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ASUS · LGA 1851 · Q870M

ASUS PRO Q870M-C-CSM

Micro-ATX · DDR5 · 4 DIMMs · 6-phase VRM

Quality
38
VRM
17
Value
38
Amazon
$190
ASUS PRO Q870M-C-CSM
View ASUS PRO Q870M-C-CSM Gallery in high resolution
$190
Available Updated 2 days, 6 hours ago
Overall38.4
VRM17.0
Chipset10.0
Expansion / storage80.0
Connectivity45.0
Audio40.0
Quality / price38.4
$190 on Amazon Motherboard table Compare this motherboard

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Written analysis

ASUS PRO Q870M-C-CSM at a glance

The ASUS PRO Q870M-C-CSM uses the Micro-ATX form factor, LGA 1851 socket, and Q870M chipset. This is an entry-level platform focused on the essential connections for a practical, lower-cost build.

Memory support is DDR5 across 4 DIMM slots, with up to 256 GB and rated overclocked speeds up to 6400 MT/s. XMP / EXPO memory-profile support is recorded for easier tuning.

Best fit: a budget or straightforward office build using a lower-power CPU and a small number of add-in devices.

Power delivery

The calculated VRM score is 17.0, placing the power delivery in the basic class. The board lists 6 CPU power phases, 55 A power stages in a 6+1+1+1 layout. CPU power input is listed as 1. Keep it paired with lower-power processors and avoid sustained overclocked loads.

Expansion and storage

The expansion and storage score is 80.0: well equipped . The platform supports PCIe 5.0. Physical expansion includes 2 ×16 slots, and 1 ×1.

On-board storage consists of 2 M.2 slots and 4 SATA ports. Supported M.2 lengths are listed as 2242, 2260, 2280. The two-slot layout covers a typical OS-and-games or OS-and-project-drive setup.

Connectivity and rear I/O

The connectivity score is 45.0, rated essential. There is no recorded onboard Wi-Fi ; wired networking is 1 x Intel® I219LM 1Gb Ethernet at up to 1000 Mbps. The recorded USB provision is 6 rear connections and 1 front-panel connections. The specification sheet below separates every USB speed and connector type.

Display connectivity includes HDMI 2.1, DisplayPort 1.4. These motherboard outputs require a processor with integrated graphics.

Audio

The audio score is 40.0. This is a standard onboard solution using Realtek 7.1 Surround Sound High Definition Audio CODEC. It covers normal gaming and communication; demanding headphones or production work still benefit from an external interface. The rear panel has 3 analogue jacks.

Buying verdict

Overall quality is 38.40, a basic but usable result for office, media, and budget gaming systems.

At the recorded Amazon price, the quality-to-price score is 38.4. The nearby-board comparison below may reveal a better-equipped option at a similar price.

Board data

Full specifications

Platform, expansion, storage, rear I/O, internal headers, networking, audio, and board controls in one sheet.

General

Manufacturer
ASUS
Motherboard
ASUS PRO Q870M-C-CSM
Chipset / socket
Q870M / LGA 1851
Form factor
Micro-ATX
Launch price
—
Amazon price
$190
Availability
In stock
Price updated
2 days, 6 hours ago

VRM

CPU phases
6 (55 A)
Power design
6+1+1+1
EPS connector
1

Memory

Type / slots
DDR5 / 4 DIMMs
Max capacity / OC
256 GB / 6400 MT/s
XMP / EXPO
Yes

PCIe

Supported version
PCIe 5.0
x16 physical
2
x16 Gen 5
1
x16 Gen 4
1
x1 physical
1
x1 Gen 4
1

Storage

M.2 slots
2
M.2 lengths
2242, 2260, 2280
SATA ports
4

Display outputs

HDMI
Yes · 2.1 · 4K@60Hz
DisplayPort
Yes · 1.4 · 4K@60Hz
USB-C DisplayPort
No

USB

Rear USB 2.0
2
Rear USB 3.2 Gen 1 Type-A 5 Gbps
1
Rear USB 3.2 Gen 2 Type-A 10 Gbps
2
Rear USB 3.2 Gen 2 Type-C 10 Gbps
1
Front USB 3.2 Gen 2 Type-C 10 Gbps
1
Header USB 2.0
4
Header USB 3.2 Gen 1 Type-A 5 Gbps
2

Networking

Ethernet
1 x Intel® I219LM 1Gb Ethernet
LAN ports
2
LAN speed
1000 Mbps
Wi-Fi
Not included
Bluetooth
No

Audio

Chipset
Realtek 7.1 Surround Sound High Definition Audio CODEC
Analog jacks
3
Gold-plated jacks
No
Optical S/PDIF
No
Spatial audio
No

Additional information

Memory notes
Supports Un-buffered and Clocked Unbuffered DIMM (CUDIMM) modules. Features DIMM Fit.
Display notes
Graphics specifications may vary between CPU types.
Expansion notes
The PCIe 4.0 x16 slot supports x4 mode.
M.2_1
5.0 4 · 2242, 2260, 2280 · CPU
M.2_2
4.0 4 · 2242, 2260, 2280 · Chipset
RAID
SATA / PCIe (NVMe RAID 0/1/5, SATA RAID 0/1/5/10)
Audio notes
Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking. Supports up to 24-Bit/192 kHz playback.
Networking notes
M.2 slot (Key E, 2230, CNVi & PCIe) available for a Wi-Fi module, which is sold separately.
Button notes
The motherboard includes a Clear CMOS header, but not a dedicated button.
Fan / RGB headers
1 CPU · — OPT · — AIO · 2 chassis · — ARGB · — RGB
Other headers
Front audio · System panel
Dimensions
24.4cm x 24.4cm

Extracted notes sit here. Official manufacturer copy is at the bottom of the page.

Amazon

Price history

Nearby quality

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Discussion

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Vendor copy

Official manufacturer data

Raw manufacturer text kept for reference. Structured specs above are extracted from this copy and are the source for scores and tables.

Memory

4 x DIMM slots, max. 256GB, DDR5
Supports up to 6400 MT/s , Non-ECC,Un-buffered ,Clocked Unbuffered DIMM (CUDIMM)*"
Dual channel memory architecture
DIMM Fit
Supports Intel® Extreme Memory Profile (XMP) memory module

Graphics

2 x DisplayPort**
1 x HDMI™ port***  
* Graphics specifications may vary between CPU types. Please refer to www.intel.com for any updates.
** Supports max. 4K@60Hz as specified in DisplayPort 1.4.
*** Supports 4K@60Hz as specified in HDMI 2.1.

Expansion slots

Intel® Core™ Ultra Processors(series 2)*
1 x PCIe 5.0 x16 slot
Intel® Q870 Chipset**
1 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 ports*
Intel® Core™ Ultra Processors(series 2) *
M.2_1 slot (Key M), type 2242/2260/2280  (supports PCIe 5.0 x4 mode)
Intel® Q870 Chipset
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 modes)
4 x SATA 6Gb/s ports
* Intel® Rapid Storage Technology supports NVMe RAID 0/1/5, SATA RAID 0/1/5/10.

USB

Rear USB (Total 6 ports)
1 x USB 10Gbps port (1 x USB Type-C®)
2 x USB 10Gbps ports (2 x Type-A )
1 x USB 5Gbps port (1 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
Front USB (Total 7 ports)
1 x USB 10Gbps connector (supports USB Type-C® )
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports

Internal I/O

Fan and Cooling Related
1 x 4-pin CPU Fan header
2 x 4-pin Chassis Fan headers
Power Related
1 x 24-pin Main Power connector
1 x 8-pin +12V CPU Power connector
Storage Related
2 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
USB
1 x USB 10Gbps connector (supports USB Type-C® )
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Miscellaneous
1 x Clear CMOS header
1 x Chassis Intrude header
2 x COM Port headers
1 x Front Panel Audio header (AAFP)
1 x COM debug header
1 x DIS ME CPU
1 x DIS ME PCH
1 x LPT header
1 x Mono-Out Audio header (with Amp IC)
1 x M.2 slot (Key E)
1 x Speaker header
1 x 10-1 pin Front Panel System header

Rear I/O

1 x USB 10Gbps port (1 x USB Type-C®)
2 x USB 10Gbps ports (2 x Type-A)
1 x USB 5Gbps port (1 x Type-A)
2 x USB 2.0 ports (2 x Type-A )
2 x DisplayPort
1 x HDMI™ port
1 x PS/2 keyboard (purple) port
1 x PS/2 mouse (green) port
1 x Intel® 1Gb Ethernet
3 x Audio jacks

Wireless

M.2 slot only 2230 (Key E, CNVi & PCIe)*
*Wi-Fi module is sold separately.

Audio

Realtek 7.1 Surround Sound High Definition Audio CODEC*
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback

Special features

ASUS EZ DIY
- Box Headers
Bespoke Motherboard Design & Business Focused Features
- Q-LED Core
- ASUS Self Recovering BIOS
- ASUS Event Log
- ASUS MyHotkey
- ASUS DriverHub
- BIOS EZ Deploy
- ASUS Commercial BIOS kit
- Anti-Moisture coating
- 24/7 Reliability
- Overcurrent Protection
TXT support
TPM IC onboard

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