This driver download is available for Windows PCs.
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At a Glance
DeviceLSI Logic LSI20320 R
VendorLSI Logic
Supported OSWindows
VersionLatest
File Size—
UpdatedOct 29, 2026
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The LSI Logic LSI20320 R driver enables Windows to communicate with this SCSI storage controller and access compatible devices connected to it. Selecting the correct driver helps the operating system recognize the adapter and manage storage requests. For Windows 11, 10, 8, or 7, check the package’s compatibility details before downloading, as this legacy controller may not have a suitable driver for every version.
Key Features
- Controller recognition: Allows Windows to identify the LSI Logic storage adapter and use its supported functions.
- SCSI device access: Provides the communication layer needed to work with compatible drives and other supported SCSI devices attached to the controller.
- Storage command handling: Connects the Windows storage subsystem to the adapter so supported devices can process read, write, and other storage requests.
- Hardware-specific configuration: Supplies driver components intended for the controller, helping avoid the limitations of an unidentified device in Device Manager.
How to Install
- Confirm your hardware and Windows version. Open Device Manager and locate the controller, which may appear under Storage controllers, SCSI and RAID controllers, or Other devices. Check its hardware IDs and confirm whether Windows uses a 32-bit or 64-bit architecture.
- Choose a matching driver package. Verify that the download explicitly supports the LSI Logic LSI20320 R, your Windows release, and system architecture. A package intended for Windows 7 or 8 should not be assumed compatible with Windows 10 or 11.
- Prepare before making changes. Back up important data, especially if disks connected to the adapter contain your operating system or essential files. Extract the downloaded archive, if necessary, and read any included installation instructions.
- Install the driver. Run the supplied installer, if available. Otherwise, right-click the controller in Device Manager, select Update driver, choose Browse my computer for drivers, and point Windows to the extracted folder. Do not force installation if Windows reports a hardware mismatch or signature problem.
- Restart and verify operation. Reboot if prompted, then check Device Manager for warning icons. Confirm that expected storage devices appear in the appropriate Windows tools. If a disk contains existing data, do not initialize or format it simply because it is not immediately accessible.
Driver Details
| Device | LSI Logic LSI20320 R |
|---|---|
| Vendor | LSI Logic |
| Category | Storage |
| Supported OS | Windows |
| Published | October 28, 2026 |
| Updated | October 29, 2026 |
This driver download is available for Windows PCs.