ASUS
ASUS PRIME X870-P-CSM motherboard AMD X870 Socket AM5 ATX
Part number PRIME X870-P-CSM
ASUS PRIME X870-P-CSM AMD AM5 X870 ATX BUSINESS MOTHERBOARD
AMD Socket AM5 AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series PC ATX AMD X870 7.1 channels DDR5-SDRAM 4 DIMM Maximum internal memory: 256 GB HDD & SSD M.2, SATA III RAID support Number of storage drives supported: 6 BIOS type: UEFI AMI 256 Mbit 2.5 Gigabit Ethernet
Manufacturer ASUS
Part number PRIME X870-P-CSM
Condition New
Category System Components › Motherboards 1GPA category Hardware
Manufacturer MSRP
$249.99
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Stock and final pricing are confirmed by your rep on the quote. Catalog dated September 30, 2026.
Overview
ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the PRIME X870-P-CSM motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It's designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.
Specifications
Processor
Processor manufacturer AMD Processor socket Socket AM5 Compatible processor series AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series Supported processor sockets Socket AM5
Memory
Supported memory types DDR5-SDRAM Number of memory slots 4 Memory slots type DIMM Memory channels Dual-channel ECC сompatibility ECC & Non-ECC Supported memory clock speed (max) 8000 MHz Maximum internal memory 256 GB Unbuffered memory Yes Maximum internal memory per slot 64 GB
Storage controllers
Supported storage drive types HDD & SSD Supported storage drive interfaces M.2, SATA III Number of HDDs supported 2 Number of storage drives supported 6 RAID support Yes RAID levels 0, 1, 5, 10
Graphics
Parallel processing technology support Not supported Maximum resolution 3840 x 2160 pixels
Internal I/O
USB 2.0 connectors 2 USB 3.2 Gen 1 (3.1 Gen 1) connectors 1 USB 3.2 Gen 2 (3.1 Gen 2) connectors 1 Number of SATA III connectors 2 S/PDIF out connector Yes Front panel audio connector Yes Front panel connector Yes ATX Power connector (24-pin) Yes CPU fan connector Yes Number of CPU fan connectors 1 Number of chassis fan connectors 4 EPS power connector (8-pin) Yes Number of EPS power connectors (8-pin) 2 Number of COM connectors 1 TPM connector Yes 12V power connector Yes Number of water pump connectors 1 RGB LED pin header Yes Number of RGB LED pin headers 3
Rear panel I/O ports
USB 2.0 ports quantity 4 USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 3 USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity 1 USB4 Gen 3x2 ports quantity 2 Ethernet LAN (RJ-45) ports 1 HDMI ports quantity 1 HDMI version 2.1 DisplayPort version 1.4a Headphone outputs 1 Line-in Yes Microphone in Yes
Network
Ethernet LAN Yes Ethernet interface type 2.5 Gigabit Ethernet Wi-Fi No
Features
Motherboard chipset AMD X870 Audio output channels 7.1 channels Product colour Black Component for PC Motherboard form factor ATX Motherboard chipset family AMD Cooling type Passive Power source type ATX Windows operating systems supported Windows 10, Windows 11
Expansion slots
PCI Express x16 (Gen 4.x) slots 2 PCI Express x16 (Gen 5.x) slots 1 Number of M.2 (M) slots 4 1st M.2 largest key size 2280 1st M.2 highest PCI Express generation 5.0 2nd M.2 largest key size 2280 2nd M.2 highest PCI Express generation 4.0 3rd M.2 largest key size 2280 3rd M.2 highest PCI Express generation 4.0 4th M.2 largest key size 2280 4th M.2 highest PCI Express generation 3.0
BIOS
BIOS type UEFI AMI BIOS memory size 256 Mbit BIOS flashback button Yes
Weight & dimensions
Width 305 mm Depth 244 mm
Packaging content
Cables included SATA Screws included Yes
Product photos and overview provided by the manufacturer through Icecat. Confirm specifications with your rep before ordering.
