Solid State Disk, a generic term for computer storage devices that have no moving parts and do not involve a "hard disk". A hard disk, in contrast, is a device incorporating a spinning platter or platters that store information magnetically.

learn more… | top users | synonyms (1)

7
votes
5answers
4k views

How to keep an SSD in shape on Yosemite?

As of OS X 10.10, Apple uses kext signing. Ever since it has become difficult and dangerous to manually activate TRIM for third-party SSDs on OS X. That means users with non-Apple SSDs will sooner or ...
29
votes
3answers
9k views

Optimize macbook pro for internal SSD+HDD drives

I upgraded my MacBook Pro by replacing the SuperDrive with an SSD. I'm now using the SSD as the boot volume and have all my applications. My home folder is on the HDD. My question is how to best ...
3
votes
2answers
2k views

How do I install Windows 10 on MacBookPro5,1, with no optical drive (SSD+HDD)

I have a huge problem. I am not able to install Windows 10 on my late 2008 MacBook Pro with bootcamp. I have replaced the optical drive as it was not working with a 1 TB HDD and i have a SSD drive ...
41
votes
13answers
46k views

Why would I disable swap file in Mac OS X?

I came across a thread about installing an SSD drive in MacBook Pro. Someone in the comments also recommended to disable the swap file but didn't say why: sudo launchctl unload -w /System/Library/...
47
votes
8answers
18k views

Can I make a DIY Fusion Drive?

I have a Mac Mini with two drives: a 256GB SSD and a 500GB HDD. From what I've read, the new Fusion Drive does all of it's magic in software, using the Core Storage APIs. Can I get my setup to ...
30
votes
3answers
12k views

How to securely erase an SSD drive?

I'm pretty new to SSD technology, so I don't know how it compares to hard drives when it comes to securely erasing the drive. Is it enough to run Disk Utility and erase the drive with the option "...
12
votes
1answer
5k views

Replacing SuperDrive with secondary storage?

I'm familiar with the OWC Data Doubler, a kit which allows you to remove your Macbook's SuperDrive and replace it with secondary storage. What alternatives exist for this product? A complete answer ...
34
votes
3answers
69k views

Does FileVault encryption slow read/write access on an SSD?

Never fancied enabling FileVault on previous Macs but now I'm running OS X on an SSD. Is there a noticeable decrease in speed?
6
votes
6answers
10k views

Macbook Pro Upgrade - 16GB RAM or 128GB SSD

I am asking myself which constellation is better: should I stock up my RAM up to 16GB (from 8GB), or should I buy a SSD with 128GB?? I really dont know :/ Cheers! BTW: My macbook supports 16GB RAM,...
3
votes
1answer
2k views

Large difference in reported free disk space

I have a strange discrepancy in the amount of free disk space that's being reported. The finder says: My iStat Menus says: Which is the same as df -h reports: remco@Prosperpine ~ $ df -h ...
8
votes
4answers
20k views

How long will an Apple SSD last?

Like all tools, an SSD will wear out from use and eventually fail. Are there data on roughly how long the SSD's that Apple ships in it's portable line last? From my research, it seems that the ...
7
votes
3answers
4k views

Turning off hibernate on a MacBook Pro with an SSD

I've been reading several articles on the Internet how to "optimize your Mac with an SSD". I'm not sure whether or not to agree with the articles because I think that Apple knows what's the best ...
14
votes
3answers
3k views

What happens at the user/OS level when an SSD finally wears out?

I have been reading up on SSD technology current as of 2011 and don't know of any first hand reports on what happens when an SSD eventually fails due to over use. I am most interested in the SSD that ...
3
votes
2answers
5k views

MacBook SSD replacement — sudden motion shock sensor in optical bay?

When looking to upgrade a MacBook Pro with a solid state drive (SSD), one option is to: First, install the SSD instead of the spinning hard disk drive (HDD). Then, install the HDD instead of the ...
2
votes
4answers
6k views

Trouble with SSD/HDD in Macbook Pro Mid 2009

When my original HDD crashed I wanted to change it and choose a Samsung HDD (I don't not the exact model anymore). The problem with this one was that the system often hanged for several seconds until ...
4
votes
2answers
3k views

Issues with installing SSD instead of DVD drive?

It is common to replace a MacBook Pro's hard disk drive (HDD) with an solid state drive (SSD), however, that may pose a threat to the HDD if installed in the optical bay instead of the SuperDrive.* ...
6
votes
3answers
2k views

How does TRIM Enabler work?

I recently bought a third part (OCZ) SSD and used Trim Enabler to, well, enable TRIM. I've noticed that some software updates can cause TRIM to be disabled, and have thus been curious about how TRIM ...
21
votes
4answers
18k views

MBP SSD upgrade - which settings to change?

After replacing the harddisk drive in MacBook Pro with a Solid State Disk I am wondering which settings I should change and how. Thinking of things that are supposed to protect the SSD like ...
7
votes
4answers
4k views

Does FileVault 2 interfere with TRIM when using an SSD?

Let's assume I have an SSD that supports TRIM-supported drive, and I create a single encrypted partition that fills the entire disk (minus the obligatory GUID and recovery partitions). Is FileVault 2 ...
17
votes
5answers
2k views

Does the use of SSD give one a dramatic performance boost?

I use Mac book pro 15", and it's time to buy a new one. For HDD, now I see a new option of SSD, which is pretty expensive. I can expect shorter boot-up time and faster access of files, but I'm not ...
6
votes
4answers
23k views

BootCamp, can't partition SSD

I've upgraded my OS X to the latest Yosemite GM Candidate and cannot for the life of me figure out how to partition my SSD for BootCamp. Here are some screenshots of the problem: And when i try to ...
6
votes
5answers
7k views

Copy Crucial SSD Firmware Update ISO to Bootable USB

I want to start with the Crucial SSD Firmware Update and copy the ISO to a bootable Mac USB stick, using a minimal set of tools. I hope that means using only built-in Mac software, such as Disk ...
2
votes
2answers
2k views

Can't see new SSD when connected via internal SATA port

I just bought a new Samsung SSD 830 and installed it my 13" MacBook Pro (Mid 2010) in the hard disk bay, replacing the drive that was there (I actually have a second drive in the optical drive's slot)....
6
votes
4answers
2k views

Can I configure an SSD and HDD to be one logic volume in Lion?

I recently purchased a 120GB SSD that will replace my optical drive in my MBP. It also has a 500GB 7200RPM hard drive. Is it possible to have a single logical volume that uses both physical disks in ...
6
votes
2answers
4k views

What terminal command or program can list an SSD's Power On Hours?

I'm looking to script using the unix shell the retrieval of SSD (and HDD) data that disk utility shows in the information window. I'm immediately interested in the Power On Hours and Power Cycle, ...
5
votes
3answers
14k views

What is an SSD drive's negotiated link speed?

When I look at my Apple SSD TS256C (Toshiba) in the System Profiler on my MacBook Pro (Late 2011), I see: Link Speed: 6 Gigabit Negotiated Link Speed: 3 Gigabit Why is that? Does that mean ...
4
votes
1answer
12k views

What brand of SSD does apple use for their LATE 2011 MacBook Pros? [closed]

The ones that came out on October 2011. Models #: MD311*/A, MD313*/A, MD314*/A, MD318*/A or MD322*/A The SSD options are listed here with no detailed information: http://store.apple.com/us/...
4
votes
1answer
11k views

Ridiculously slow MacBook Pro

I have a MacBook Pro (I think mid 2012). About three months ago it started running really slow, so I renstalled the OS with a recovery partition. For a few weeks it ran very well with an overall very ...
5
votes
1answer
2k views

How can I do a fresh install of OSX Mountain Lion onto my SSD for my Macbook?

My macbook is sluggish and has so much stuff that I don't use anymore and just want to start over from scratch basically. I did a time machine backup just in case something goes wrong. New blank SSD ...
3
votes
3answers
1k views

OS X install on SSD hangs every time

I've got an early 2011 13" MBP with a 120GB SSD, formerly part of a DIY Fusion Drive, that I'm trying to install Yosemite on. Every time I try to install from my bootable drive, it hangs at the exact ...
3
votes
1answer
554 views

Prevent automatic removal of the Spotlight index due to low disk space

I am guessing that when disk space runs low, it automatically deletes the Spotlight index to make room for virtual memory. Then when space becomes available it reindexes. But I'm not sure about that. ...
3
votes
3answers
6k views

New Macbook Pro 2012 Operating System onto new SSD?

A friend has just bought a brand new Macbook Pro with Mountain Lion OS. We are going to install an SSD to replace the standard HD that it shipped with, however, it looks like Apple don't ship with the ...
2
votes
1answer
1k views

Fan speed increased after upgrading to SSD

I just replaced my Macbook Pro's Mid 2012 HDD with a Samsung 850 EVO SSD. The performance is great and I am very happy, but I noticed that the fan seems to run faster. It is not a drastic change, but ...
2
votes
1answer
178 views

New SSD problem

I've just installed a new SSD replacing an HDD in my old (late 2008) iMac. When I switched it on all I got on screen was a question mark. On the advice of my son I tried cmdR during switch on with ...
1
vote
0answers
308 views

How to keep /Volumes symbolic links from getting auto-deleted?

I moved my /Users directory to a separate disk/partition (to get it off my SSD boot disk) as per this post. However, some things (like double-clicks of .html files to be viewed in a an Opera browser) ...
1
vote
1answer
606 views

SSD adapter for optical drive

I'm going to add a SSD drive to my macbook pro. I'm wondering if the optical drive adapter can have any influence on the disk speed, taking it down from a SATA III to a SATA II or I.
25
votes
8answers
43k views

Is there a way to securely erase an SSD on my MacBook Air?

I have a late 2011 MacBook Air with an SSD and Lion. I used it for a while and then I activated File Vault 2. Now the data is encrypted, but I need to securely erase it so I can sell the computer. I ...
15
votes
5answers
11k views

Is a 3-5 second delay normal for a Retina MacBook Pro to wake up from sleep?

For 3 days, I now got a new rMBP. I am a first time Mac user. I had a friend with a MBP and it usually wakes up in a mere second, as soon as he opens the laptop's lid up. However in my Retina MBP, it ...
12
votes
2answers
2k views

Will FileVault 2 wear out my SSD faster?

I'm considering using FileVault 2 when I upgrade to Lion. Though my understanding of it is weak, it seems as though it shouldn't really increase the number of reads or writes per disk operation ...
6
votes
5answers
24k views

Is there a utility for mac that shows the information of an SSD like the health etc…?

I am wondering if there is a utility for the mac that allows you to see the details of an SSD like the health of the drive, TBW (total bites written), how many running hours etc... In researching for ...
6
votes
4answers
1k views

How can I best use an SSD?

I have a Mac Pro, and I've added an Intel 80GB SSD to improve performance in LightRoom and Photoshop. So far so good. But after moving all of my current work, catalogs, etc. to the SSD, I still have ...
7
votes
4answers
1k views

How do I know if I need a new hard drive?

I just received a MacBook Pro from somebody else because it was running too slow. Booting up takes about 4 minutes. I have tried formatting the drive and reinstalling the operating system from ...
4
votes
7answers
20k views

Is it worth it to upgrade a mid-2007 MacBook (MB061LL/A) to use an SSD?

I would sincerely love a new MacBook, but I can't justify spending the prices that are being touted by Apple what with life to pay for and everything. I upgraded my memory to 2GB a while ago, but am ...
3
votes
1answer
966 views

How often and for how long does Trim Enabler need to run?

As of Yosemite, DIY, or non-Apple installed SSDs have Trim support challenges using applications such as Trim Enabler. Assuming one keeps their TRIM supported SSD in Yosemite, what is a good ...
7
votes
2answers
1k views

Do the 2011 MacBook Pros support a user-installed SSD in place of the HD

On the iMac there is some thermal sensor that connects to the hard drive and makes this a bit tricky since non-Apple SSDs don't have that feature. Is this true for the 2011 MacBook Pros?
6
votes
1answer
17k views

What is the connector used by the MBA's SATA drive?

I wonder what kind of connector is used in the latest MacBook Air for the SATA drive. SATA Express? When I first saw the gumstick SSD drive I thought it was using a SATA Express connector. But when ...
5
votes
8answers
10k views

Is installing a HDD instead of SuperDrive safe?

It's pretty popular to replace ones optical drive* on the MacBook Pro with a HDD, but how serious are the risks? *In most cases, you'd do this when installing a third-party SSD, but I'd like to leave ...
5
votes
4answers
11k views

How to upgrade firmware and reperform a Samsung 840 Evo on a Mac

i got one of these Samsung 840 Evo Basic 500GB on an iMac (used externally in a TB case - standalone, not Fusion). I know there's a firmware update out which is already available for Mac users too ...
2
votes
2answers
2k views

After enabling TRIM should I delete free space?

I have installed a third party SSD in my Mac. I have used it quite a while before I enabled TRIM. Does that mean that the SSD cannot reuse any files I have deleted until now? Is it necessary to ...
9
votes
10answers
14k views

What is the benefit of using flash memory in the Macbook Air?

I don't understand why Apple does not use SSD drives in the Macbook Air like some other manufacturers to (e.g. Asus, Samsung). The technical specifications of the Macbook Air on Apple's website never ...