MOTHERBOARDS · YOUR NEXT FACE-OFF

ASUS PRIME B550-PLUS vs ASUS ROG STRIX B550-A GAMING

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

Compared products

YOUR FIRST CHOICE

ASUS PRIME B550-PLUS

UK manufacturer specification · PRIME B550-PLUS

Full product profile Official image

Exact model & source notes

PRIME B550-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

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 ROG STRIX B550-A GAMING

UK manufacturer specification · ROG STRIX B550-A GAMING

Full product profile Official image

Exact model & source notes

ROG STRIX B550-A GAMING 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

PRIME B550-PLUS UK & US retailers

UK & US price history: no verified listing yet

ROG STRIX B550-A GAMING 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 PRIME B550-PLUSAMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors 4 x DIMM, Max. 128GB, DDR4 4600(O.C)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz ECC and non-ECC, Un-buffered Memory * AMD RyzenTM 4000 G-Series Processor 4 x DIMM, Max. 128GB, DDR4 4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz ECC and non-ECC, Un-buffered Memory Dual Channel Memory Architecture * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

Manufacturer specification

Source 1

ASUS ROG STRIX B550-A GAMINGAMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors 4 x DIMM, Max. 128GB, DDR4 4600(O.C)/4400(O.C)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory AMD RyzenTM 4000 G-Series Processors 4 x DIMM, Max. 128GB, DDR4 5100(O.C)/4800(O.C.)/4600(O.C)/4400(O.C)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory Dual Channel Memory Architecture OptiMem II ECC Memory (ECC mode) support varies by CPU. * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

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 PRIME B550-PLUS

Manufacturer specification

ASUS PRIME B550-PLUS — official UK technical specifications

ASUS ROG STRIX B550-A GAMING

Manufacturer specification

ASUS ROG STRIX B550-A GAMING — official UK technical specifications

Check the exact configuration and source conditions for your use.

Storage interfaces and restrictions

In Visual facts

ASUS PRIME B550-PLUSTotal supports 2 x M.2 slot(s) and 6 x SATA 6Gb/s ports AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors: 1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode) AMD RyzenTM 4000 G-Series Processor: 1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) AMD B550 Chipset: 1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)*2 6 x SATA 6Gb/s port(s), *2 Support Raid 0, 1, 10

ASUS ROG STRIX B550-A GAMINGTotal supports 2 x M.2 slot(s) and 6 x SATA 6Gb/s ports AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors: 1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode) AMD RyzenTM 4000 G-Series Processor: 1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)* AMD B550 Chipset: 1 x M.2_2 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) 6 x SATA 6Gb/s port(s), Support Raid 0, 1, 10

Sources

ASUS PRIME B550-PLUS

Manufacturer specification

ASUS PRIME B550-PLUS — official UK technical specifications

ASUS ROG STRIX B550-A GAMING

Manufacturer specification

ASUS ROG STRIX B550-A GAMING — official UK technical specifications

Check the exact configuration and source conditions for your use.

Network interfaces and requirements

In Visual facts

ASUS PRIME B550-PLUSRealtek® RTL8111H ASUS LANGuard

ASUS ROG STRIX B550-A GAMINGIntel® I225-V 2.5Gb Ethernet ASUS LANGuard

Sources

ASUS PRIME B550-PLUS

Manufacturer specification

ASUS PRIME B550-PLUS — official UK technical specifications

ASUS ROG STRIX B550-A GAMING

Manufacturer specification

ASUS ROG STRIX B550-A GAMING — official UK technical specifications

Check the exact configuration and source conditions for your use.

Audio interfaces

In Visual facts

ASUS PRIME B550-PLUSRealtek ALC887 7.1-Channel High Definition Audio CODEC - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback Audio Feature: - Optical S/PDIF out port(s) at back panel - LED-illuminated design - Audio Shielding - Dedicated audio PCB layers - Premium Japanese audio capacitors - Unique de-pop circuit

ASUS ROG STRIX B550-A GAMINGROG SupremeFX 8-Channel High Definition Audio CODEC S1220A - Dual OP Amplifiers - Impedance sense for front and rear headphone outputs - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - High quality 120 dB SNR stereo playback output and 113 dB SNR recording input - Supports up to 32-Bit/192kHz playback * Audio Feature: - SupremeFX Shielding™ Technology - Gold-plated jacks - Optical S/PDIF in port(s) at back panel - Audio Shielding - Premium Japanese audio capacitors - Audio Cover * Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio.

Sources

ASUS PRIME B550-PLUS

Manufacturer specification

ASUS PRIME B550-PLUS — official UK technical specifications

ASUS ROG STRIX B550-A GAMING

Manufacturer specification

ASUS ROG STRIX B550-A GAMING — official UK technical specifications

Check the exact configuration and source conditions for your use.

Expansion slots and restrictions

In Visual facts

ASUS PRIME B550-PLUSAMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors 1 x PCIe 4.0 x16 (x16 mode) AMD RyzenTM 4000 G-Series Processor 1 x PCIe 3.0 x16 (x16 mode) AMD B550 Chipset 1 x PCIe 3.0 x16 (x4 mode) 3 x PCIe 3.0 x1 * Support PCIe bifurcation for RAID on CPU function.

ASUS ROG STRIX B550-A GAMINGAMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors 1 x PCIe 4.0 x16 (x16 mode) AMD RyzenTM 4000 G-Series Processor 1 x PCIe 3.0 x16 (x16 mode) AMD B550 Chipset 1 x PCIe 3.0 x16 (x4 mode) * 3 x PCIe 3.0 x1

Sources

ASUS PRIME B550-PLUS

Manufacturer specification

ASUS PRIME B550-PLUS — official UK technical specifications

ASUS ROG STRIX B550-A GAMING

Manufacturer specification

ASUS ROG STRIX B550-A GAMING — official UK technical specifications

Check the exact configuration and source conditions for your use.

Configuration & compatibility details (1)

CPU support and BIOS requirements

ASUS PRIME B550-PLUSAMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors Processors * * Refer to www.asus.com for CPU support list BIOS: 256 Mb Flash ROM, UEFI AMI BIOS

ASUS ROG STRIX B550-A GAMINGAMD AM4 Socket for AMD Ryzen™ 5000 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

Sources

ASUS PRIME B550-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 B550-PLUS — official UK technical specifications

ASUS ROG STRIX B550-A GAMING

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 ROG STRIX B550-A GAMING — official UK technical specifications

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

Missing or non-comparable evidence (3)

Internal headers and connectors

ASUS PRIME B550-PLUSNot verified

ASUS ROG STRIX B550-A GAMING1 x CPU Fan connector(s) 1 x CPU OPT Fan connector(s) 3 x Chassis Fan connector(s) 1 x AIO_PUMP connector 1 x AAFP connector 2 x Aura RGB Strip Header(s) 1 x Addressable Gen 2 header(s) 1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s) 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s) 1 x M.2 Socket 1 with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode) 1 x M.2 Socket 2 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) 6 x SATA 6Gb/s connector(s) 1 x Thunderbolt header(s) 1 x 24-pin EATX Power connector(s) 1 x 8-pin ATX 12V Power connector(s) 1 x 4-pin ATX 12V Power connector(s) 1 x System panel(s) 1 x Thermal sensor connector(s) 1 x Clear CMOS jumper(s)

Sources

ASUS PRIME B550-PLUS

No source recorded for this side.

ASUS ROG STRIX B550-A GAMING

Manufacturer specification

ASUS ROG STRIX B550-A GAMING — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rear-panel ports

ASUS PRIME B550-PLUSNot verified

ASUS ROG STRIX B550-A GAMING1 x Intel® I225-V 2.5Gb Ethernet 1 x DisplayPort 1 x HDMI 2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C®) 4 x USB 3.2 Gen 1 2 x USB 2.0 1 x Optical S/PDIF out 1 x BIOS FlashBack™ Button(s) 5 x Gold-plated audio jacks

Sources

ASUS PRIME B550-PLUS

No source recorded for this side.

ASUS ROG STRIX B550-A GAMING

Manufacturer specification

ASUS ROG STRIX B550-A GAMING — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

USB ports and headers

ASUS PRIME B550-PLUSNot verified

ASUS ROG STRIX B550-A GAMINGRear USB Port ( Total 8 ) 2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C®) 4 x USB 3.2 Gen 1 port(s)(4 x Type-A) 2 x USB 2.0 port(s) Front USB Port ( Total 6 ) 2 x USB 3.2 Gen 1 port(s) 4 x USB 2.0 port(s)

Sources

ASUS PRIME B550-PLUS

No source recorded for this side.

ASUS ROG STRIX B550-A GAMING

Manufacturer specification

ASUS ROG STRIX B550-A GAMING — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

4 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

ASUS PRIME B550-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 ROG STRIX B550-A GAMING

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 B550-PLUS and ASUS ROG STRIX B550-A GAMING
Specification	ASUS PRIME B550-PLUS	ASUS ROG STRIX B550-A GAMING

CPU socket Sources ASUS PRIME B550-PLUS Manufacturer specification ASUS PRIME B550-PLUS — official UK technical specifications ASUS ROG STRIX B550-A GAMING Manufacturer specification ASUS ROG STRIX B550-A GAMING — official UK technical specifications	AM4	AM4
Chipset Sources ASUS PRIME B550-PLUS Manufacturer specification ASUS PRIME B550-PLUS — official UK technical specifications ASUS ROG STRIX B550-A GAMING Manufacturer specification ASUS ROG STRIX B550-A GAMING — official UK technical specifications	AMD B550	AMD B550
Form factor and dimensions Sources ASUS PRIME B550-PLUS Manufacturer specification ASUS PRIME B550-PLUS — official UK technical specifications ASUS ROG STRIX B550-A GAMING Manufacturer specification ASUS ROG STRIX B550-A GAMING — 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 requirementsDifferent Sources ASUS PRIME B550-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 B550-PLUS — official UK technical specifications ASUS ROG STRIX B550-A GAMING 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 ROG STRIX B550-A GAMING — official UK technical specifications	*AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors Processors * Refer to www.asus.com for CPU support list BIOS: 256 Mb Flash ROM, UEFI AMI BIOS**	*AMD AM4 Socket for AMD Ryzen™ 5000 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**
Listed operating systems Sources ASUS PRIME B550-PLUS Manufacturer specification ASUS PRIME B550-PLUS — official UK technical specifications ASUS ROG STRIX B550-A GAMING Manufacturer specification ASUS ROG STRIX B550-A GAMING — official UK technical specifications	Windows® 10 64-bit	Windows® 10 64-bit

Memory type, slots and limitDifferent Sources ASUS PRIME B550-PLUS Manufacturer specification ASUS PRIME B550-PLUS — official UK technical specifications ASUS ROG STRIX B550-A GAMING Manufacturer specification ASUS ROG STRIX B550-A GAMING — official UK technical specifications	AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors 4 x DIMM, Max. 128GB, DDR4 4600(O.C)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz ECC and non-ECC, Un-buffered Memory * AMD RyzenTM 4000 G-Series Processor 4 x DIMM, Max. 128GB, DDR4 4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz ECC and non-ECC, Un-buffered Memory Dual Channel Memory Architecture * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).	AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors 4 x DIMM, Max. 128GB, DDR4 4600(O.C)/4400(O.C)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory AMD RyzenTM 4000 G-Series Processors 4 x DIMM, Max. 128GB, DDR4 5100(O.C)/4800(O.C.)/4600(O.C)/4400(O.C)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory Dual Channel Memory Architecture OptiMem II ECC Memory (ECC mode) support varies by CPU. * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

Storage interfaces and restrictionsDifferent Sources ASUS PRIME B550-PLUS Manufacturer specification ASUS PRIME B550-PLUS — official UK technical specifications ASUS ROG STRIX B550-A GAMING Manufacturer specification ASUS ROG STRIX B550-A GAMING — official UK technical specifications	Total supports 2 x M.2 slot(s) and 6 x SATA 6Gb/s ports AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors: 1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode) AMD RyzenTM 4000 G-Series Processor: 1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) AMD B550 Chipset: 1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)2 6 x SATA 6Gb/s port(s), 2 Support Raid 0, 1, 10	Total supports 2 x M.2 slot(s) and 6 x SATA 6Gb/s ports AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors: 1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode) AMD RyzenTM 4000 G-Series Processor: 1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)* AMD B550 Chipset: 1 x M.2_2 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) 6 x SATA 6Gb/s port(s), Support Raid 0, 1, 10

Expansion slots and restrictionsDifferent Sources ASUS PRIME B550-PLUS Manufacturer specification ASUS PRIME B550-PLUS — official UK technical specifications ASUS ROG STRIX B550-A GAMING Manufacturer specification ASUS ROG STRIX B550-A GAMING — official UK technical specifications	AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors 1 x PCIe 4.0 x16 (x16 mode) AMD RyzenTM 4000 G-Series Processor 1 x PCIe 3.0 x16 (x16 mode) AMD B550 Chipset 1 x PCIe 3.0 x16 (x4 mode) 3 x PCIe 3.0 x1 * Support PCIe bifurcation for RAID on CPU function.	AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors 1 x PCIe 4.0 x16 (x16 mode) AMD RyzenTM 4000 G-Series Processor 1 x PCIe 3.0 x16 (x16 mode) AMD B550 Chipset 1 x PCIe 3.0 x16 (x4 mode) * 3 x PCIe 3.0 x1

Audio interfacesDifferent Sources ASUS PRIME B550-PLUS Manufacturer specification ASUS PRIME B550-PLUS — official UK technical specifications ASUS ROG STRIX B550-A GAMING Manufacturer specification ASUS ROG STRIX B550-A GAMING — official UK technical specifications	Realtek ALC887 7.1-Channel High Definition Audio CODEC - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback Audio Feature: - Optical S/PDIF out port(s) at back panel - LED-illuminated design - Audio Shielding - Dedicated audio PCB layers - Premium Japanese audio capacitors - Unique de-pop circuit	ROG SupremeFX 8-Channel High Definition Audio CODEC S1220A - Dual OP Amplifiers - Impedance sense for front and rear headphone outputs - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - High quality 120 dB SNR stereo playback output and 113 dB SNR recording input - Supports up to 32-Bit/192kHz playback * Audio Feature: - SupremeFX Shielding™ Technology - Gold-plated jacks - Optical S/PDIF in port(s) at back panel - Audio Shielding - Premium Japanese audio capacitors - Audio Cover * Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio.
USB ports and headers Sources ASUS PRIME B550-PLUS No source recorded. ASUS ROG STRIX B550-A GAMING Manufacturer specification ASUS ROG STRIX B550-A GAMING — official UK technical specifications	Not provided	Rear USB Port ( Total 8 ) 2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C®) 4 x USB 3.2 Gen 1 port(s)(4 x Type-A) 2 x USB 2.0 port(s) Front USB Port ( Total 6 ) 2 x USB 3.2 Gen 1 port(s) 4 x USB 2.0 port(s)
Rear-panel ports Sources ASUS PRIME B550-PLUS No source recorded. ASUS ROG STRIX B550-A GAMING Manufacturer specification ASUS ROG STRIX B550-A GAMING — official UK technical specifications	Not provided	1 x Intel® I225-V 2.5Gb Ethernet 1 x DisplayPort 1 x HDMI 2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C®) 4 x USB 3.2 Gen 1 2 x USB 2.0 1 x Optical S/PDIF out 1 x BIOS FlashBack™ Button(s) 5 x Gold-plated audio jacks

Network interfaces and requirementsDifferent Sources ASUS PRIME B550-PLUS Manufacturer specification ASUS PRIME B550-PLUS — official UK technical specifications ASUS ROG STRIX B550-A GAMING Manufacturer specification ASUS ROG STRIX B550-A GAMING — official UK technical specifications	Realtek® RTL8111H ASUS LANGuard	Intel® I225-V 2.5Gb Ethernet ASUS LANGuard

Internal headers and connectors Sources ASUS PRIME B550-PLUS No source recorded. ASUS ROG STRIX B550-A GAMING Manufacturer specification ASUS ROG STRIX B550-A GAMING — official UK technical specifications	Not provided	1 x CPU Fan connector(s) 1 x CPU OPT Fan connector(s) 3 x Chassis Fan connector(s) 1 x AIO_PUMP connector 1 x AAFP connector 2 x Aura RGB Strip Header(s) 1 x Addressable Gen 2 header(s) 1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s) 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s) 1 x M.2 Socket 1 with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode) 1 x M.2 Socket 2 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) 6 x SATA 6Gb/s connector(s) 1 x Thunderbolt header(s) 1 x 24-pin EATX Power connector(s) 1 x 8-pin ATX 12V Power connector(s) 1 x 4-pin ATX 12V Power connector(s) 1 x System panel(s) 1 x Thermal sensor connector(s) 1 x Clear CMOS jumper(s)

First product manufacturer source Second product manufacturer source

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ASUS TUF GAMING B550-PLUS

CPU socket: AM4
Chipset: AMD B550
Form factor and dimensions: ATX Form Factor 12 inch x 9.6 inch ( 30.5 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

MSI B550M PRO-VDH WIFI

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

Prices & product profile

MSI MAG B550 TOMAHAWK MAX 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.