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ASRock · MODEL REFERENCE

B550 Phantom Gaming 4

The right downloads. A clearer view of your board.

AM4AMD B550DDR4

What do you need?

DriversChoose your operating system and device. BIOS & firmwareRead version notes and the update procedure. CPU supportCheck your processor and required BIOS. ManualsOpen the manufacturer documentation.

All downloads open on ASRock’s website. Select the matching category if the site opens its default tab. MoboDocs does not host installers or BIOS files.

Match the complete model name and PCB revision before downloading. DDR4/DDR5, Wi-Fi, MAX and II variants can use different files.

Specifications & model notes

Form factor
ATX
Memory slots
4
M.2 storage slots
2
SATA ports
6

Physical connector counts do not guarantee simultaneous use. Check processor and lane-sharing limits in the specification.

Use the CPU support list for the exact Ryzen model. The shared family manual also covers the 4/ac variant; follow the layout and features for B550 Phantom Gaming 4. M2_3 shares lanes with SATA3_5_6: using either makes the other unavailable.

Original documentation

Manufacturer support & documentationChoose the matching manual, revision and language.
Open source ↗
Motherboard manualOfficial PDF · hosted by the manufacturer
Open PDF ↗
Specifications & compatibilityCheck CPU support, memory and expansion limits.
View details ↗
Official product photosView the manufacturer’s gallery and compare the exact model.
View product ↗

Helpful starting points

Each guide states its scope. General checklists are not hardware tests of this particular model.

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WSL2 & virtualization · 5 min read

Get your PC ready for WSL2

A practical checklist for firmware virtualization, Windows features, and error 0x80370102.

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Secure Boot & TPM · 4 min read

Secure Boot: check before you change

Understand UEFI mode, recovery keys, and the difference between enabled and active.

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Storage & expansion · 4 min read

Will an M.2 SSD disable another port?

Read slot-sharing notes before adding an SSD or expansion card.

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Connectors & assembly · 4 min read

Connect your case’s front-panel cables

Identify the power switch, reset switch, and indicator LEDs using the correct header map.

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Identify your board · 3 min read

How to find your motherboard model and revision

Read the board identity in Windows, then distinguish the product name, hardware revision and BIOS version.

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Drivers & setup · 3 min read

Where to download motherboard drivers

Find chipset, network and audio drivers for the exact board and operating system, including a plan for a PC without internet.

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CPU & BIOS · 3 min read

Will this CPU work? Check the board and BIOS together

A matching socket is only the first check. Read the exact CPU support entry and required BIOS before replacing a processor.

Sources reviewed 2026-10-22 · Report a correction.