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ASUS · AM4 · B550M

ASUS TUF GAMING B550M-PLUS WiFi II

Micro-ATX · DDR4 · 4 DIMMs · 8-phase VRM

Quality
53
VRM
25
Value
56
Amazon
$180
$180
Available Updated 2 days, 6 hours ago
Overall53.4
VRM25.0
Chipset84.0
Expansion / storage60.0
Connectivity52.0
Audio46.0
Quality / price56.4
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Written analysis

ASUS TUF GAMING B550M-PLUS WiFi II at a glance

The ASUS TUF GAMING B550M-PLUS WiFi II uses the Micro-ATX form factor, AM4 socket, and B550M chipset. This is a balanced mainstream platform: enough expansion and connectivity for a performance PC without paying only for flagship extras.

Memory support is DDR4 across 4 DIMM slots, with up to 128 GB and rated overclocked speeds up to 4866 MT/s. The board can operate memory in ECC mode. XMP / EXPO memory-profile support is recorded for easier tuning.

Best fit: a mainstream gaming, home, or office system with moderate expansion needs.

Power delivery

The calculated VRM score is 25.0, placing the power delivery in the basic class. The board lists 8 CPU power phases, 60 A power stages in a 8+2 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 60.0: balanced . The platform supports PCIe 4.0. Physical expansion includes 3 ×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 22110, 2280, 2260, 2242. 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 52.0, rated adequate . There is no recorded onboard Wi-Fi ; wired networking is 1 x Realtek 1Gb Ethernet TUF LANGuard at up to 2500 Mbps. The recorded USB provision is 8 rear connections; a front-panel total is not recorded. The specification sheet below separates every USB speed and connector type.

Display connectivity includes HDMI 2.1, DisplayPort 1.2. These motherboard outputs require a processor with integrated graphics.

Audio

The audio score is 46.0. This is a standard onboard solution using Realtek ALC S1200A. It covers normal gaming and communication; demanding headphones or production work still benefit from an external interface. The rear panel has 5 analogue jacks. Optical S/PDIF is present for digital audio equipment.

Buying verdict

Overall quality is 53.40, a mainstream result. The essential platform features are covered, while premium I/O and tuning extras are more selective.

At the recorded Amazon price, the quality-to-price score is 56.4—a balanced value for its feature class.

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 TUF GAMING B550M-PLUS WiFi II
Chipset / socket
B550M / AM4
Form factor
Micro-ATX
Launch price
Amazon price
$180
Availability
In stock
Price updated
2 days, 6 hours ago

VRM

CPU phases
8 (60 A)
Power design
8+2
EPS connector
1

Memory

Type / slots
DDR4 / 4 DIMMs
Max capacity / OC
128 GB / 4866 MT/s
Per DIMM
32 GB
XMP / EXPO
Yes
ECC
Operates in ECC mode

PCIe

Supported version
PCIe 4.0
x16 physical
3
x16 Gen 4
1
x16 Gen 3
2
x1 physical
1
x1 Gen 3
1

Storage

M.2 slots
2
M.2 lengths
22110, 2280, 2260, 2242
SATA ports
4

Display outputs

HDMI
Yes · 2.1 · 4K@60HZ
DisplayPort
Yes · 1.2
USB-C DisplayPort
No

USB

Rear USB 2.0
2
Rear USB 3.2 Gen 1 Type-A 5 Gbps
4
Rear USB 3.2 Gen 2 Type-A 10 Gbps
1
Rear 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 Realtek 1Gb Ethernet TUF LANGuard
LAN ports
2
LAN speed
2500 Mbps
Wi-Fi
Not included
Bluetooth
No

Audio

Chipset
Realtek ALC S1200A
Analog jacks
5
Gold-plated jacks
No
Optical S/PDIF
Yes
Spatial audio
Rear output

Buttons

BIOS flashback
Yes
Clear CMOS
No
Q-Flash Plus
No
Smart button
No
Onboard start / reset
No

Additional information

Memory notes
Supports DDR4 Un-buffered Memory. ECC Memory (ECC mode) support varies by CPU. Memory frequency support depends on the CPU types. Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Display notes
Graphics specifications may vary between CPU types.
Expansion notes
One PCIe 3.0 x16 slot operates in x4 mode. Supports PCIe bifurcation for RAID on CPU function.
M.2_1
4.0 4 · SATA · 2242, 2260, 2280 · CPU — Functionality of M.2_1 depends on the installed CPU. With AMD Ryzen 5000/3000 Series Desktop Processors, it supports PCIe 4.0 x4. With AMD Ryzen 5000 G-Series/4000 G-Series Desktop Processors, it supports PCIe 3.0 x4.
M.2_2
3.0 4 · SATA · 2242, 2260, 2280, 22110 · Chipset
RAID
SATA (0, 1, 10)
USB notes
One of the rear USB 3.2 Gen 1 ports can be switched to USB BIOS FlashBack™.
Audio notes
Premium audio capacitors, 7.1 Surround Sound High Definition Audio CODEC. Supports Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback. Features Audio Shielding, Dedicated audio PCB layers, Audio Cover, and Exclusive DTS Custom for GAMING Headsets.
Networking notes
TUF LANGuard
Button notes
The motherboard has a Clear CMOS jumper, not a button. One of the USB 3.2 Gen 1 ports can be switched to be used for USB BIOS FlashBack™.
Fan / RGB headers
1 CPU · 1 OPT · — AIO · 2 chassis · 1 ARGB · 2 RGB
Other headers
Front audio · System panel · TPM
Dimensions
24.4 cm x 24 cm

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

Amazon

Price history

Nearby quality

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VRM fit

VRM-appropriate CPUs

AM4 processors whose TDP sits in this board’s VRM window. Socket match is required; chipset extras still matter on sTR5. This is a power-delivery filter, not a ranked CPU guide.

Open AM4 CPUs in the CPU table

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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

* 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

Graphics

1 x HDMI 2.1(4K@60HZ),1 x DisplayPort 1.2,*Graphics specifications may vary between CPU types.

Expansion slots

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)

Storage

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

USB

4 x USB 2.0 port(s)(4 x Type-A),Front USB Port ( Total 6 ),Rear USB Port ( Total 8 ),4 x USB 3.2 Gen 1 port(s)(4 x Type-A),2 x USB 3.2 Gen 1 port(s)(2 x Type-A),2 x USB 2.0 port(s)(2 x Type-A),2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C®)

Internal I/O

1 x COM port header,1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s),1 x CPU Fan connector(s),1 x CPU OPT Fan connector(s),2 x Chassis Fan connector(s),2 x Aura RGB Strip Headers,1 x Addressable Gen 2 header(s),2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s),1 x SPI TPM header,4 x SATA 6Gb/s connector(s),1 x 24-pin EATX Power connector(s),1 x 8-pin EATX 12V Power connectors,1 x Front panel audio connector(s) (AAFP),1 x Clear CMOS jumper(s),1 x System panel connector,1 x COM port header,1 x Speaker connector,1 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (SATA mode & X4 PCIE mode),1 x M.2 Socket 3 with M Key, type 2242/2260/2280/22110 storage devices support (SATA mode & X4 PCIE mode)

Rear I/O

4 x USB 3.2 Gen 1 (blue) (one port can be switched to USB BIOS FlashBack™),2 x USB 3.2 Gen 2 (teal blue) (1 x Type-A+1 x USB Type-C®),1 x BIOS FlashBack™ Button(s),1 x LAN (2.5G) port(s),1 x PS/2 keyboard/mouse combo port(s),1 x DisplayPort,1 x HDMI,2 x USB 2.0,1 x Optical S/PDIF out,5 x Audio jack(s)

Wireless

Yes

Audio

- 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

Special features

ASUS TUF PROTECTION
- ASUS DIGI+ VRM (Digital power design with Dr. MOS)
- ASUS Enhanced DRAM Overcurrent Protection
- ASUS ESD Guards
- TUF LANGuard
- ASUS Overvoltage Protection
- ASUS SafeSlot
- ASUS Stainless-Steel Back I/O
ASUS Q-Design
- ASUS Q-DIMM
- ASUS Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- ASUS Q-Slot
ASUS Thermal Solution
- Aluminum M.2 heatsink
ASUS EZ DIY
- BIOS FlashBack™ button
- BIOS FlashBack™ LED
- Procool
AURA Sync
- Standard RGB headers
- Addressable Gen 2 RGB header