[Kevin OBrien]

This guide talks about enabling TRIM support on a new OSX Lion system with an aftermarket SSD.

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[ChrisMcPole]

as soon as apple completes the move and starts using their own ssds only, they will patch the hole...

[Kdawgca]

So true...hopefully people will find a way around it.

@KO/Dan. Have you tried Trim Enabler 2.0? Their December Beta 4.0 seems to solve most issues(see the comment section)?

Trim Enabler 2.0

Even though Terminal is a great tool that everyone should get to know, it might make it easier for people who may be a little sloppy with their copying and pasting(you are dealing with Apple users afterall ).

[mike2h]

i thought owc went through apple validation?

[Brian]

Good point, I had forgotten about that actually. I'm not entirely sure though what that means and how that may play into Apple's plans of making their own SSDs. I really hope Apple doesn't close down the upgrade of storage though, that's taking their ecosystem argument too far.

[udaman]

Kevin OBrien, on 30 December 2011 - 02:57 PM, said:

This guide talks about enabling TRIM support on a new OSX Lion system with an aftermarket SSD.

Read Full Article

Quote

If you happened to update your notebook or desktop to an SSD, enabling TRIM is a must for the best long term sustained performance.

^FAIL, wrong.

http://macperformanc...b2011-TRIM.html

Quote

Last updated March 05, 2011 - Send Feedback

TRIM is a solid state drive (SSD) feature that turns marginal designs into usable drives. In essence, it’s a command that tells a drive “clean up your internal mess”.

With the 2011 MacBook Pro, the Apple System Profiler has no inserted a TRIM Support line in its drive features list (see below).

A line of text indicating that TRIM support is present has nothing to do with whether the OS supports using TRIM, which remains an open question. And a well designed drive doesn’t need TRIM, more on that below.

Quote

TRIM vs solid design

Why would you want an SSD that cannot work reliably (maintain its performance) without regular tune-ups? To get a fast drive (to save yourself time) so that you can waste your time maintaining it? It’s self-defeating.

I use solutions that start fast and stay that way, which is why I use the OWC Mercury Extreme Pro or Pro RE, based on the Sandforce controller. See my Severe Duty Test.

The Mercury Extreme Pro (RE or non-RE) SSDs have not let me down in nearly a year of use, including a 3-way RAID-0 stripe (a much more punishing usage than a single SSD), and multiple other single SSD drives. No maintenance, no wasted time, which is exactly how it should be. I am not interested in science fair designs.

[Kevin OBrien]

udaman, on 02 January 2012 - 01:56 PM, said:

^FAIL, wrong.

http://macperformanc...b2011-TRIM.html

If TRIM was completely worthless, Apple would have never even added it as a capability to OSX after Windows supported it for so long. SandForce models may have great GC properties but there are a ton of other controllers out there that don't fare as well without TRIM support. I know TRIM isn't the end all be all, but putting a blanket statement out there that it isn't needed in any application and supporting it with heavy Apple-influenced articles isn't really showing a non-biased response.