How much memory can this Mini ITX motherboard support, and how many memory slots does it have?

It has 2 memory slots and supports up to 128GB of DDR5 memory.

What processor socket and CPU family does this motherboard support?

It uses an LGA-1851 CPU socket and supports Intel Core Ultra Processors (Series 2).

$219^.99

Free 30-day Returns

Limit 99999 per customer.

Add to PC build list

Sold by Newegg

Shipped by Newegg

Price alert

Add to Wish List

Best Sellers

antonline

Top Rated

4.5 (17,989 total ratings)

$233^.73
+ FREE SHIPPING

NothingButSavings

Top Rated

4.5 (9,016 total ratings)

$235^.70
+ FREE SHIPPING

BeachAudio

Top Rated

4.4 (8,586 total ratings)

$240^.73

Volume Discounts Available

Main image of Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Alt view image 2 of 15 - Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Alt view image 3 of 15 - Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Alt view image 4 of 15 - Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Alt view image 5 of 15 - Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Alt view image 6 of 15 - Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Alt view image 7 of 15 - Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Alt view image 8 of 15 - Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Alt view image 9 of 15 - Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Alt view image 10 of 15 - Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Alt view image 11 of 15 - Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Alt view image 12 of 15 - Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Alt view image 13 of 15 - Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Alt view image 14 of 15 - Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Alt view image 15 of 15 - Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Shop All ASUS Products

Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Be the first to review this product...

HDMI 2.1
Pro Q870I-C-CSM Desktop Motherboard
2 x SATA 6Gb/s cables
1 x Screw package for M.2 SSD
1 x I/O Shield
1 x M.2 Key E screw package
1 x ACC Express Activation Key Card
1 x Quick start guide

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

Reviews

See all Q & A

Any questions? Our AI mode will help you find out quickly.

Try me now

Pro Q870I C CSM

Memory
Memory Standard	DDR5
Number of Memory Slots	2

Model
Brand	ASUS
Model	Pro Q870I-C-CSM

Supported CPU
CPU Socket Type	LGA-1851

Chipsets
Chipset	Intel Q870

Physical Spec
Form Factor	Mini ITX

Storage Devices
Serial ATA (SATA)	2

Rear Panel Ports
HDMI	Yes

Supported CPU
CPU Type	Intel Core Ultra Processors (Series 2)

Memory
Maximum Memory Supported	128GB

Model
Part Number	Pro Q870I-C-CSM

Rear Panel Ports
RJ45	1
DisplayPort	Yes
USB Type-C	Yes

Features
Features	Ready for Advanced AI PCs; Intel vPro Support with Enhanced Security, Reliability and Manageability; ASUS CSM Program with End-of-Life Notifications; ASUS Control Center Express IT Management Software; Boot Defender with NIST SP800-193 Compliance; Self-Recovering BIOS; TPM; Q-LED Core Diagnostic Display; COM Debug Header; PCIe 5.0

Packaging
Package Contents	Pro Q870I-C-CSM Desktop Motherboard, 2 x SATA 6Gb/s Cables, 1 x Screw Package for M.2 SSD, 1 x I/O Shield, 1 x M.2 Key E Screw Package, 1 x ACC Express Activation Key Card, 1 x Quick Start Guide

Chipsets
Type	Motherboard

Additional Information
First Listed on Newegg	September 04, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 3 years
Limited Warranty period (labor): 3 years
Read full details

Return Policies

Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by Newegg.com's 30-Day Return Policy.
Read full return policy for details.

Best Sellers

Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Learn more about the ASUS Pro Q870I-C-CSM

Customer Reviews of the ASUS Pro Q870I-C-CSM

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: 1JW-000C-01DW2

Best Sellers

Asus Pro Q870I-C-CSM Desktop Motherboard - Intel Q870 Chipset - Socket LGA-1851 - Mini ITX - Core Ultra Processor - 2x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 2x SATA - Pro Q870I-C-CSM

Learn more about the ASUS Pro Q870I-C-CSM

Customer Reviews of the ASUS Pro Q870I-C-CSM

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info