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ASUS ROG STRIX B550-A GAMING

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Motherboard - AMD B550, AMD AM4 socket, PCI Express 4.0, 2× PCIe x16, 3× PCIe x1, 4× DDR4 4800MHz (OC), 6× SATA III, 2× M.2, USB 3.2 Gen 2, RJ-45 (LAN) 2,5Gbps, 8ch audio, form factor: ATX
  3,389,-
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ASUS ROG STRIX B550-A GAMING

The ASUS ROG STRIX B550-A gaming motherboard with the AMD B550 chipset forms the foundation of gaming PCs built on the AM4 platform. It supports 3rd, 4th, and 5th generation AMD Ryzen processors and DDR4 RAM with frequencies up to 4800MHz in OC mode, thanks to OptiMem II technology. The ATX form factor provides extensive options for installing additional cards and components. The board uses the PCIe 4.0 interface for the main graphics slot and one of the M.2 slots. This interface delivers high transfer speeds for graphics cards and NVMe SSDs. Several features make PC building easier. The pre-mounted I/O shield simplifies installing the board into the case. Q-LED diagnostic lights indicate the status of the processor, memory, graphics card, or boot device. The BIOS FlashBack function supports BIOS updates without needing to install a processor or memory, using only a USB drive and a power supply.

Chipset

AMD B550

Chipset
Socket

AMD AM4

Socket
Form factor

ATX

Form factor
Memory type

DDR4

Memory type
RAM slots

4×

Number of RAM slots

Key features of the ASUS ROG STRIX B550-A gaming motherboard

  • Based on the AMD B550 chipset with an AM4 socket in an ATX form factor
  • Four slots support DDR4 memory with frequencies up to 4800MHz
  • Main PCIe 4.0 x16 slot
  • Storage options include two M.2 slots and six SATA III ports
  • Networking includes a 2.5Gb/s LAN port
  • 12+2 phase power delivery system
  • Special features include BIOS FlashBack and AI Noise-Cancelling Microphone
ASUS ROG STRIX B550-A gaming

Power and cooling

The 12+2 phase power delivery supplies stable voltage to AMD Ryzen processors even under heavy load. It uses alloy chokes, durable capacitors, and a reinforced ProCool connector for reliable power delivery. The cooling system includes passive heatsinks on the VRM, chipset, and both M.2 slots. This combination maintains low operating temperatures for key components and contributes to the stability of the entire system. The board also includes fan connectors and a header for connecting AIO liquid cooling. For expansion, there are two 4-pin RGB headers and one addressable Gen 2 RGB header for connecting LED strips and other lighting elements.

ASUS ROG STRIX B550-A gaming

Fast storage and board connectivity

For storage, there are two M.2 slots supporting lengths up to 22110. The first slot supports the PCIe 4.0 x4 standard, while the second supports PCIe 3.0 x4. Both slots support NVM Express RAID for increased performance. The board also offers six SATA III ports for connecting hard drives and SSDs. The rear panel includes USB 3.2 Gen 2 ports in both Type-A and Type-C, and an internal connector for Thunderbolt. The ROG GameFirst VI software optimises network traffic by using AI to identify applications and prioritise gaming data packets. The Armoury Crate tool then centralises the management of RGB lighting, driver downloads, and other system settings.

ASUS ROG STRIX B550-A gaming

SupremeFX gaming audio and network card

Audio output is handled by the SupremeFX S1220A codec with a 113dB signal-to-noise ratio, complemented by Nichicon Japanese capacitors. The technology includes shielding against electromagnetic interference and dual op-amps for the headphone output, which can drive headphones with an impedance of 32–600Ω. The software suite includes Sonic Studio III and DTS Sound Unbound for sound customisation. The AI Noise-Cancelling Microphone function filters out ambient noise during voice communication. The board integrates an Intel I225-V network chip with a speed of 2.5Gb/s. This speed reduces latency in online gaming and shortens transfer times for large files.

ASUS ROG STRIX B550-A gaming
ASUS ROG STRIX B550-A GAMING motherboard

Port layout

Storage

  • Number of SATA III: 6
  • Number of M.2: 2
  • M.2 Slot - 1× M.2 PCI-E NVMe Gen4 / SATA
  • M.2 Slot - 1× M.2 PCI-E NVMe Gen3 / SATA
  • Features: RAID 0, RAID 1, RAID 10

USB ports

  • Internal USB 2.0: 4
  • Internal USB 3.2 Gen 1: 2 
  • Rear USB 3.2 Gen 2: 2 (1× Type-A, 1× USB Type-C)
  • Rear USB 3.2 Gen 1: 4
  • Rear USB 2.0: 2

Graphics

  • HDMI: 2.1
  • DisplayPort: 1.2

Audio

  • Number of channels: 7.1
  • Rear connectors: 5× gold-plated audio jack, Optical S/PDIF
  • Internal connectors: AAFP

Other

  • Rear connectors: RJ-45 (LAN) 2.5Gbps, BIOS FlashBack button, S/PDIF
  • Power: 24pin, 1× 8pin, 1× 4pin
  • Cooling: 1× CPU FAN, 1× CPU OPT FAN, 3× Chassis FAN, 1× AIO_PUMP
  • Internal: 2× Aura RGB header, 1× Addressable Gen 2 header, Thunderbolt header, Thermal sensor connector, Clear CMOS jumper
ASUS ROG STRIX B550-A GAMING motherboard

Choosing a motherboard

When choosing a motherboard, it's important to pay close attention to the socket type, form factor and chipset. These parameters are among the most important and ensure the board's compatibility with the processor, expansion cards and other components. The specific socket determines your choice of processor, while the remaining connectors dictate which other components you'll need for your future computer.

Specifications

Compare
Socket
AMD AM4
Chipset
AMD B550
Motherboard form factor
ATX
Basic functions
For CPU with integrated GPU, Integrated network card, Integrated sound card, PCI Express 4.0
Memory type
DDR4

Socket and chipset

Socket
AMD AM4
Chipset
AMD B550

Format & functions

Motherboard form factor
ATX
Basic functions
For CPU with integrated GPU, Integrated network card, Integrated sound card, PCI Express 4.0

Memory

Memory type
DDR4
Number of RAM slots
4 ×
Max. frequency (OC)
4,800 MHz
Design
DIMM
Connection Mode
dual-channel

Advanced parameters

Advanced features
AMD CrossFire Technologies
Sound card type
SupremeFX S1220A
Number of sound card channels
8.0

Connectors

External
DisplayPort 1.2, HDMI 2.1, Jack, RJ-45 (LAN) 2.5Gbps, S/PDIF, USB 2.0, USB 3.2 Gen 1, USB 3.2 Gen 2
Internal
M.2 PCIe 4.0, M2 Socket, RGB LED Header, Serial ATA III, Thunderbolt header, USB 2.0 header, USB 3.2 Gen 1 header
PCI express x16
2×
PCI express x1
3×
USB 2.0
2×
USB 3.2 Gen 1 (USB 3.0)
4×
USB 3.1 (3.1 gen2)
2×
M.2 slots
2×
Serial ATA III
6×

Compatibility

Compatible processor generation
3rd generation Ryzen, 4th generation Ryzen, 5th generation Ryzen

Colour

Colour
Black, White
More Specifications

ASUSTek COMPUTER INC. 1F.,No.15, Lide Rd., Beitou Dist., Taipei City 112 Tel: +886-2-2894-3447 Tel: +886-2-2890-7798 https://gr.asus.com/ProductSafety ASUS COMPUTER GmbH Harkortstrasse 21-23 40880 Ratingen Germany, Europe Email: [email protected]


ASUS COMPUTER GmbH, Harkortstrasse 21-23, 40880 Ratingen, Germany, Europe, [email protected]

ASUS is a symbol of the growth of Taiwan's economy. The firm's beginnings date back to April 2, 1989, when as a small manufacturer of motherboards began his work with a few employees. Today, Asus employs more than 12,500 employees worldwide.

ASUS products can be found in almost every category of the information technology marketplace. ASUS is focused on desktops, laptops, phones, optical drives and components. In the manufacture of motherboards, the company is now the dominant player with a staggering 40% market share.

Note:

This product is not an independently functional unit and may require professional installation.

Specifications can be changed without notice. Images are for illustrative purposes only.

Zdravím budou fungovat tyto ram Patriot Viper 4 Blackout Series 16GB KIT (2×8GB) DDR4 4400MHz CL18 s procesorem 5600 s touto deskou

otazka znie či je už nahraty bios 1004 alebo novsi na 5000 radu ryzen konkretne ryzen 5 5600x

Dobrý den, bude na této desce fungovat procesor AMD Ryzen 7 5700X .

Dobrý den chtěl jsem se zeptat proč jste mi tu základní desku neposlali v orig. krabici?Kupoval jsem novou nepoužitou.A zda se mi právě že nejspíš ani nefunguje.Diky za odpověď.

Ještě bych se chtěl zeptat jestli je wifi zabudovaná a nebo jestli se musí dokoupit

dobrý den podporuje deska AMD Ryzen 7 5700? předem děkuji za odpověď

dobrý den, mam dotaz je deska kompatibilní s procesorem AMD Ryzen 5 5600X ? u desky je psaný pouze AMD Ryzen 3 .

Dobrý den. Marně hledám na této základní desce ARGB headery.

Dobry den,bude na tedle desce/ SUS ROG STRIX B550-A GAMING/ fungovat procesor AMD RYZEN 3 2200G, Předem děkuji za odpovět

Dobrý den, chtěl bych se zeptat mám tuto sestavu AMD RYZEN 5 5600x rtx 3060, 550W zdroj seasonic G12 a ASUS ROG STRIX b550m-a ATX Mohu upgradnout grafickou kartu na 4070 popřípadě 4070 super ? Děkuji

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