What is TRIM?
TRIM is an attribute of the ATA Data Set Management Command.

The command allows the operating system to inform the solid-state drive of data blocks (such as deleted files) that can be wiped internally. This function improves compatibility, endurance, and performance.

How can I use TRIM?
Microsoft Windows 7* and Windows Server 2008* have the TRIM command enabled by default.

If you are using Microsoft Windows XP* or Vista*, the Intel® SSD Optimizer identifies which files the user deleted and communicates that information to the SSD.

• A Solid-State Drive, with drive lithography of 34nm (G2) or newer.
• Installation of the Intel® SSD Toolbox.
• FW 02HD or later. Instructions and download for the Intel® SATA Solid-State Drive Firmware Update Tool are available at the following website: downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=18363
• The Intel® Rapid Storage Technology driver version 9.6 or later. Download at: downloadcenter.intel.com/detail_desc.aspx?agr=&ProductID=&DwnldID=18859&strOss=&OSFullName=&lang=eng
• Disable scheduled defragmentation to avoid background defragmentation running at the same time as the Intel® SSD Optimizer.
• Disable the SuperFetch feature.
• Microsoft Volume Shadow Copy Service (VSS) needs enabled in order for the Intel SSD Optimizer to run:
  www.intel.com/support/ssdc/hpssd/sb/CS-031501.htm

Will the Intel SSD Optimizer be updated to support Intel® 50nm SSDs?
No. The Intel Solid-State Drive Toolbox Optimizer tool will not work on Intel 50nm SSDs.

Is TRIM supported on RAID configuration?
Currently TRIM is not supported on RAID configurations.

More information can be found here:
SSD New User’s Guide

Disclaimer

Operating System:

Windows XP Professional x64 Edition*, Windows Vista(Beta 1)*, Windows Vista 64*, Windows Vista Starter, 32-bit version*, Windows Vista Home Basic, 32-bit version*, Windows Vista Home Premium, 32-bit version*, Windows Vista Business, 32-bit version*, Windows Vista Enterprise, 32-bit version*, Windows Vista Ultimate, 32-bit version*, Windows Vista(RC2)*, Windows Vista Home Basic, 64-bit version*, Windows Vista Home Premium, 64-bit version*, Windows Vista Business, 64-bit version*, Windows Vista Enterprise, 64-bit version*, Windows Vista Ultimate, 64-bit version*, Windows Vista *, Windows Vista 32*, Windows XP Starter Edition*, Windows 7 *, Windows 7 (32-bit)*, Windows 7 (64-bit)*, Windows 7 Enterprise, 32-bit version*, Windows 7 Enterprise, 64-bit version*, Windows 7 Home Basic, 32-bit version*, Windows 7 Home Basic, 64-bit version*, Windows 7 Home Premium, 32-bit version*, Windows 7 Home Premium, 64-bit version*, Windows 7 Professional, 32-bit version*, Windows 7 Professional, 64-bit version*, Windows 7 Starter Edition*, Windows 7 Ultimate, 32-bit version*, Windows 7 Ultimate, 64-bit version*, Windows 7(RC1, 32-bit)*, Windows 7(RC1, 64-bit)*, Windows XP *, Windows XP 64-Bit Edition*, Windows XP Professional*, Windows XP Home Edition*, Windows XP Tablet PC Edition*, Windows XP Media Center Edition*, Windows XP 64-Bit Edition Version 2003*

This applies to:

IntelŽ SSD 310 Series (40GB, mSATA 3Gb/s, 34nm, MLC) IntelŽ SSD 310 Series (80GB, mSATA 3Gb/s, 34nm, MLC) IntelŽ SSD 320 Series (120GB, 2.5in SATA 3Gb/s, 25nm, MLC) IntelŽ SSD 320 Series (160GB, 1.8in microSATA 3Gb/s, 25nm, MLC) IntelŽ SSD 320 Series (160GB, 2.5in SATA 3Gb/s, 25nm, MLC) IntelŽ SSD 320 Series (300GB, 1.8in microSATA 3Gb/s, 25nm, MLC) IntelŽ SSD 320 Series (300GB, 2.5in SATA 3Gb/s, 25nm, MLC) IntelŽ SSD 320 Series (40GB, 2.5in SATA 3Gb/s, 25nm, MLC) IntelŽ SSD 320 Series (600GB, 2.5in SATA 3Gb/s, 25nm, MLC) IntelŽ SSD 320 Series (80GB, 1.8in microSATA 3Gb/s, 25nm, MLC) IntelŽ SSD 320 Series (80GB, 2.5in SATA 3Gb/s, 25nm, MLC) IntelŽ SSD 330 Series (120GB, SATA 6Gb/s, 25nm, MLC) IntelŽ SSD 330 Series (180GB, SATA 6Gb/s, 25nm, MLC) IntelŽ SSD 330 Series (240GB, SATA 6Gb/s, 25nm, MLC) IntelŽ SSD 330 Series (60GB, SATA 6Gb/s, 25nm, MLC) IntelŽ SSD 335 Series (240GB, 2.5in SATA 6Gb/s, 20nm, MLC) IntelŽ SSD 510 Series (120GB, 2.5in SATA 6Gb/s, 34nm, MLC) IntelŽ SSD 510 Series (250GB, 2.5in SATA 6Gb/s, 34nm, MLC) IntelŽ SSD X18-M Series (160GB, 1.8in microSATA 3Gb/s, 34nm, MLC) IntelŽ SSD X18-M Series (80GB, 1.8in microSATA 3Gb/s, 34nm, MLC) IntelŽ SSD X25-E Series (32GB, 2.5in SATA 3Gb/s, 50nm, SLC) IntelŽ SSD X25-E Series (64GB, 2.5in SATA 3Gb/s, 50nm, SLC) IntelŽ SSD X25-M Series (120GB, 2.5in SATA 3Gb/s, 34nm, MLC) IntelŽ SSD X25-V Series (40GB, 2.5in SATA 3Gb/s, 34nm, MLC)