Do i Have to TRIM my Third party SSD on my MacBook Pro 2011?

Do i have to TRIM my third party SSD on my MBP 2011? I should do it?
it helps? i like performance this would help get there? what app i should use? im running Mavericks

This article might give you some inisghts:
http://www.techspot.com/news/52835-understanding-ssds-the-need-for-trim-overprov isioning-and-more.html
This is what I use:
http://www.cindori.org/software/trimenabler/

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Well, to save me some time, here is a description of the "problems" I had with this adapter:
Hello,
I bought 2 Replacement Power Adapters for my MacBook Pro. It is 85W as per Apple specifications.
After one week, the first adapter failed miserably. Of a sudden, my MAC started acting sporadically as though there was some sort of a short or something. After a bit longer, my MAC's screen turned black (the power was still on and the adapter plugged into my MAC) and it died! I was afraid that there was a sudden zap of electricity from the "brick" of the power adapter. However, I unplugged the adapter from my MAC, leaving the adapter plugged into the wall. I then tried to get my MAC to work again and, fortunately, after shutting it down by just turning it off by pressing the power button. I then plugged in my old original Apple power adapter and then turned my MAC on again. After a while, the plugged-in "brick" of the power adapter that you sold to me was "cold." It had died! I actually bought 2 of these in the hope that, should one die over time, then I would have another at the ready when the need arose. Well, after the scare that I had with the first one, I was extremely reluctant to use the second one for fear that, maybe, the second one may do the same and actually cause damage to my machine. I just plugged in and kept on using the old one. Today, I got an original Apple 85 Watt power adapter that is now connected to my MacBook Pro. Well, since this "event," I have been having trouble with my built-in FireWire interface as it just fails to recognize my external drives extremely erractically for no reason at all. I have changed the cables numerous times and even cut down the number of FireWire drives down from 6 to only one! However, the problem still persists at the same frequency (about once every 15 minutes after getting the drive recognized again). Now, I cannot reliably back up my data from 2 750G drives to a 1T drive as needed. My iTunes library is more than 200G and needs to be on an external drive and I cannot listen to music without the danger of losing my iTunes directory as well as a numeric level of my DRM rights. This was NOT a problem BEFORE the "brick" suddenly malfunctioned or went "bad" on my MAC. I followed the instructions to the letter about how to use the power adapter included in the box. I also bought this MAC last May.
What can you do for me to "make things right"? I am sure that my MAC requires service as well as repair. However, should Apple deem that it was due to "other than Apple's fault," it could cost almost as much as a new MAC as this "shock" to my MAC may have caused the necessity to replace my current motherboard (over $1600!).
I am, to say the least, very unhappy and I would like to see a "resolution" to this problem that will return my MacBook Pro to its proper state and performance.
Thank you,
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Well, I am letting all of you know that this "replacement" is not worth it and I will definitely keep all of you posted as to how this turns out. At least you can learn from MY own experience, if not stupidity!
ANyse

Thanks for sharing. Do keep in mind the old adage, "If it sounds too good to be true, it probably is..." Since Apple has not licensed the MagSafe design, there are no 'official' non-Apple power adapters, so you're either buying a knock-off or a reconditioned one (and with power systems, reconditioned is not a good idea).

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I have very strange issue with my Retina Macbook Pro (Late 2013) OS X 10.9.3
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How to install third-party SSD as boot disk in MacPro 5,1

I had so much trouble with this that I thought I'd post a recipe that others could follow.
The first thing you should know is that it's not possible to get a non-Apple SSD recognized in a sled slot of a MacPro 5,1. It just doesn't see them at all, even if (as some suggested) previously partitioned as a GUID partition (which works in a MacBook Pro, but not a MacPro 5,1). This is true even with the most up-to-date EFI firmware. You're going to have to use a PCIe adapter card.
The next thing you should know is that not all PCIe SATA3 SSD adapter cards are bootable on a MacPro 5,1. For instance, even though the Sonnet Tempo SSD is advertised as working for a boot drive in a Mac Pro, it actually works in any Mac Pro *except* the 5,1. In a 5,1 drives on the card do not work as boot drives, either with option boot or if you select it as the startup drive after booting from something else. Also, EFI boot is extended by about a minute -- not the end of the world, but an annoyance. The Tempo card does work well for add-on drives, its very fast. I am pretty sure the Tempo Pro variant of the card also does not work, as the Sonnet support guys told me that they have to use use rEFIt for booting 5,1 MacPros in their lab. I imagine if the Pro worked they would have pointed me at that instead. (Note that rEFIt has been superseded by rEFInd, http://www.rodsbooks.com/refind/. I didn't try using rEFIt or rEFInd because I found a better way, but if you want to dual-boot to Linux those utilities are apparently Da Bomb.)
An Apricorn Velocity x2 Duo card *will* boot, and does not have a long EFI boot delay. That card is a little more expensive than the Tempo SSD (but not the Tempo Pro SSD) but it works properly. It's worth the extra money, especially since it's the only card I could find that explicitly claimed to work as a boot drive on a 5,1 MacPro. And it does.
One caveat: With the Tempo SSD the SSD drives were invisible until repartitioned in GUID format, which also happens if you try to use a third-party SSD inside a Macbook Pro. I found that I could repartition one drive, a Crucial MX500 960GB, using a run-of-the-mill USB SATA2 adapter. Unfortunately this solution did not work with a Samsung Evo 1TB drive, I had to use an external USB3 enclosure. Moreover, the enclosure supported both FireWire and USB3 but FireWire did not work. This FireWire issue might be due to the super-cheap enclosure I was using, so YMMV, but keep in mind that it's possible that you'll need either a USB3 expansion card in the MacPro, or a different Mac, to perform the initial repartition to GUID format.
It's possible that SSDs would be visible on the Velocity card even before repartitioning, I don't know as both of my drives had been repartitioned prior to trying the Velocity. So, it might work ... but you might need to partition externally.
I don't know if pre-partitioning is necessary with the Velocity card, as I only ever tried pre-partitioned drives with it. If you try the Velocity and the drive isn't seen, that's the problem and you'll have to use an external SATA adapter of some sort to repartition before installing on the Velocity card.
After partitioning the drive and installing on the Velocity card, it worked fine. Yosemite installed properly and with reboot it blazed.
Next up, TRIM support. For some reason known only to Apple, the Apple AHCI driver refuses to enable TRIM support for anything other than Apple drives. It's possible that there are or were bugs in some of the early SSDs and Apple is just playing it safe, although I would have preferred to have the option to enable TRIM or not if that's the case. Unfortunately there is no such option, you have to use a substitute AHCI driver.
Unfortunately if you're using Yosemite you cannot use a substitute driver without disabling kext extensions, because Apple will not sign anyone else's driver (at least not at the time of this writing). That's unfortunate, I would prefer to have signed extensions if I could, but realistically speaking you're no worse off in terms of security than you were with Mavericks so it's not the end of the world. With a little luck Apple will either start supporting TRIM on third-party drives or starts signing third-party drivers sometime in the future.
So: Before you can start TRIMming drives, you first need to run this command, or something like it:
sudo nvram boot-args=“kext-dev-mode=1”
I rather like seeing the boot process, rather than just the Apple logo, so I use this:
sudo nvram boot-args=“-v kext-dev-mode=1”
I tried both Trim Enabler (http://www.cindori.org/software/trimenabler/) and Chameleon SSD Optimizer (http://chameleon.alessandroboschini.com/). As of this writing the Chameleon driver is more up-to-date, and comes with some additional utilities that are pretty nice. Take your pick, though, both worked fine in my experiments.
With a TRIM-enabled AHCI driver, kext signing disabled, a Velocity card, and your favorite SSD you are in business.
The only weird thing after all of this is that non-boot SSDs on the Velocity card (or on the Tempo) are ejectable. As far as I can determine there’s no way to mark them as non-ejectable. That’s a minor annoyance compared to the performance you get out of the SSD, though.
Because, with this stuff in there, yowza is the MacPro 5,1 a fast machine. You Will Like It. Enjoy!

Then you should read these.
http://forums.macrumors.com/showthread.php?t=1804704&highlight=sonnet+tempo+pro
http://forums.macrumors.com/showthread.php?t=1721573&highlight=sonnet+tempo+pro
This was strange but has to do with how startup disk and nvram interact
http://forums.macrumors.com/showthread.php?t=1795765
I think your problems were solvable and not that the Sonnet card and 5,1 is not bootable, in fact the 5,1 is easier, there are more supported cards.
I have the 1,1 where the Sonnet Pro is recommended but for data only and are not bootable because of the 32-bit EFI firmware. NOT the 4,1 and 5,1. The 2008's are problem child and have a mix of PCIe 1.1 slots, first implementation of EFI64 that also has problems. Also the 4,1 has two PCIe 2.x slots 3 and 4 that share a controller but that simply limits bandwidth.
I would have left the TRIM support and NVRAM changes in Yosemite to a separate thread if you wanted to focus on the Sonnet Tempo Pro support in Mac Pro 2010-12 5,1s.
Also the make of SSD can vary and they also have their own firmware as do bootable controllers along with the EFI of the Mac, all of which have to work together. Meaning it might be that Samsung 840 va 840 EVO vs 840 Pro will all be slightly different but my experience is Samsungs work well (as do others like Crucial with the proper firmware - and there was/is an issue with the firmware of the Samsung 840 but not with booting).
The PCIe card gets seen and treated as external and therefore 'eject' but of course you can't when it is the system boot drive.
One thing I found last week and meant to mention: After installing or changing PCIe cards, RESET SMC made all the difference in the world with the long boot delay. Some PCIe cards will add a few seconds, system has to search the device tree which now shows another controller with multiple devices - and sometimes NVRAM and SMC are what I will call "dirty" and need to be rebuilt and reset.

Non-Apple SSD upgrade of MacBook Pro and trim enabling

Hello.
I have a question about non-Apple SSD upgrade of MacBook Pro. I was planning to go and buy an SSD in a couple of days but I have coincidentally come up with a web page mentioning trim enabling to extend SSD life on MacBook Pros. Actually the article suggested that if trim is not enabled, the SSD performance degradation will start very quickly due to a high number of writing and deletion of data to the same location on the SSD. Apple's original SSDs are really expensive, I checked that. Is there anyone who upgraded with a non-Apple SSD and did not enable trim and realize the SSD performance degradation? Is there anyone who could easily enable trim and is using his Mac efficiently with a non-Apple SSD? I will be glad if you could share your experiences. I really want to improve the speed of my Mid 2012 13 inch MBP but I have to be sure before doing that. I am also planning to buy a Samsung Evo 840 250 GB SSD.
Regards and thanks in advance,
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Third-party SSD with Yosemite

Hi all
I would like to upgrade my MBP Early 2011 with an SSD. I read different forum posts about TRIM support in 10.10 for third-party SSDs. Can somebody tell me, if there are any SSD I can install without having TRIM disabled. What happens if TRIM is disabled or what does that mean to the performance and the disk itself?
Thanks for your answer,
Lukas

harem-doctor wrote:
...What happens if TRIM is disabled or what does that mean to the performance and the disk itself?...
This link gives a good explanation of what TRIM does and why it's needed on an SSD. In reading it, you'll notice that HD's and SSD's do not function in the same way and TRIM helps to compensate for the difference. These days all SSD's have some form of Garbage Collection built into their controllers but without the assistance of TRIM, they can't tell the difference between valid and deleted data so unnecessary data movement has to take place which decreases performance and increases wear on the SSD.

Upgrading to Yosemite with Third-Party ssd's

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I put this off long ago because I'm using Third-Party SSD's, and I know that there were issues with this on Yosemite. If possible, I'd like to update now, but I'm not sure if this is a stable system for what I'm using. Here are my current specs below:
Mac Mini Late 2012
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16GB 1600 MHz DDR3 Memory
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When I looked into this many months ago, I remember reading that Yosemite doesn't work well with non-apple SSD's, something about trim not working or otherwise. Does anyone know if this can be done now, or if there's a thread with a fix for this? Everything that I can find in searches is from a year ago.
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Hello,
I have a Macbook Pro earlies 2009, and I would like to update to Yosemite. I read that there are problems with third-party SSD.
I had to change my original HD to an Samsung EVO SSD.
Is this right?
Thanks in advance,
Best regards
Wolfgang

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Do i Have to TRIM my Third party SSD on my MacBook Pro 2011?

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