PRIME X870-P-CSM motherboard front view, floating in space.
Prime


X870-P-CSM

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.


Advanced AI PC ready logo
AMD X870 platform logo

14(80A) + 2(80A) + 1(80A)

power stages with enlarged VRM heatsinks

DDR5 logo

AEMP

for enhanced DDR5 performance

Al Cooling II logo


Al Cooling II

for dynamic fan optimization

USB 40Gbps Type-C icon


USB 40Gbps Type-C

for the latest super-speed devices and drives

PCIe 5.0 slots icon


PCIe 5.0 slots

for graphics card and storage

USB 10Gbps Type-C icon


USB 10Gbps Type-C

for rapid data transmission

EZ PC DIY icon


EZ PC DIY

for easier build customization

Pre-mounted I/O Shield logo


Pre-mounted I/O Shield

for safeguarding ports and enhancing aesthetics

Aura Sync icon


Aura Sync

for full RGB lighting control

AM5 Socket for AMD Ryzen Desktop processors

1 x PCIe 5.0 x16 (supports x16 mode) SafeSlot with Q-Release

2 x PCIe 4.0 x16 (support x1 mode)


14(80A) + 2(80A) + 1(80A) Power stages

4 x DIMM slots

DDR5 support

Dual channel

AEMP

M.2_1 2280 (PCIe 5.0 x4 mode)

M.2_2 2242/2260/2280 (PCIe 4.0 x4 mode)

M.2_4 2280 (PCIe 3.0 x2 mode)

M.2_3 2280 (PCIe 4.0 x4 mode)

ASUS Corporate Stable Model

ASUS Corporate Stable Model (CSM) is a commercial 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.

 Lifecycle support, program offering and supply status may vary by region. Please consult your local sales representative for more information.


ASUS Corporate Stable logo with text stating 'Up to 36-month Stable Supply' in a circular design on a blue background.

ASUS Control Center Express

ASUS 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 management

Designed to assist IT staff in monitoring and controlling devices within their corporate networks, and facilitate inventory checking in multiple locations remotely.


White network icon with connected nodes on a blue background, below the text 'Optimize IT endpoint management,' describing the benefits for IT staff monitoring and controlling devices remotely.


Automate IT maintenance

Allows 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 flexibility.


White shield icon with a checkmark inside on a blue circular background



Securely manage all of endpoints

Securely manage endpoint configuration, portable storage access and PC software applications by enabling them to create grouping rules on individual devices.


White calendar icon with a green highlighted date on a blue circular background

Performance


AI Solutions

ASUS AI Solutions include AI Cache Boost to supercharge large language model (LLM) workflows, ASUS AI Advisor as your technical expert with expertise in PC performance, AI Cooling II for automated temperature control.


AI Cache Boost

Supercharge your large language model (LLM) workflows with AI Cache Boost. Exclusive to ASUS AMD 800 and 600 series motherboards that use Ryzen 9000 Series CPUs, this BIOS setting optimizes CPU cache and memory pathways to deliver up to 29% faster local LLM performance with high-speed memory tuning.



ASUS AI Solutions webpage section highlighting AI Cache Boost. Shows comparison of AI Cache Boost On versus Off, with up to 29% faster local LLM performance using optimized DRAM and FCLK tuning. Blue background with product performance description and a 'Learn More' button.


ASUS AI Advisor

ASUS AI Advisor allows users to explore the functionality and advanced features of ASUS motherboards in a simple and straightforward way.

Availability of ASUS AI Advisor may vary by region.

UI showing that ASUS AI Advisor can be set up in one click.


AI Cooling II

Optimized thermals and reduced noise via dynamic adjustment of fan speeds, based on CPU temperatures.

UI showing that AI Cooling II can be set up in one click.

Performance


Robust power design

Stable power is crucial for maximizing the performance of AMD processors. The PRIME X870-P-CSM is designed to meet the needs of high-core-count CPUs. It features 14(80A) + 2(80A) + 1(80A) power stages that integrate high-side and low-side MOSFETs and drivers into packages rated for up to 80 amperes each. This configuration ensures optimal power delivery, efficiency, stability and performance for both current and future AMD processors.
14

Vcore power

(80A, DrMOS)​
 
2

SOC power

(80A, DrMOS)
 
1​

Misc power

(80A, DrMOS)


Angled top-down view of PRIME X870-P-CSM motherboard.




Enhanced Memory & Storage Performance

Enhanced DDR5 performance

Comprehensive memory tuning options are the cornerstone of PRIME motherboards. The PRIME X870-P-CSM maximizes the potential of your DDR5 modules, from entry-level to extreme-speed kits.

For entry-level modules without EXPO support, ASUS Enhanced Memory Profile (AEMP) automatically detects memory chips and provides optimized profiles for enhanced performance.

For those looking to surpass stock DDR5 speeds, the PRIME X870-P-CSM offers extensive AMD Extended Profiles for Overclocking (EXPO) support and a wide array of UEFI settings for further performance tweaks.


Graphic depicting RAM speeds.


Four M.2 slots (up to 128 Gbps)

PRIME X870-P-CSM offers a total of four M.2 slots, including one that supports data-transfer speeds of up to 128 Gbps via PCIe 5.0, two that support 64 Gbps via PCIe 4.0, and one that supports PCIe 3.0. This enables quicker boot-up and app load times with OS or application drives.



Graphic depicting different M.2 slots on a motherboard.

Cooling

Cooler by design

The PRIME X870-P-CSM motherboard is engineered with multiple onboard heatsinks and an array of hybrid fan headers to help ensure your rig stays cool and stable under intense workloads.


PRIME X870-P-CSM front view.

Smart Cooling precision

ASUS Fan Xpert 4

ASUS Fan Xpert 4 software offers comprehensive control over fans and AIO coolers. Auto-Tuning mode configures settings with one click, while Extreme Quiet mode reduces fan speeds for silent operation during light tasks. Controls are also available via the UEFI BIOS.


UI for Fan Xpert 4 cooling controls.


Cooler compatibility

ASUS AIO coolers offer robust performance, high overclocking potential, bold aesthetics and customizable functionality for new motherboards, empowering you to build your dream gaming rig.


A Prime motherboard and AIO cooler on a table.

Flexibility

Empowering connections

The PRIME X870-P-CSM motherboard offers a versatile range of connectivity, including support for PCIe 5.0, Realtek 2.5Gb Ethernet, and an array of USB ports.


Realtek 2.5Gb Ethernet logo


2.5Gb Ethernet

PCIe 5.0 logo


PCIe 5.0

USB 40Gbps logo


USB 40Gbps

PCIe 5.0 slot logo


PCIe 5.0 slot

USB 10Gbps logo


USB 10Gbps

USB 40Gbps Type-C ports

Each port delivers up to 40Gbps of bi-directional bandwidth for the latest super-speed devices and drives. Both ports can be employed for up to two external 4K displays.
20
Gbps
40
Gbps
USB 20Gbps

USB 40Gbps


PCIe 5.0 slot

The latest processors introduce PCIe 5.0 support, doubling data transfer speeds compared to PCIe 4.0, enhancing signal integrity, and providing backward-compatible CEM connectors and support for previous PCIe versions.

PCIe 5.0 x16

512 Gbps

PCIe 4.0 x16

256 Gbps

PCIe 3.0 x16

128 Gbps

Customization


Personalization

The PRIME X870-P-CSM enhances the user experience across the board, from simplifying BIOS setting adjustments to offering customizable RGB lighting controls for a uniquely personal system aesthetic.

UEFI BIOS

The UEFI interface delivers easy-to-use configuration options for PC beginners, and advanced features for veterans.




ASUS DriverHub

Simplify driver management with automatic detection, one-click installation and update for smooth, efficient system performance.


Armoury Crate

Customize Aura Sync RGB and control ASUS devices. Includes product registration and updates.



Aura Sync

Complete RGB lighting control for enthusiast systems, ensuring seamless synchronization with compatible hardware.




Addressable Gen 2 RGB headers

Three addressable Gen 2 headers detect LED counts on compatible RGB devices, automatically adjusting lighting effects accordingly.


Customization


DIY friendly

The PRIME X870-P-CSM motherboard features EZ PC DIY innovations that simplify and speed up the PC building process, making DIY easy and convenient.


PCIe Slot Q-Release

A physical lever unlocks the first PCIe slot’s security latch with one tap, greatly simplifying the process of detaching a PCIe card from the motherboard when it’s time to upgrade to a new graphics card or other compatible device.


Graphic depicting PCIe Slot Q-Release.


Pre-Mounted I/O Shield

Our pre-installed I/O shield safeguards ports, simplifies the build process, increases functionality and enhances aesthetics for PC DIY enthusiasts.




BIOS FlashBack

BIOS FlashBack simplifies BIOS updates. Just load the BIOS file onto a FAT32 USB stick, insert it into the BIOS FlashBack port, and press a button—no CPU or memory needed.



SafeSlot

PCIe 5.0 is twice as fast as PCIe 4.0. ASUS has adapted our SMT manufacturing for the faster SafeSlot, a reinforced metal sheath that ensures secure card installation and faster data speeds.


AMD Ryzen 9000 Series CPU