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 29 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.
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
Windows 2008 (64 bit), Windows Vista (64 bit), Windows 2003 (64 bit), Windows XP (64 bit)
3.20 (30-Mar-2009)
1.50.2.0 (2008-03-25) via .inf
3.20.2.0 (2009-03-27) via .inf
Low-Profile 4-Ext./4-Int. or 8-Internal Port SAS/SATA II PCIe RAID Adapter
Sathishkumar (DG Staff Member) on 14-Aug-2009
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__
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 |
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.
Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.
In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager
In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager
In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager
In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager
In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
Click the Update Driver button and follow the instructions.
In most cases, you will need to reboot your computer in order for the driver update to take effect.
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.