Atto ExpressSAS R348 Driver Download (Official)
The ExpressSAS R348 is a disk drive controller manufactured by Atto Technology. This driver fixes problems with drive not found, slow or unreliable data transfer, intermittent connection or hardware conflicts. This version of "winx64_drv_esasraid_320.exe" is rated (5 out of 5 stars) based on 31 downloads and 5 reviews. Our users report success installing this driver update on PCs running Windows 7. The total disk space used for this update is 379.4 KB.
Supported Models
ExpressSAS R348
ATTO Empty LUN
ATTO ExpressSAS R30F RAID Adapter
ATTO ExpressSAS R348 RAID Adapter
ATTO ExpressSAS R380 RAID Adapter
ATTO ExpressSAS SCSI Enclosure Processor
ATTO Phantom Device
ATTO Unpopulated Channel
Manufacturers
Supported Operating Systems
Windows 2008 (64 bit), Windows Vista (64 bit), Windows 2003 (64 bit), Windows XP (64 bit)
File Name
Versions
3.20 (30-Mar-2009)
1.50.2.0 (2008-03-25) via .inf
3.20.2.0 (2009-03-27) via .inf
Additional Notes
Low-Profile 4-Ext./4-Int. or 8-Internal Port SAS/SATA II PCIe RAID Adapter
Uploaded By
Sathishkumar (DG Staff Member) on 14-Aug-2009
Device Hardware IDs
PCI\VEN_117C&DEV_002C&SUBSYS_002C117C
PCI\VEN_117C&DEV_002C&SUBSYS_002D117C
PCI\VEN_117C&DEV_002C&SUBSYS_0041117C
PCI\VEN_15BC&DEV_0105&SUBSYS_0024117C
PCI\VEN_15BC&DEV_0105&SUBSYS_0024117C&REV_06
PCI\VEN_15BC&DEV_1203&SUBSYS_0024117C
SCSI\ENCLOSUREATTO____ESAS_3GB_X24_SEP
SCSI\OTHERATTO____EMPTY_LUN_______
SCSI\OTHERATTO____PHANTOM_DEVICE__
Compatible IDs
Related Driver Updates
How to Update ExpressSAS R348 Device Drivers
Step 1 - Download Your Driver
To get the ExpressSAS R348 driver, click the green download button above. After you complete your download, move on to Step 2.
If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Atto ExpressSAS R348 into the search box above and then submit. In the results, choose the best match for your PC and operating system.
Tech Tip: If you are having trouble deciding which is the right driver, try the Atto Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
To find the newest driver, you may need to visit the Atto website. Most major device manufacturers update their drivers regularly.
Step 2 - Install Your Driver
Installing your newly downloaded driver is a straightforward process. Windows provides a dedicated tool called Device Manager for this purpose. Follow these steps to update your driver:
Access the Quick Access menu by right-clicking the Start button.
From the menu options, choose "Device Manager".
Within Device Manager, identify the device requiring the driver update.
Open the context menu for the device by right-clicking its name.
Select "Update driver" and proceed through the guided installation.
To complete the process, reboot your computer. This ensures the new driver is fully integrated into your system.
Regular driver updates contribute to optimal system performance and hardware compatibility.
Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| Setup.exe | 456.7 KB | 18 Aug 2008 |
| attomtln.cat | 8.1 KB | 27 Mar 2009 |
| attomtln.inf | 2.3 KB | 25 Mar 2008 |
| esasraid | 40 bytes | 27 Jul 2006 |
| esasraid.cat | 8.6 KB | 27 Mar 2009 |
| esasraid.inf | 2.9 KB | 27 Mar 2009 |
| esasraid.sys | 65.1 KB | 27 Mar 2009 |
| makedisk.bat | 939 bytes | 18 Oct 2007 |
| makedisk.exe | 16.4 KB | 15 Oct 2006 |
| txtsetup.oem | 633 bytes | 14 May 2008 |