DriverCove

9550SX SATA-II RAID PCI-X Driver 3.0.4.20

by AmccWindows 11Windows 1064-bitSHA-256 verified

Manufacturer
Amcc
Device
9550SX SATA-II RAID PCI-X
Driver version
3.0.4.20
Release date
February 7, 2008
Supported Windows
Windows 11, Windows 10
Architecture
64-bit (x64)
File size
189 KB
File name
20142621_ae6bcb8ca00d1f6814ca810f0f13915fa335b186.cab
Digital signature
Signed - catalog AmccDrv9.cat
INF version
02/07/2008,3.00.04.020
INF provider
AMCC
Device class
SCSIAdapter
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
b09eb14f6d2053dc248deb3142ad8bce2d44d2433a64a4a5ab66a8638293766f

Supported hardware IDs (4)

Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.

How to install

  1. Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
  2. Verify compatibility: your Windows version (Windows 11, Windows 10) and architecture (x64)must match this driver, and your device's Hardware ID should appear in the list above.
  3. Download the file using the button - it comes directly from Microsoft Update Catalog.
  4. Optionally verify the checksum: open PowerShell, run Get-FileHash your-download.cab -Algorithm SHA256 and compare with the SHA-256 above.
  5. Extract the .cab archive: right-click → Extract All, or run expand -F:* file.cab C:\driver\ in Command Prompt.
  6. Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run pnputil /add-driver C:\driver\*.inf /install.
  7. Check Device Manager: the device should show no warning icons, and the driver version should match.

How to roll back

If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).