)","Core Ultra 7 2xxT (Arrow Lake)","Core Ultra 9 2xx (Arrow Lake)","Core Ultra 9 2xxK (Arrow Lake)","Core Ultra 9 2xxKF (Arrow Lake)","Core Ultra 9 2xxT (Arrow Lake)"]
Supported RAID levels
["0","1","10","5"]

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