Atto Celerity FC-44ES Driver Download (Official)

Atto Technology Drivers

The Celerity FC-44ES 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 update - "winx86_drv_celerity_263.exe" - has an average rating of 5 out of 5 stars based on 8 reviews, and has been downloaded 26 times. It is compatible with PCs running Windows Vista and Windows XP, among other operating systems. The total disk space used for this update is 1.1 MB.

8 Ratings

Supported Models

Celerity FC-44ES

ATTO Celerity FC-21PS Fibre Channel Adapter

ATTO Celerity FC-22XH Fibre Channel Adapter

ATTO Celerity FC-22XS Fibre Channel Adapter

ATTO Celerity FC-24XL Fibre Channel Adapter

ATTO Celerity FC-24XS Fibre Channel Adapter

ATTO Celerity FC-41EL Fibre Channel Adapter

ATTO Celerity FC-41EN Fibre Channel Adapter



Supported Operating Systems

Windows 2008, Windows Vista, Windows 2003, Windows XP

File Name


2.63 (3-Dec-2008) (2008-03-25) via .inf (2008-11-24) via .inf

Additional Notes

Quad-Channel 4-Gb Fibre Channel PCIe Host Adapter

Uploaded By

Sathishkumar (DG Staff Member) on 14-Aug-2009

How to Update Celerity FC-44ES Device Drivers

Step 1 - Download Your Driver

To get the Celerity FC-44ES 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 Celerity FC-44ES 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

  1. Open a tool called Device Manager.

  2. Use Device Manager to put the new driver on your computer.

  3. Turn your computer off.

  4. Turn your computer back on.

Now your new driver is ready!

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 342.0 KB 18 Aug 2008
Storport/41XA/attofc.dll 142.9 KB 15 Apr 2008
Storport/41XA/clrtyfca 48 bytes 18 Jul 2006
Storport/41XA/ 11.1 KB 24 Nov 2008
Storport/41XA/clrtyfca.inf 3.9 KB 24 Nov 2008
Storport/41XA/clrtyfca.sys 313.9 KB 24 Nov 2008
Storport/41XA/makedisk.bat 989 bytes 11 Sep 2007
Storport/41XA/makedisk.exe 16.4 KB 15 Oct 2006
Storport/attofc.dll 142.9 KB 15 Apr 2008
Storport/ 11.1 KB 24 Nov 2008
Storport/clrtyfc.inf 9.0 KB 24 Nov 2008
Storport/clrtyfc.sys 313.9 KB 24 Nov 2008
Storport/makedisk.bat 986 bytes 11 Sep 2007
Storport/makedisk.exe 16.4 KB 15 Oct 2006
attofc.dll 142.9 KB 15 Apr 2008 10.3 KB 24 Nov 2008
attomtln.inf 2.3 KB 25 Mar 2008
clrtyfc 38 bytes 24 Nov 2003 11.1 KB 24 Nov 2008
clrtyfc.inf 9.8 KB 24 Nov 2008
clrtyfc.sys 314.4 KB 24 Nov 2008
makedisk.bat 965 bytes 15 Sep 2007
makedisk.exe 16.4 KB 15 Oct 2006
txtsetup.oem 1.3 KB 8 Nov 2007
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