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Windows 7: Is Intel Rapid Storage Technology Software needed?

12 Oct 2012   #11

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64

I have seen reviews and tests from both the msachi and RST drivers, both have claimed to be faster. I guess it depends on the system and settings.
Both are good, there's no clear cut margin of performance that has been verified, so as with most things it's an individual preference.
Some SSD performance threads that I have read tend to have more RST drivers but, that doesn't mean much at the end of the day.

You can install the RST/msachi drivers at any time, the only problem comes when your BIOS is set to IDE and you install the RST/msachi drivers, then your system will crash.
You can change from IDE to AHCI/RAID in BIOS and install the corresponding drivers without re-installing the OS.
It will work on some systems by installing the AHCI/RAID drivers, reboot into BIOS and change the setting from IDE to AHCI/RAID, reboot. If this doesn't work there is a registry setting you can change.
Here's a tutorial: AHCI: Enable in Windows 7 after OS install

You should make a restore point and/or image backup before trying these methods.

@ Layback Bear, that's your SSD driver.
The controller driver in Device Manager is under 'IDE ATA/ATAPI controllers', usually the first listing.
Name:  Intel controller driver.PNG
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My System SpecsSystem Spec
13 Oct 2012   #12

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium 64 Bit SP 1

I have a question, about another storage driver. nvstor.sys.

In this situation, a crash is caused by nvidia storage driver. What should be done? Uninstall, or update? If update, how?
My System SpecsSystem Spec
19 Oct 2012   #13

Windows 7 64 bit SP1. EFI boot partition, full EFI boot.


No you don't need them, but the Intel RST drivers perform significantly better than the Microsoft AHCI drivers on Intel chipsets, particularly with SSD drives - even if you don't use RAID. I have been running Intel RST for years and have never had any issue. The RST install also includes a disk manager which includes a couple of services that are not necessary, which I just disable.
My System SpecsSystem Spec

 Is Intel Rapid Storage Technology Software needed?

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