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ASUS · AM4 · B550

ASUS ROG Strix B550-F

ATX · DDR4 · 4 DIMMs · 12-phase VRM · 6E

Quality
72
VRM
50
Value
83
Amazon
$165
ASUS ROG Strix B550-F
View ASUS ROG Strix B550-F Gallery in high resolution
$165
Available Updated 2 days, 6 hours ago
Overall71.8
VRM50.0
Chipset84.0
Expansion / storage69.0
Connectivity68.0
Audio88.0
Quality / price82.7
$165 on Amazon Motherboard table Compare this motherboard

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Written analysis

ASUS ROG Strix B550-F at a glance

The ASUS ROG Strix B550-F uses the ATX form factor, AM4 socket, and B550-F 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 5100 MT/s. The board can operate memory in ECC mode.

Best fit: a performance gaming and productivity PC that needs a balanced board without workstation-class excess.

Power delivery

The calculated VRM score is 50.0, placing the power delivery in the mid-range class. The board lists 12 CPU power phases, 80 A power stages in a 12+2 layout. CPU power input is listed as 2. It is a sensible match for mainstream processors, with conservative tuning on higher-power chips.

Expansion and storage

The expansion and storage score is 69.0: balanced . The platform supports PCIe 4.0. Physical expansion includes 2 ×16 slots, and 3 ×1.

On-board storage consists of 2 M.2 slots and 6 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 68.0, rated adequate . Wireless networking is Wi-Fi 6E ; wired networking is Realtek 2.5Gb Ethernet at up to 2500 Mbps. Bluetooth 5.2 is included. 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, DisplayPort 1.2. These motherboard outputs require a processor with integrated graphics.

Audio

The audio score is 88.0. This is a high-end onboard implementation using ROG SupremeFX S1220A, suitable for good headsets, powered speakers, and everyday content work. The rear panel has 5 analogue jacks. Optical S/PDIF is present for digital audio equipment.

Buying verdict

Overall quality is 71.80, a strong performance-class result. This is the practical sweet spot for a powerful gaming or productivity PC without paying for every flagship extra.

At the recorded Amazon price, the quality-to-price score is 82.7—an excellent value relative to the other boards in the catalog.

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 ROG Strix B550-F
Chipset / socket
B550-F / AM4
Form factor
ATX
Launch price
—
Amazon price
$165
Availability
In stock
Price updated
2 days, 6 hours ago

VRM

CPU phases
12 (80 A)
Power design
12+2
EPS connector
2

Memory

Type / slots
DDR4 / 4 DIMMs
Max capacity / OC
128 GB / 5100 MT/s
Per DIMM
32 GB
XMP / EXPO
Not recorded
ECC
Operates in ECC mode

PCIe

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

Storage

M.2 slots
2
M.2 lengths
22110, 2280, 2260, 2242
SATA ports
6

Display outputs

HDMI
Yes
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
Realtek 2.5Gb Ethernet
LAN ports
2
LAN speed
2500 Mbps
Wi-Fi
6E
Bands
2.4GHz, 5GHz, 6GHz
Antenna connectors
2
Bluetooth
5.2

Audio

Chipset
ROG SupremeFX S1220A
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
Memory speed support varies by CPU. AMD Ryzen™ 5000 and 3000 Series Desktop Processors support up to DDR4 4800(O.C.). AMD Ryzen™ 5000 and 4000 G-Series Processors support up to DDR4 5100(O.C). The motherboard supports Un-buffered memory. ECC Memory (ECC mode) support varies by CPU.
Display notes
Graphics specifications may vary between CPU types.
Expansion notes
The PCIe 3.0 x16 slot (supports x4 mode) shares bandwidth with the three PCIe 3.0 x1 slots.
M.2_1
4.0 4 · SATA · 2242, 2260, 2280, 22110 · CPU
M.2_2
3.0 4 · SATA · 2242, 2260, 2280, 22110 · Chipset — When the M.2_2 Slot is populated, SATA6G_5/6 ports will be disabled.
RAID
SATA / PCIe (['0', '1', '10'])
USB notes
Includes one internal Thunderbolt™ header.
Audio notes
Impedance sense for front and rear headphone outputs; Jack-detection, Multi-streaming, Front Panel Jack-retasking; 120 dB SNR stereo playback output and 113 dB SNR recording input; Supports up to 32-Bit/192kHz playback; SupremeFX Shielding Technology; Dual OP Amplifiers; Premium audio capacitors; Audio cover.
Networking notes
WiFi 6E 6GHz regulatory may vary between countries, and function will be ready in Windows 11 or later.
Button notes
The motherboard includes a Clear CMOS header, which requires a jumper, rather than a dedicated physical button.
Fan / RGB headers
1 CPU · 1 OPT · 1 AIO · 3 chassis · 1 ARGB · 2 RGB
Thermal sensors
1
Other headers
Front audio · System panel · Thunderbolt
Dimensions
30.5 cm x 24.4 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

Discussion

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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

Memory
AMD Ryzen™ 5000 and 3000 Series Desktop Processors
4 x DIMM, Max. 128GB, DDR4 4800(O.C.)/4666(O.C.)/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.)/3400(O.C.)/3200/3000/2933/2800/2666/2400/2133 MHz, Un-buffered Memory *
AMD Ryzen™ 5000 and 4000 G-Series Processors
4 x DIMM, Max. 128GB, DDR4 5100(O.C)/4866(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, Un-buffered Memory *
ECC Memory (ECC mode) support varies by CPU.

Graphics

1 x DisplayPort 1.2
1 x HDMITM port
*Graphics specifications may vary between CPU types.

Expansion slots

AMD Ryzen™ 5000 and 3000 Series/ 5000 and 4000 G-Series Desktop Processors
1 x PCIe 4.0 x16 SafeSlot (supports x16 mode)
AMD B550 chipset
1 x PCIe 3.0 x16 slot (supports x4 mode)*
3 x PCIe 3.0 x1 slots
*Share bandwidth with PCIe3.0 x1_1, PCIe3.0 x1_2, PCIe3.0 x1_3

Storage

Total supports 2 x M.2 slots and 6 x SATA 6Gb/s ports
AMD Ryzen™ 5000 and 3000 Series/ 5000 and 4000 G-Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes)
AMD B550 Chipset:
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)*
6 x SATA 6Gb/s ports
Support RAID 0, 1, 10
* When the M.2_2 Slot is populated , SATA6G_5/6 ports will be disabled.

USB

Rear USB:Total 8 ports
2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C®)
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports
Front USB:Total 6 ports
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports

Internal I/O

Fan and cooling related
1 x 4-Pin AIO_Pump header
1 x 4-Pin CPU fan header
1 x 4-Pin CPU_OPT fan 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
2 x M.2 slots (Key M)
6 x SATA 6Gb/s ports
USB ports
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports
Miscellaneous
1 x Addressable Gen 2 header
2 x AURA RGB headers
1 x Clear CMOS header
1 x Front panel audio header (AAFP)
1 x 20-3 pin System Panel header with Chassis intrude function
1 x Thermal sensor header
1 x Thunderbolt™ header

Rear I/O

2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C®)
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports
1 x Wi-Fi Module
1 x DisplayPort
1 x HDMI® port
1 x Intel® I225-V 2.5G Ethernet
1 x Optical S/PDIF out
5 x Audio jacks
1 x BIOS FlashBackTM button

Wireless

Wi-Fi 6E
2x2 Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
Supports 2.4/5/6GHz frequency band*
Bluetooth v5.2
* WiFi 6E 6GHz regulatory may vary between countries, and function will be ready in Windows 11 or later.

Audio

ROG SupremeFX 7.1-Channel High Definition Audio CODEC S1220A
- Impedance sense for front and rear headphone outputs
- 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 Features
- SupremeFX Shielding Technology
- Dual OP Amplifiers
- Premium audio capacitors
- Audio cover
* Due to limitations in HDA bandwidth, 32-Bit/192 kHz is not supported for 8-Channel audio.

Special features

ASUS Q-Design
- ASUS Q-DIMM
- ASUS Q-LED (DRAM [yellow],CPU [red], VGA [white], Boot Device [yellow green)
- ASUS Q-Slot
ASUS Thermal Solution
- M.2 heatsink
AURA Sync
- AURA RGB headers
- Addressable Gen 2 RGB headers
ASUS EZ DIY
- BIOS FlashBack™ button
- BIOS FlashBack™ LED
- Clear CMOS header
- ProCool
- Pre-mounted I/O shield
- SafeSlot

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