MOTHERBOARDS · YOUR NEXT FACE-OFF

ASUS PRIME B650-PLUS vs ASUS PRIME X670-P-CSM

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

ASUS PRIME B650-PLUS

UK manufacturer specification · PRIME B650-PLUS

Full product profile Official image

Exact model & source notes

PRIME B650-PLUS motherboard, identified in the ASUS UK catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.

Specifications checked 17 Oct 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

WHAT DIFFERS

ChipsetAMD B650 ChipsetAMD X670 Chipset

The first of 9 verified differences, in the order listed below. Not a rating.

See the 9 verified differences

THE CONTENDER

ASUS PRIME X670-P-CSM

UK manufacturer specification · PRIME X670-P-CSM

Full product profile Official image

Exact model & source notes

PRIME X670-P-CSM motherboard, identified in the ASUS UK catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.

Specifications checked 17 Oct 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

B650-PLUS UK & US retailers

UK & US price history: no verified listing yet

X670-P-CSM UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison

Manufacturer facts for the exact models shown. Not a quality rating or a test result.
“Different” means the known values differ, not that one is better.
Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.

SPECIFICATIONS SIDE BY SIDE7 topics

SELECTED TOPIC

01 / 07

Chipset

Different hardware. A chip name or generation does not quantify real-world performance.

ASUS PRIME B650-PLUSAMD B650 Chipset

Manufacturer specification

Source 1

ASUS PRIME X670-P-CSMAMD X670 Chipset

Manufacturer specification

Source 1

Explore the full specifications

Plan the complete platform. Check the exact CPU-support list, required BIOS and memory validation before buying. PCIe generations and lane allocations can change with the processor. A socket match or slot count is not a guarantee that every component works together at its highest advertised setting.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

9 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.

Chipset

In Visual facts

ASUS PRIME B650-PLUSAMD B650 Chipset

ASUS PRIME X670-P-CSMAMD X670 Chipset

Sources

ASUS PRIME B650-PLUS

Manufacturer specification

ASUS PRIME B650-PLUS — official UK technical specifications

ASUS PRIME X670-P-CSM

Manufacturer specification

ASUS PRIME X670-P-CSM — official UK technical specifications

Different hardware. A chip name or generation does not quantify real-world performance.

Memory type, slots and limit

In Visual facts

ASUS PRIME B650-PLUS4 x DIMM, Max. 192GB, DDR5 7600+(OC)/7200(OC)/7000(OC)/6800(OC)/6600(OC)/6400(OC)/6200(OC)/6000(OC)/5800(OC)/5600(OC)/5400(OC)/5200/5000/4800 ECC and Non-ECC, Un-buffered Memory* Dual Channel Memory Architecture Supports AMD Extended Profiles for Overclocking (EXPO™) OptiMem II * Supported memory types, data rate(Speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information refer to www.asus.com for memory support list. * Non-ECC, Un-buffered DDR5 Memory supports On-Die ECC function.

ASUS PRIME X670-P-CSM4 x DIMM, Max. 256GB, DDR5 7600+(OC)/ 7200(OC)/ 7000(OC)/ 6800(OC)/ 6600(OC)/ 6400(OC)/ 6200(OC)/ 6000(OC)/ 5800(OC)/ 5600(OC)/ 5400(OC)/ 5200/ 5000/ 4800, ECC and Non-ECC, Un-buffered Memory* Dual Channel Memory Architecture Supports AMD Extended Profiles for Overclocking (EXPO™) OptiMem II * Supported memory types, data rate(Speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information refer to www.asus.com for memory support list. * Non-ECC, Un-buffered DDR5 Memory supports On-Die ECC function.

Sources

ASUS PRIME B650-PLUS

Manufacturer specification

ASUS PRIME B650-PLUS — official UK technical specifications

ASUS PRIME X670-P-CSM

Manufacturer specification

ASUS PRIME X670-P-CSM — official UK technical specifications

Check the exact configuration and source conditions for your use.

Storage interfaces and restrictions

In Visual facts

ASUS PRIME B650-PLUSTotal supports 2 x M.2 slots and 4 x SATA 6Gb/s ports* AMD Ryzen™ 9000 & 7000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 5.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode) AMD Ryzen™ 8000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4/x2 mode)** AMD B650 Chipset 4 x SATA 6Gb/s ports * AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10. ** Specifications vary by CPU types.

ASUS PRIME X670-P-CSMTotal supports 3 x M.2 slots and 6 x SATA 6Gb/s ports* AMD Ryzen™ 9000 & 7000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode) AMD Ryzen™ 8000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4/x2 mode)** AMD X670 Chipset M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) 6 x SATA 6Gb/s ports*** * AMD RAIDXpert2 Technology supports both NVMe RAID 0/1/10 and SATA RAID 0/1/10. ** Specifications vary by CPU types. *** The PCIe 3.0 x1 slot shares bandwidth with the SATA6G_3/4 ports. When a device is installed on the PCIe 3.0 x1 slot, the SATA6G_3/4 ports cannot be used.

Sources

ASUS PRIME B650-PLUS

Manufacturer specification

ASUS PRIME B650-PLUS — official UK technical specifications

ASUS PRIME X670-P-CSM

Manufacturer specification

ASUS PRIME X670-P-CSM — official UK technical specifications

Check the exact configuration and source conditions for your use.

Network interfaces and requirements

In Visual facts

ASUS PRIME B650-PLUS1 x Realtek 2.5Gb Ethernet; Vertical M.2 slot only (Key E, PCIe)* * Wi-Fi module is sold separately.

ASUS PRIME X670-P-CSM1 x Realtek 2.5Gb Ethernet; V-M.2 slot only (Key E, PCIe)* * Wi-Fi module is sold separately.

Sources

ASUS PRIME B650-PLUS

Manufacturer specification

ASUS PRIME B650-PLUS — official UK technical specifications

ASUS PRIME X670-P-CSM

Manufacturer specification

ASUS PRIME X670-P-CSM — official UK technical specifications

Check the exact configuration and source conditions for your use.

Audio interfaces

In Visual facts

ASUS PRIME B650-PLUSRealtek 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 Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers

ASUS PRIME X670-P-CSMRealtek 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 Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.

Sources

ASUS PRIME B650-PLUS

Manufacturer specification

ASUS PRIME B650-PLUS — official UK technical specifications

ASUS PRIME X670-P-CSM

Manufacturer specification

ASUS PRIME X670-P-CSM — official UK technical specifications

Check the exact configuration and source conditions for your use.

Expansion slots and restrictions

In Visual facts

ASUS PRIME B650-PLUSAMD Ryzen™ 9000 & 7000 Series Desktop Processors* 1 x PCIe 4.0 x16 slot (supports x16 mode) AMD Ryzen™ 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)** AMD B650 Chipset 1 x PCIe 4.0 x16 slot (supports x4 mode) 2 x PCIe 4.0 x1 slots * Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/). ** Specifications vary by CPU types.

ASUS PRIME X670-P-CSMAMD Ryzen™ 9000 & 7000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x16 mode) AMD Ryzen™ 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)** AMD X670 Chipset 2 x PCIe 4.0 x16 slots (support x4 mode) 1 x PCIe 3.0 x1 slot*** * Please check the PCIe bifurcation table at https://www.asus.com/support/FAQ/1037507/. ** Specifications vary by CPU types. *** The PCIe 3.0 x1 slot shares bandwidth with the SATA6G_3/4 ports. When a device is installed on the PCIe 3.0 x1 slot, the SATA6G_3/4 ports cannot be used.

Sources

ASUS PRIME B650-PLUS

Manufacturer specification

ASUS PRIME B650-PLUS — official UK technical specifications

ASUS PRIME X670-P-CSM

Manufacturer specification

ASUS PRIME X670-P-CSM — official UK technical specifications

Check the exact configuration and source conditions for your use.

Show 3 more verified differences

Internal headers and connectors

In Visual facts

ASUS PRIME B650-PLUSFan and Cooling related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 1 x 4-pin AIO Pump header 3 x 4-pin Chassis Fan headers Power related 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector Storage related 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 1 connector (supports USB Type-C® ) 1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports Miscellaneous 3 x Addressable Gen 2 headers 1 x Aura RGB header 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x SPI TPM header (14-1pin) 1 x 20-3 pin System Panel header with Chassis intrude function 1 x Thunderbolt™ (USB4®) header

ASUS PRIME X670-P-CSMFan and Cooling related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 1 x 4-pin AIO Pump header 3 x 4-pin Chassis Fan headers Power related 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector 1 x 4-pin +12V Power connector Storage related 3 x M.2 slots (Key M) 6 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 1 connector (supports USB Type-C®) 2 x USB 3.2 Gen 1 headers support additional 4 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports Miscellaneous 3 x Addressable Gen 2 headers 2 x Aura RGB headers 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x S/PDIF Out header 1 x SPI TPM header (14-1pin) 1 x 20-5 pin System Panel header 1 x Thunderbolt™ (USB4®) header

Sources

ASUS PRIME B650-PLUS

Manufacturer specification

ASUS PRIME B650-PLUS — official UK technical specifications

ASUS PRIME X670-P-CSM

Manufacturer specification

ASUS PRIME X670-P-CSM — official UK technical specifications

Check the exact configuration and source conditions for your use.

Rear-panel ports

ASUS PRIME B650-PLUS4 x USB 3.2 Gen 2 ports (3 x Type-A + 1 x USB Type-C®) 2 x USB 3.2 Gen 1 ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x DisplayPort 1 x HDMI® port 1 x Vertical M.2 slot (Key E) 1 x Realtek 2.5Gb Ethernet port 5 x Audio jacks 1 x Optical S/PDIF out port 1 x BIOS FlashBack™ button

ASUS PRIME X670-P-CSM1 x USB 3.2 Gen 2x2 port (1 x USB Type-C®) 3 x USB 3.2 Gen 2 ports (3 x Type-A) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x DisplayPort 1 x HDMI® port 1 x V-M.2 slot (Key E) 1 x Realtek 2.5Gb Ethernet port 3 x Audio jacks 1 x BIOS FlashBack™ button 1 x PS/2 Keyboard/Mouse combo port

Sources

ASUS PRIME B650-PLUS

Manufacturer specification

ASUS PRIME B650-PLUS — official UK technical specifications

ASUS PRIME X670-P-CSM

Manufacturer specification

ASUS PRIME X670-P-CSM — official UK technical specifications

Check the exact configuration and source conditions for your use.

USB ports and headers

ASUS PRIME B650-PLUSRear USB (Total 8 ports) 4 x USB 3.2 Gen 2 ports (3 x Type-A + 1 x USB Type-C®) 2 x USB 3.2 Gen 1 ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 7 ports) 1 x USB 3.2 Gen 1 connector (supports USB Type-C®) 1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports

ASUS PRIME X670-P-CSMRear USB (Total 10 ports) 1 x USB 3.2 Gen 2x2 port (1 x USB Type-C®) 3 x USB 3.2 Gen 2 ports (3 x Type-A) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 9 ports) 1 x USB 3.2 Gen 1 connector (supports USB Type-C®) 2 x USB 3.2 Gen 1 headers support additional 4 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports * USB Type-C® power delivery output: max. 5V/3A

Sources

ASUS PRIME B650-PLUS

Manufacturer specification

ASUS PRIME B650-PLUS — official UK technical specifications

ASUS PRIME X670-P-CSM

Manufacturer specification

ASUS PRIME X670-P-CSM — official UK technical specifications

Check the exact configuration and source conditions for your use.

4 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

ASUS PRIME B650-PLUS

What it brings

Published motherboard interfaces and configuration are available from the exact-model ASUS specification source.
Manufacturer source

What to check

Compatibility and maximum operating modes depend on the source’s stated hardware, firmware and connection requirements; manufacturer figures are not independent measurements.
Manufacturer source

ASUS PRIME X670-P-CSM

What it brings

Published motherboard interfaces and configuration are available from the exact-model ASUS specification source.
Manufacturer source

What to check

Compatibility and maximum operating modes depend on the source’s stated hardware, firmware and connection requirements; manufacturer figures are not independent measurements.
Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

13 of 13 specifications Sources in each row

Source-backed specifications for ASUS PRIME B650-PLUS and ASUS PRIME X670-P-CSM
Specification	ASUS PRIME B650-PLUS	ASUS PRIME X670-P-CSM

CPU socket Sources ASUS PRIME B650-PLUS Manufacturer specification ASUS PRIME B650-PLUS — official UK technical specifications ASUS PRIME X670-P-CSM Manufacturer specification ASUS PRIME X670-P-CSM — official UK technical specifications	AM5	AM5
ChipsetDifferent Sources ASUS PRIME B650-PLUS Manufacturer specification ASUS PRIME B650-PLUS — official UK technical specifications ASUS PRIME X670-P-CSM Manufacturer specification ASUS PRIME X670-P-CSM — official UK technical specifications	AMD B650 Chipset	AMD X670 Chipset
Form factor and dimensions Sources ASUS PRIME B650-PLUS Manufacturer specification ASUS PRIME B650-PLUS — official UK technical specifications ASUS PRIME X670-P-CSM Manufacturer specification ASUS PRIME X670-P-CSM — official UK technical specifications	ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )	ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )
CPU support and BIOS requirements Sources ASUS PRIME B650-PLUS Manufacturer specification · Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor. ASUS PRIME B650-PLUS — official UK technical specifications ASUS PRIME X670-P-CSM Manufacturer specification · Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor. ASUS PRIME X670-P-CSM — official UK technical specifications	*AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors Supports up to AMD 170W CPU * Refer to www.asus.com for CPU support list. BIOS: 256 Mb Flash ROM, UEFI AMI BIOS**	*AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors Supports up to AMD 170W CPU * Refer to www.asus.com for CPU support list. BIOS: 256 Mb Flash ROM, UEFI AMI BIOS**
Listed operating systems Sources ASUS PRIME B650-PLUS Manufacturer specification ASUS PRIME B650-PLUS — official UK technical specifications ASUS PRIME X670-P-CSM Manufacturer specification ASUS PRIME X670-P-CSM — official UK technical specifications	Windows® 11, Windows® 10 64-bit	Windows® 11, Windows® 10 64-bit

Memory type, slots and limitDifferent Sources ASUS PRIME B650-PLUS Manufacturer specification ASUS PRIME B650-PLUS — official UK technical specifications ASUS PRIME X670-P-CSM Manufacturer specification ASUS PRIME X670-P-CSM — official UK technical specifications	4 x DIMM, Max. 192GB, DDR5 7600+(OC)/7200(OC)/7000(OC)/6800(OC)/6600(OC)/6400(OC)/6200(OC)/6000(OC)/5800(OC)/5600(OC)/5400(OC)/5200/5000/4800 ECC and Non-ECC, Un-buffered Memory* Dual Channel Memory Architecture Supports AMD Extended Profiles for Overclocking (EXPO™) OptiMem II * Supported memory types, data rate(Speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information refer to www.asus.com for memory support list. * Non-ECC, Un-buffered DDR5 Memory supports On-Die ECC function.	4 x DIMM, Max. 256GB, DDR5 7600+(OC)/ 7200(OC)/ 7000(OC)/ 6800(OC)/ 6600(OC)/ 6400(OC)/ 6200(OC)/ 6000(OC)/ 5800(OC)/ 5600(OC)/ 5400(OC)/ 5200/ 5000/ 4800, ECC and Non-ECC, Un-buffered Memory* Dual Channel Memory Architecture Supports AMD Extended Profiles for Overclocking (EXPO™) OptiMem II * Supported memory types, data rate(Speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information refer to www.asus.com for memory support list. * Non-ECC, Un-buffered DDR5 Memory supports On-Die ECC function.

Storage interfaces and restrictionsDifferent Sources ASUS PRIME B650-PLUS Manufacturer specification ASUS PRIME B650-PLUS — official UK technical specifications ASUS PRIME X670-P-CSM Manufacturer specification ASUS PRIME X670-P-CSM — official UK technical specifications	Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports* AMD Ryzen™ 9000 & 7000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 5.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode) AMD Ryzen™ 8000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4/x2 mode)** AMD B650 Chipset 4 x SATA 6Gb/s ports * AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10. ** Specifications vary by CPU types.	Total supports 3 x M.2 slots and 6 x SATA 6Gb/s ports* AMD Ryzen™ 9000 & 7000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode) AMD Ryzen™ 8000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4/x2 mode) AMD X670 Chipset M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) 6 x SATA 6Gb/s ports* * AMD RAIDXpert2 Technology supports both NVMe RAID 0/1/10 and SATA RAID 0/1/10. Specifications vary by CPU types. * The PCIe 3.0 x1 slot shares bandwidth with the SATA6G_3/4 ports. When a device is installed on the PCIe 3.0 x1 slot, the SATA6G_3/4 ports cannot be used.

Expansion slots and restrictionsDifferent Sources ASUS PRIME B650-PLUS Manufacturer specification ASUS PRIME B650-PLUS — official UK technical specifications ASUS PRIME X670-P-CSM Manufacturer specification ASUS PRIME X670-P-CSM — official UK technical specifications	AMD Ryzen™ 9000 & 7000 Series Desktop Processors* 1 x PCIe 4.0 x16 slot (supports x16 mode) AMD Ryzen™ 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)** AMD B650 Chipset 1 x PCIe 4.0 x16 slot (supports x4 mode) 2 x PCIe 4.0 x1 slots * Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/). ** Specifications vary by CPU types.	AMD Ryzen™ 9000 & 7000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x16 mode) AMD Ryzen™ 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode) AMD X670 Chipset 2 x PCIe 4.0 x16 slots (support x4 mode) 1 x PCIe 3.0 x1 slot* * Please check the PCIe bifurcation table at https://www.asus.com/support/FAQ/1037507/. Specifications vary by CPU types. * The PCIe 3.0 x1 slot shares bandwidth with the SATA6G_3/4 ports. When a device is installed on the PCIe 3.0 x1 slot, the SATA6G_3/4 ports cannot be used.

USB ports and headersDifferent Sources ASUS PRIME B650-PLUS Manufacturer specification ASUS PRIME B650-PLUS — official UK technical specifications ASUS PRIME X670-P-CSM Manufacturer specification ASUS PRIME X670-P-CSM — official UK technical specifications	Rear USB (Total 8 ports) 4 x USB 3.2 Gen 2 ports (3 x Type-A + 1 x USB Type-C®) 2 x USB 3.2 Gen 1 ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 7 ports) 1 x USB 3.2 Gen 1 connector (supports USB Type-C®) 1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports	Rear USB (Total 10 ports) 1 x USB 3.2 Gen 2x2 port (1 x USB Type-C®) 3 x USB 3.2 Gen 2 ports (3 x Type-A) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 9 ports) 1 x USB 3.2 Gen 1 connector (supports USB Type-C®) 2 x USB 3.2 Gen 1 headers support additional 4 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports * USB Type-C® power delivery output: max. 5V/3A
Rear-panel portsDifferent Sources ASUS PRIME B650-PLUS Manufacturer specification ASUS PRIME B650-PLUS — official UK technical specifications ASUS PRIME X670-P-CSM Manufacturer specification ASUS PRIME X670-P-CSM — official UK technical specifications	4 x USB 3.2 Gen 2 ports (3 x Type-A + 1 x USB Type-C®) 2 x USB 3.2 Gen 1 ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x DisplayPort 1 x HDMI® port 1 x Vertical M.2 slot (Key E) 1 x Realtek 2.5Gb Ethernet port 5 x Audio jacks 1 x Optical S/PDIF out port 1 x BIOS FlashBack™ button	1 x USB 3.2 Gen 2x2 port (1 x USB Type-C®) 3 x USB 3.2 Gen 2 ports (3 x Type-A) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x DisplayPort 1 x HDMI® port 1 x V-M.2 slot (Key E) 1 x Realtek 2.5Gb Ethernet port 3 x Audio jacks 1 x BIOS FlashBack™ button 1 x PS/2 Keyboard/Mouse combo port
Audio interfacesDifferent Sources ASUS PRIME B650-PLUS Manufacturer specification ASUS PRIME B650-PLUS — official UK technical specifications ASUS PRIME X670-P-CSM Manufacturer specification ASUS PRIME X670-P-CSM — official UK technical specifications	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 Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers	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 Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.

Network interfaces and requirementsDifferent Sources ASUS PRIME B650-PLUS Manufacturer specification ASUS PRIME B650-PLUS — official UK technical specifications ASUS PRIME X670-P-CSM Manufacturer specification ASUS PRIME X670-P-CSM — official UK technical specifications	*1 x Realtek 2.5Gb Ethernet; Vertical M.2 slot only (Key E, PCIe) * Wi-Fi module is sold separately.**	*1 x Realtek 2.5Gb Ethernet; V-M.2 slot only (Key E, PCIe) * Wi-Fi module is sold separately.**

Internal headers and connectorsDifferent Sources ASUS PRIME B650-PLUS Manufacturer specification ASUS PRIME B650-PLUS — official UK technical specifications ASUS PRIME X670-P-CSM Manufacturer specification ASUS PRIME X670-P-CSM — official UK technical specifications	Fan and Cooling related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 1 x 4-pin AIO Pump header 3 x 4-pin Chassis Fan headers Power related 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector Storage related 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 1 connector (supports USB Type-C® ) 1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports Miscellaneous 3 x Addressable Gen 2 headers 1 x Aura RGB header 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x SPI TPM header (14-1pin) 1 x 20-3 pin System Panel header with Chassis intrude function 1 x Thunderbolt™ (USB4®) header	Fan and Cooling related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 1 x 4-pin AIO Pump header 3 x 4-pin Chassis Fan headers Power related 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector 1 x 4-pin +12V Power connector Storage related 3 x M.2 slots (Key M) 6 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 1 connector (supports USB Type-C®) 2 x USB 3.2 Gen 1 headers support additional 4 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports Miscellaneous 3 x Addressable Gen 2 headers 2 x Aura RGB headers 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x S/PDIF Out header 1 x SPI TPM header (14-1pin) 1 x 20-5 pin System Panel header 1 x Thunderbolt™ (USB4®) header

First product manufacturer source Second product manufacturer source

FIND YOUR CONTENDERS

More products

Closest motherboards to this pair by shared key specifications. Not a popularity ranking.

See all 617 motherboards

ASUS PRIME B650-PLUS-CSM

CPU socket: AM5
Chipset: AMD B650 Chipset
Form factor and dimensions: ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

Prices & product profile

ASUS PRIME X670-P

CPU socket: AM5
Chipset: AMD X670 Chipset
Form factor and dimensions: ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

Prices & product profile

ASUS PRIME X670-P WIFI

CPU socket: AM5
Chipset: AMD X670 Chipset
Form factor and dimensions: ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

Prices & product profile

ASUS PRIME B650-PLUS WIFI-CSM

CPU socket: AM5
Chipset: AMD B650 Chipset
Form factor and dimensions: ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

Prices & product profile

Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.