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ASUS Pro B550M-C/CSM vs ASUS TUF GAMING B550M-PLUS

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

Compared products

YOUR FIRST CHOICE

ASUS Pro B550M-C/CSM

Global manufacturer specification · Pro B550M-C/CSM

Full product profile Official image

Exact model & source notes

Pro B550M-C/CSM motherboard, identified in the ASUS Global 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

5 verified differences, led by Memory type, slots and limit, storage interfaces and restrictions and network interfaces and requirements. Compared in full below. Not a rating.

See the 5 verified differences

THE CONTENDER

ASUS TUF GAMING B550M-PLUS

Global manufacturer specification · TUF GAMING B550M-PLUS

Full product profile Official image

Exact model & source notes

TUF GAMING B550M-PLUS motherboard, identified in the ASUS Global 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

Pro B550M-C/CSM UK & US retailers

UK & US price history: no verified listing yet

TUF GAMING B550M-PLUS 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 SIDE5 topics

SELECTED TOPIC

01 / 05

Memory type, slots and limit

Check the exact configuration and source conditions for your use.

ASUS Pro B550M-C/CSM4 x DIMM, Max. 128GB, DDR4 4866(O.C)/4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4333(O.C.)/4266(O.C.)/4200(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3333(O.C.)/3200/3000/2933/2800/2666/2400/2133 MHz Un-buffered Memory *,* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.,Dual Channel Memory Architecture,ECC Memory (ECC mode) support varies by CPU.

Manufacturer specification

Source 1

ASUS TUF GAMING B550M-PLUS* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.,4 x DIMM, Max. 128GB, DDR4 4866(O.C)/4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4333(O.C.)/4266(O.C.)/4200(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3333(O.C.)/3200/3000/2933/2800/2666/2400/2133 MHz Un-buffered Memory *,ECC Memory (ECC mode) support varies by CPU.,Dual Channel Memory Architecture

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 ↓

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

Memory type, slots and limit

In Visual facts

Sources

ASUS Pro B550M-C/CSM

Manufacturer specification

ASUS Pro B550M-C/CSM — official Global technical specifications

ASUS TUF GAMING B550M-PLUS

Manufacturer specification

ASUS TUF GAMING B550M-PLUS — official Global technical specifications

Check the exact configuration and source conditions for your use.

Storage interfaces and restrictions

In Visual facts

ASUS Pro B550M-C/CSMAMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors:,AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors:,Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports,1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support,AMD B550 Chipset:,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 4.0 x4 and SATA modes) storage devices support,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support,4 x SATA 6Gb/s port(s),,Support Raid 0, 1, 10

ASUS TUF GAMING B550M-PLUSAMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors:,AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors:,1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 3.0 x4 and SATA modes) storage devices support,Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports,AMD B550 Chipset:,4 x SATA 6Gb/s port(s),,Support Raid 0, 1, 10,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 4.0 x4 and SATA modes) storage devices support,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support

Sources

ASUS Pro B550M-C/CSM

Manufacturer specification

ASUS Pro B550M-C/CSM — official Global technical specifications

ASUS TUF GAMING B550M-PLUS

Manufacturer specification

ASUS TUF GAMING B550M-PLUS — official Global technical specifications

Check the exact configuration and source conditions for your use.

Network interfaces and requirements

In Visual facts

ASUS Pro B550M-C/CSMRealtek RTL8111H 1Gb Ethernet

ASUS TUF GAMING B550M-PLUSRealtek RTL8125B 2.5Gb Ethernet,TUF LANGuard

Sources

ASUS Pro B550M-C/CSM

Manufacturer specification

ASUS Pro B550M-C/CSM — official Global technical specifications

ASUS TUF GAMING B550M-PLUS

Manufacturer specification

ASUS TUF GAMING B550M-PLUS — official Global technical specifications

Check the exact configuration and source conditions for your use.

Audio interfaces

In Visual facts

ASUS Pro B550M-C/CSMRealtek ALC887/8977.1 Surround Sound High Definition Audio CODEC *,- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback,* Choose the chassis with HD audio module in front panel to support 8-channel audio output.

ASUS TUF GAMING B550M-PLUS- Premium audio capacitors,Realtek ALC S1200A7.1 Surround Sound High Definition Audio CODEC,- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback,- Audio Shielding,- Dedicated audio PCB layers,- Audio Cover,Audio Feature:,- Exclusive DTS Custom for GAMING Headsets.,- Optical S/PDIF out port(s) at back panel

Sources

ASUS Pro B550M-C/CSM

Manufacturer specification

ASUS Pro B550M-C/CSM — official Global technical specifications

ASUS TUF GAMING B550M-PLUS

Manufacturer specification

ASUS TUF GAMING B550M-PLUS — official Global technical specifications

Check the exact configuration and source conditions for your use.

Expansion slots and restrictions

In Visual facts

ASUS Pro B550M-C/CSMAMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors,1 x PCIe 4.0 x16 (x16 mode) *,AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors,* Support PCIe bifurcation for RAID on CPU function.,AMD B550 Chipset,1 x PCIe 3.0 x4 *1,1 x PCIe 3.0 x16 (x16 mode),1 x PCI

ASUS TUF GAMING B550M-PLUSAMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors,AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors,* Support PCIe bifurcation for RAID on CPU function.,AMD B550 Chipset,1 x PCIe 3.0 x16 (x4 mode),1 x PCIe 4.0 x16 (x16 mode),1 x PCIe 3.0 x1,1 x PCIe 3.0 x16 (x16 mode)

Sources

ASUS Pro B550M-C/CSM

Manufacturer specification

ASUS Pro B550M-C/CSM — official Global technical specifications

ASUS TUF GAMING B550M-PLUS

Manufacturer specification

ASUS TUF GAMING B550M-PLUS — official Global technical specifications

Check the exact configuration and source conditions for your use.

Configuration & compatibility details (1)

CPU support and BIOS requirements

ASUS Pro B550M-C/CSMAMD AM4 Socket for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors *,* Refer to www.asus.com for CPU support list BIOS: 256 Mb Flash ROM, UEFI AMI BIOS

ASUS TUF GAMING B550M-PLUS* Refer to www.asus.com for CPU support list.,AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors * BIOS: 256 Mb Flash ROM, UEFI AMI BIOS

Sources

ASUS Pro B550M-C/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 Pro B550M-C/CSM — official Global technical specifications

ASUS TUF GAMING B550M-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 TUF GAMING B550M-PLUS — official Global technical specifications

These descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.

4 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

ASUS Pro B550M-C/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

ASUS TUF GAMING B550M-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

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

10 of 10 specifications Sources in each row

Source-backed specifications for ASUS Pro B550M-C/CSM and ASUS TUF GAMING B550M-PLUS
Specification	ASUS Pro B550M-C/CSM	ASUS TUF GAMING B550M-PLUS

CPU socket Sources ASUS Pro B550M-C/CSM Manufacturer specification ASUS Pro B550M-C/CSM — official Global technical specifications ASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specifications	AM4	AM4
Chipset Sources ASUS Pro B550M-C/CSM Manufacturer specification ASUS Pro B550M-C/CSM — official Global technical specifications ASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specifications	AMD B550	AMD B550
Form factor and dimensions Sources ASUS Pro B550M-C/CSM Manufacturer specification ASUS Pro B550M-C/CSM — official Global technical specifications ASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specifications	mATX Form Factor,9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )	mATX Form Factor,9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )
CPU support and BIOS requirementsDifferent Sources ASUS Pro B550M-C/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 Pro B550M-C/CSM — official Global technical specifications ASUS TUF GAMING B550M-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 TUF GAMING B550M-PLUS — official Global technical specifications	*AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors ,* Refer to www.asus.com for CPU support list BIOS: 256 Mb Flash ROM, UEFI AMI BIOS**	* Refer to www.asus.com for CPU support list.,AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors * BIOS: 256 Mb Flash ROM, UEFI AMI BIOS
Listed operating systems Sources ASUS Pro B550M-C/CSM Manufacturer specification ASUS Pro B550M-C/CSM — official Global technical specifications ASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specifications	Windows® 10 64-bit	Windows® 10 64-bit

Memory type, slots and limitDifferent Sources ASUS Pro B550M-C/CSM Manufacturer specification ASUS Pro B550M-C/CSM — official Global technical specifications ASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specifications	4 x DIMM, Max. 128GB, DDR4 4866(O.C)/4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4333(O.C.)/4266(O.C.)/4200(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3333(O.C.)/3200/3000/2933/2800/2666/2400/2133 MHz Un-buffered Memory , Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.,Dual Channel Memory Architecture,ECC Memory (ECC mode) support varies by CPU.	* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.,4 x DIMM, Max. 128GB, DDR4 4866(O.C)/4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4333(O.C.)/4266(O.C.)/4200(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3333(O.C.)/3200/3000/2933/2800/2666/2400/2133 MHz Un-buffered Memory *,ECC Memory (ECC mode) support varies by CPU.,Dual Channel Memory Architecture

Storage interfaces and restrictionsDifferent Sources ASUS Pro B550M-C/CSM Manufacturer specification ASUS Pro B550M-C/CSM — official Global technical specifications ASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specifications	AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors:,AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors:,Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports,1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support,AMD B550 Chipset:,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 4.0 x4 and SATA modes) storage devices support,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support,4 x SATA 6Gb/s port(s),,Support Raid 0, 1, 10	AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors:,AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors:,1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 3.0 x4 and SATA modes) storage devices support,Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports,AMD B550 Chipset:,4 x SATA 6Gb/s port(s),,Support Raid 0, 1, 10,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 4.0 x4 and SATA modes) storage devices support,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support

Expansion slots and restrictionsDifferent Sources ASUS Pro B550M-C/CSM Manufacturer specification ASUS Pro B550M-C/CSM — official Global technical specifications ASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specifications	AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors,1 x PCIe 4.0 x16 (x16 mode) ,AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors, Support PCIe bifurcation for RAID on CPU function.,AMD B550 Chipset,1 x PCIe 3.0 x4 *1,1 x PCIe 3.0 x16 (x16 mode),1 x PCI	AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors,AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors,* Support PCIe bifurcation for RAID on CPU function.,AMD B550 Chipset,1 x PCIe 3.0 x16 (x4 mode),1 x PCIe 4.0 x16 (x16 mode),1 x PCIe 3.0 x1,1 x PCIe 3.0 x16 (x16 mode)

Audio interfacesDifferent Sources ASUS Pro B550M-C/CSM Manufacturer specification ASUS Pro B550M-C/CSM — official Global technical specifications ASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specifications	Realtek ALC887/8977.1 Surround Sound High Definition Audio CODEC ,- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback, Choose the chassis with HD audio module in front panel to support 8-channel audio output.	- Premium audio capacitors,Realtek ALC S1200A7.1 Surround Sound High Definition Audio CODEC,- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback,- Audio Shielding,- Dedicated audio PCB layers,- Audio Cover,Audio Feature:,- Exclusive DTS Custom for GAMING Headsets.,- Optical S/PDIF out port(s) at back panel

Network interfaces and requirementsDifferent Sources ASUS Pro B550M-C/CSM Manufacturer specification ASUS Pro B550M-C/CSM — official Global technical specifications ASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specifications	Realtek RTL8111H 1Gb Ethernet	Realtek RTL8125B 2.5Gb Ethernet,TUF LANGuard

First product manufacturer source Second product manufacturer source

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

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ASUS PRIME B550M-A

CPU socket: AM4
Chipset: AMD B550
Form factor and dimensions: mATX Form Factor 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )

Prices & product profile

ASUS PRIME B550M-A/CSM

CPU socket: AM4
Chipset: AMD B550
Form factor and dimensions: mATX Form Factor 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )

Prices & product profile

ASUS PRIME B550M-A AC

CPU socket: AM4
Chipset: AMD B550
Form factor and dimensions: mATX Form Factor 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )

Prices & product profile

MSI PRO B550M-VC WIFI

Maximum memory: 128 GB
DIMM slots: 4 slots
M.2 slots: 2 slots

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.

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ASUS Pro B550M-C/CSM vs ASUS TUF GAMING B550M-PLUS

Compared products

ASUS Pro B550M-C/CSM

ASUS TUF GAMING B550M-PLUS

Visual facts

Memory type, slots and limit

Key differences

Memory type, slots and limit

Storage interfaces and restrictions

Network interfaces and requirements

Audio interfaces

Expansion slots and restrictions

CPU support and BIOS requirements

What it brings and what to check

ASUS Pro B550M-C/CSM

What it brings

What to check

ASUS TUF GAMING B550M-PLUS

What it brings

What to check

Full specifications

More products

ASUS PRIME B550M-A

ASUS PRIME B550M-A/CSM

ASUS PRIME B550M-A AC

MSI PRO B550M-VC WIFI

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