MSI B450 Tomahawk MAX AMD SATA Controller Driver

The MSI B450 Tomahawk MAX exposes AMD chipset storage controllers. This signed AMD SATA package is intended for matching controller hardware, not for systems that are already stable on Microsoft's standard AHCI driver.

MSI B450 Tomahawk MAX driver overview

Storage-controller changes can affect booting, so the hardware ID matters more than the motherboard marketing name. Use this archive only when Device Manager identifies a compatible AMD SATA controller and the selected Windows release requires it.

When this storage package helps

• Windows does not identify MSI B450 Tomahawk MAX correctly after a clean installation.
• The vendor utility or controller package is missing after the storage device was moved to another PC.
• You need the exact local package, version, file size and checksum before making storage changes.

Supported Windows versions

Windows 10 / 8.1 / 7 (32-bit / 64-bit).

Before installing

• Do not switch AHCI and RAID modes in BIOS merely to make a driver install; Windows may stop booting.
• Back up important data before changing a storage driver, RAID component, firmware tool or disk-management utility.
• Match the complete device model and supported Windows release; a similar product name is not enough.

Compatibility notes

Version 1.2.1.402 is an older signed package for supported AMD SATA controller IDs on Windows 7 through Windows 10. Newer Windows installations often use the in-box Standard SATA AHCI Controller; do not force this driver without a matching ID.

Common installation checks

• If setup cannot find the device, compare the hardware ID or exact model label with the package target.
• If Windows blocks the package, check the digital signature and use an administrator account rather than disabling security checks.
• If a storage device disappears after installation, restore the previous driver and check the controller mode in firmware before trying again.

Questions about this driver

Does this package erase files?

A normal driver installation should not format a disk, but storage changes carry more risk than ordinary peripheral updates. Keep a current backup before installation.

Can I use a package for a similar model?

No. Use the exact model or controller family listed by the manufacturer, especially for RAID, NVMe and vendor management tools.

The file is stored in the drivers-search.com library. Before installing, compare the model, Windows version, file size and checksum shown on this page.