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ASUS TUF GAMING B450-PLUS II vs ASUS B450M-DRAGON

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

Compared products

YOUR FIRST CHOICE

ASUS TUF GAMING B450-PLUS II

UK manufacturer specification · TUF GAMING B450-PLUS II

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Exact model & source notes

TUF GAMING B450-PLUS II motherboard, identified in the ASUS UK catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.

Specifications checked 17 Oct 2026.

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Manufacturer specifications

WHAT DIFFERS

7 verified differences, led by Form factor and dimensions, memory type, slots and limit and storage interfaces and restrictions. Compared in full below. Not a rating.

See the 7 verified differences

THE CONTENDER

ASUS B450M-DRAGON

Global manufacturer specification · B450M-DRAGON

Full product profile Official image

Exact model & source notes

B450M-DRAGON 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

TUF GAMING B450-PLUS II UK & US retailers

UK & US price history: no verified listing yet

B450M-DRAGON UK & US retailers

UK & US price history: no verified listing yet

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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

Form factor and dimensions

Check the exact configuration and source conditions for your use.

ASUS TUF GAMING B450-PLUS IIATX Form Factor 12.0 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

Manufacturer specification

Source 1

ASUS B450M-DRAGONmATX Form Factor,8.9 inch x 8.7 inch ( 22.6 cm x 22.1 cm )

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 ↓

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

Form factor and dimensions

In Visual facts

ASUS TUF GAMING B450-PLUS IIATX Form Factor 12.0 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

ASUS B450M-DRAGONmATX Form Factor,8.9 inch x 8.7 inch ( 22.6 cm x 22.1 cm )

Sources

ASUS TUF GAMING B450-PLUS II

Manufacturer specification

ASUS TUF GAMING B450-PLUS II — official UK technical specifications

ASUS B450M-DRAGON

Manufacturer specification

ASUS B450M-DRAGON — official Global technical specifications

Check the exact configuration and source conditions for your use.

Memory type, slots and limit

In Visual facts

ASUS TUF GAMING B450-PLUS II3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors 4 x DIMM, Max. 128GB, DDR4 4400(O.C)/3533(O.C)/3466(O.C.)/3200(O.C.)/3000(O.C.)/2800(O.C.)/2666/2400/2133 MHz Un-buffered Memory Dual Channel Memory Architecture ECC Memory (ECC mode) support varies by CPU. * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists). * The maximum memory frequency supported varies by processor.

ASUS B450M-DRAGON2 x DIMM, Max. 64GB, DDR4 4400(O.C)/3466(O.C.)/3200(O.C.)/3000(O.C.)/2933(O.C.)/2800(O.C.)/2666/2400/2133 MHz Un-buffered Memory,3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors,Dual Channel Memory Architecture,ECC Memory (ECC mode) support varies by CPU.,* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).,* The maximum memory frequency supported varies by processor.

Sources

ASUS TUF GAMING B450-PLUS II

Manufacturer specification

ASUS TUF GAMING B450-PLUS II — official UK technical specifications

ASUS B450M-DRAGON

Manufacturer specification

ASUS B450M-DRAGON — official Global technical specifications

Check the exact configuration and source conditions for your use.

Storage interfaces and restrictions

In Visual facts

ASUS TUF GAMING B450-PLUS II3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics: 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 AMD Athlon™ with Radeon™ Vega Graphics Processors: 1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA mode)*2 3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors: 2 x SATA 6Gb/s port(s) Support Raid 0, 1, 10 AMD B450 chipset: 1 x M.2 Socket 3, with M Key, type 2242/2260/2280 storage devices support (PCIE 2.0 x4)*3 4 x SATA 6Gb/s port(s) Support Raid 0, 1, 10

ASUS B450M-DRAGON3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics:,AMD B450 chipset:,4 x SATA 6Gb/s port(s), gray,,Support Raid 0, 1, 10,1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode),AMD Athlon™ with Radeon™ Vega Graphics Processors:,1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA mode)

Sources

ASUS TUF GAMING B450-PLUS II

Manufacturer specification

ASUS TUF GAMING B450-PLUS II — official UK technical specifications

ASUS B450M-DRAGON

Manufacturer specification

ASUS B450M-DRAGON — official Global technical specifications

Check the exact configuration and source conditions for your use.

Network interfaces and requirements

In Visual facts

ASUS TUF GAMING B450-PLUS IIRealtek® L8200A TUF LANGuard

ASUS B450M-DRAGONRealtek® RTL8111H, 1 x Gigabit LAN Controller(s),ASUS LAN Guard

Sources

ASUS TUF GAMING B450-PLUS II

Manufacturer specification

ASUS TUF GAMING B450-PLUS II — official UK technical specifications

ASUS B450M-DRAGON

Manufacturer specification

ASUS B450M-DRAGON — official Global technical specifications

Check the exact configuration and source conditions for your use.

Audio interfaces

In Visual facts

ASUS TUF GAMING B450-PLUS IIRealtek® ALC S1200A 8-Channel High Definition Audio CODEC *4 Audio Feature: - Exclusive DTS Custom for GAMING Headsets. - Audio Shielding: Ensures precision analog/digital separation and greatly reduced multi-lateral interference - Dedicated audio PCB layers: Separate layers for left and right channels to guard the quality of the sensitive audio signals - Premium Japanese-made audio capacitors: Provide warm, natural and immersive sound with exceptional clarity and fidelity - Audio Cover: Effective shielding preserves the integrity of audio signals to ensure best quality.

ASUS B450M-DRAGONRealtek ALC887/8978-Channel High Definition Audio CODEC,- LED-illuminated design,- Audio Shielding,- Dedicated audio PCB layers,- Premium Japanese audio capacitors,Audio Feature:,* Choose the chassis with HD audio module in front panel to support 8-channel audio output.

Sources

ASUS TUF GAMING B450-PLUS II

Manufacturer specification

ASUS TUF GAMING B450-PLUS II — official UK technical specifications

ASUS B450M-DRAGON

Manufacturer specification

ASUS B450M-DRAGON — official Global technical specifications

Check the exact configuration and source conditions for your use.

Expansion slots and restrictions

In Visual facts

ASUS TUF GAMING B450-PLUS II3rd/2nd/1st Gen AMD Ryzen™ Processors 1 x PCIe 3.0/2.0 x16 (x16 mode) 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Processors 1 x PCIe 3.0/2.0 x16 (x8 mode) AMD Athlon™ with Radeon™ Vega Graphics Processors 1 x PCIe 3.0/2.0 x16 (x4 mode) AMD B450 chipset 1 x PCIe 2.0 x16 (max at x4 mode) *1 3 x PCIe 2.0 x1

ASUS B450M-DRAGON3rd/2nd/1st Gen AMD Ryzen™ Processors,1 x PCIe 3.0/2.0 x16 (x8 mode) *1,AMD B450 chipset,1 x PCIe 3.0/2.0 x16 (x16 mode),AMD Athlon™ with Radeon™ Vega Graphics Processors,1 x PCIe 3.0/2.0 x16 (max at x4 mode),2 x PCIe 2.0 x1

Sources

ASUS TUF GAMING B450-PLUS II

Manufacturer specification

ASUS TUF GAMING B450-PLUS II — official UK technical specifications

ASUS B450M-DRAGON

Manufacturer specification

ASUS B450M-DRAGON — official Global technical specifications

Check the exact configuration and source conditions for your use.

Show 1 more verified difference

Listed operating systems

In Visual facts

ASUS TUF GAMING B450-PLUS IIWindows® 10 64-bit Windows® 7 64-bit *5

ASUS B450M-DRAGONWindows® 7 64-bit *2,Windows® 10 64-bit

Sources

ASUS TUF GAMING B450-PLUS II

Manufacturer specification

ASUS TUF GAMING B450-PLUS II — official UK technical specifications

ASUS B450M-DRAGON

Manufacturer specification

ASUS B450M-DRAGON — official Global technical specifications

Check the exact configuration and source conditions for your use.

Configuration & compatibility details (1)

CPU support and BIOS requirements

ASUS TUF GAMING B450-PLUS IIAMD AM4 Socket for 3rd/2nd/1st Gen AMD Ryzen™/2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/Athlon™ with Radeon™ Vega Graphics Processors * Refer to www.asus.com for CPU support list BIOS: 256 Mb Flash ROM, UEFI AMI BIOS

ASUS B450M-DRAGONAMD AM4 Socket for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors,* Refer to www.asus.com for CPU support list BIOS: 128 Mb Flash ROM, UEFI AMI BIOS, PnP, SM BIOS 3.1, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, ASUS CrashFree BIOS 3, F3 My Favorite, Last Modified log, F12 PrintScreen, ASUS DRAM SPD (Serial Presence Detect) memory information, F6 Qfan Control

Sources

ASUS TUF GAMING B450-PLUS II

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 B450-PLUS II — official UK technical specifications

ASUS B450M-DRAGON

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 B450M-DRAGON — official Global technical specifications

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

2 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

ASUS TUF GAMING B450-PLUS II

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 B450M-DRAGON

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 TUF GAMING B450-PLUS II and ASUS B450M-DRAGON
Specification	ASUS TUF GAMING B450-PLUS II	ASUS B450M-DRAGON

CPU socket Sources ASUS TUF GAMING B450-PLUS II Manufacturer specification ASUS TUF GAMING B450-PLUS II — official UK technical specifications ASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specifications	AM4	AM4
Chipset Sources ASUS TUF GAMING B450-PLUS II Manufacturer specification ASUS TUF GAMING B450-PLUS II — official UK technical specifications ASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specifications	AMD B450	AMD B450
Form factor and dimensionsDifferent Sources ASUS TUF GAMING B450-PLUS II Manufacturer specification ASUS TUF GAMING B450-PLUS II — official UK technical specifications ASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specifications	ATX Form Factor 12.0 inch x 9.6 inch ( 30.5 cm x 24.4 cm )	mATX Form Factor,8.9 inch x 8.7 inch ( 22.6 cm x 22.1 cm )
CPU support and BIOS requirementsDifferent Sources ASUS TUF GAMING B450-PLUS II 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 B450-PLUS II — official UK technical specifications ASUS B450M-DRAGON 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 B450M-DRAGON — official Global technical specifications	AMD AM4 Socket for 3rd/2nd/1st Gen AMD Ryzen™/2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/Athlon™ with Radeon™ Vega Graphics 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/ 5000 G-Series/ 4000 G-Series/ 3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors,* Refer to www.asus.com for CPU support list BIOS: 128 Mb Flash ROM, UEFI AMI BIOS, PnP, SM BIOS 3.1, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, ASUS CrashFree BIOS 3, F3 My Favorite, Last Modified log, F12 PrintScreen, ASUS DRAM SPD (Serial Presence Detect) memory information, F6 Qfan Control
Listed operating systemsDifferent Sources ASUS TUF GAMING B450-PLUS II Manufacturer specification ASUS TUF GAMING B450-PLUS II — official UK technical specifications ASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specifications	*Windows® 10 64-bit Windows® 7 64-bit 5**	*Windows® 7 64-bit 2,Windows® 10 64-bit**

Memory type, slots and limitDifferent Sources ASUS TUF GAMING B450-PLUS II Manufacturer specification ASUS TUF GAMING B450-PLUS II — official UK technical specifications ASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specifications	3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors 4 x DIMM, Max. 128GB, DDR4 4400(O.C)/3533(O.C)/3466(O.C.)/3200(O.C.)/3000(O.C.)/2800(O.C.)/2666/2400/2133 MHz Un-buffered Memory Dual Channel Memory Architecture ECC Memory (ECC mode) support varies by CPU. * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists). * The maximum memory frequency supported varies by processor.	2 x DIMM, Max. 64GB, DDR4 4400(O.C)/3466(O.C.)/3200(O.C.)/3000(O.C.)/2933(O.C.)/2800(O.C.)/2666/2400/2133 MHz Un-buffered Memory,3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors,Dual Channel Memory Architecture,ECC Memory (ECC mode) support varies by CPU.,* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).,* The maximum memory frequency supported varies by processor.

Storage interfaces and restrictionsDifferent Sources ASUS TUF GAMING B450-PLUS II Manufacturer specification ASUS TUF GAMING B450-PLUS II — official UK technical specifications ASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specifications	3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics: 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 AMD Athlon™ with Radeon™ Vega Graphics Processors: 1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA mode)2 3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors: 2 x SATA 6Gb/s port(s) Support Raid 0, 1, 10 AMD B450 chipset: 1 x M.2 Socket 3, with M Key, type 2242/2260/2280 storage devices support (PCIE 2.0 x4)*3 4 x SATA 6Gb/s port(s) Support Raid 0, 1, 10	3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics:,AMD B450 chipset:,4 x SATA 6Gb/s port(s), gray,,Support Raid 0, 1, 10,1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode),AMD Athlon™ with Radeon™ Vega Graphics Processors:,1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA mode)

Expansion slots and restrictionsDifferent Sources ASUS TUF GAMING B450-PLUS II Manufacturer specification ASUS TUF GAMING B450-PLUS II — official UK technical specifications ASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specifications	3rd/2nd/1st Gen AMD Ryzen™ Processors 1 x PCIe 3.0/2.0 x16 (x16 mode) 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Processors 1 x PCIe 3.0/2.0 x16 (x8 mode) AMD Athlon™ with Radeon™ Vega Graphics Processors 1 x PCIe 3.0/2.0 x16 (x4 mode) AMD B450 chipset 1 x PCIe 2.0 x16 (max at x4 mode) *1 3 x PCIe 2.0 x1	3rd/2nd/1st Gen AMD Ryzen™ Processors,1 x PCIe 3.0/2.0 x16 (x8 mode) *1,AMD B450 chipset,1 x PCIe 3.0/2.0 x16 (x16 mode),AMD Athlon™ with Radeon™ Vega Graphics Processors,1 x PCIe 3.0/2.0 x16 (max at x4 mode),2 x PCIe 2.0 x1

Audio interfacesDifferent Sources ASUS TUF GAMING B450-PLUS II Manufacturer specification ASUS TUF GAMING B450-PLUS II — official UK technical specifications ASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specifications	Realtek® ALC S1200A 8-Channel High Definition Audio CODEC *4 Audio Feature: - Exclusive DTS Custom for GAMING Headsets. - Audio Shielding: Ensures precision analog/digital separation and greatly reduced multi-lateral interference - Dedicated audio PCB layers: Separate layers for left and right channels to guard the quality of the sensitive audio signals - Premium Japanese-made audio capacitors: Provide warm, natural and immersive sound with exceptional clarity and fidelity - Audio Cover: Effective shielding preserves the integrity of audio signals to ensure best quality.	Realtek ALC887/8978-Channel High Definition Audio CODEC,- LED-illuminated design,- Audio Shielding,- Dedicated audio PCB layers,- Premium Japanese audio capacitors,Audio Feature:,* Choose the chassis with HD audio module in front panel to support 8-channel audio output.

Network interfaces and requirementsDifferent Sources ASUS TUF GAMING B450-PLUS II Manufacturer specification ASUS TUF GAMING B450-PLUS II — official UK technical specifications ASUS B450M-DRAGON Manufacturer specification ASUS B450M-DRAGON — official Global technical specifications	Realtek® L8200A TUF LANGuard	Realtek® RTL8111H, 1 x Gigabit LAN Controller(s),ASUS LAN Guard

First product manufacturer source Second product manufacturer source

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DIMM slots: 2 slots
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ASUS PRIME B550-PLUS

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Form factor and dimensions: ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

Prices & product profile

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

ASUS ROG STRIX B550-A GAMING

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

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.