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Questions tagged [ssd]

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.

65
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3answers
125k 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?
52
votes
6answers
20k 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 ...
51
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13answers
56k 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/...
43
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4answers
78k views

Do MacBooks support NVMe SSD drives via the use of a Sintech adapter?

My question: Can anyone confirm or disprove the support of NVMe drives (like the Samsung 960) by the Sintech M.2 PCIe SSD MacBook adapters for macOS Sierra and High Sierra, or would you have any ...
34
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3answers
17k 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 "...
31
votes
4answers
11k 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 ...
29
votes
9answers
46k 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 FileVault 2. Now the data is encrypted, but I need to securely erase it so I can sell the computer. I ...
27
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10answers
101k views

Macbook pro stuck on 'About a second remaining' for an hour

I'm trying to upgrade my Macbook pro late 2011's hard disk to an SSD from Corsair. I have inserted the USB stick with the OSX Mavericks installer, and everything went great: I made a GUID single ...
25
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3answers
179k views

Is “flash storage” the same “SSD”?

I'm looking to see if the two are interchangeable and if not what the differences are. If the two in fact have a difference, perhaps adding devices or cases where each are normally used over the ...
23
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4answers
23k 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 ...
19
votes
7answers
32k views

Is RAM upgrade worth it if I have an SSD already?

I recently purchased a Macbook Pro. I had an SSD from my last computer which I formatted, installed into my Mac, and used as my one and only HD (I don't need that much space so I didn't opt to do the ...
18
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5answers
13k views

Why do I get different Available/Used spaces with Disk Info and df?

I have an early '13 MBP running Mavericks. Today, I got a SSD external drive today, and moved my virtual machines and Lightroom catalog files over to it to free up disk space, since 256GB goes fast. ...
18
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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 ...
18
votes
3answers
33k views

Why is a secure erase 'not necessary' for SSD's?

I'm about to trade in a 2010 MacBook Pro with an SSD. However, I'm unable to do a Secure Erase from the recovery disk (as I used to do with mechanical hard drives before selling or giving away a ...
16
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2answers
16k views

Will changing my harddrive to a SSD void my MBP 2011 warranty?

I want to upgrade my harddrive to a SSD. Does apple offer this service? I was going to do it myself, since its easy. Does this void my warranty?
15
votes
5answers
12k 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 ...
15
votes
1answer
2k views

Is defragmenting an SSD drive a bad idea?

I have heard that defragmenting SSD drives will shorten the life span of a drive. Just wondering if there is any truth to this and if so could someone elaborate as to why this happens.
15
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4answers
3k views

Reformat Mac SSD drive so fast - did it really work?

I followed the directions here for erasing my 500 GB SSD drive on a MacBook Pro: How to reinstall macOS I chose the strongest erasing option under the security options. I hit the erase button, and ...
15
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2answers
2k views

WhatsApp using huge space on my Mac SSD

My parents gave me a MacBook for Christmas with a 256GB SSD and a few days ago I notice I only have 40GB left on the SSD. I tried researching this and according to this question (How can I figure out ...
15
votes
1answer
23k views

How to know whether Mac has SSD or HDD installed

How do I know whether my Mac has a SSD or HDD installed without having to literally open my Mac? PS. Is there anyway to know it from Disk Utility?
15
votes
4answers
27k views

How much data has been written to my SSD over its lifetime?

Is there a Terminal command which will show me how many GB has been written to my SSD through the whole lifetime of the disk? I'm asking because I want to find out how many cycles have been done. SSD ...
14
votes
4answers
63k views

Changing SSD's and keeping everything

I have a mid 2010 13" MBP. I have an SSD, its not big enough so I am upgrading from 128GB to 256GB. How can I take everything from the current SSD and then upload it to the new SSD - effectively ...
14
votes
2answers
33k views

Installing High Sierra on OWC Aura SSD - missing firmware partition

I have an early 2015 Macbook Pro running Mac OS Yosemite. Last year I replaced the Mac's internal 500GB SSD with a OWC Aura 1TB SSD. Everything has worked fine up to now, although the OS still ...
14
votes
3answers
4k 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 ...
13
votes
2answers
26k views

Trying to securely erase hard drive, but Security Options not available (Mavericks)

Recently got a new Macbook Pro 13″ and I'm preparing my old Macbook Air for sale. I'm following steps in the Apple Support article on this topic (as well as other similar articles I've found). I'm ...
13
votes
5answers
34k 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 ...
13
votes
2answers
7k views

Do MacBook Air's SSDs fail?

I have seen many discussions describing SSD as fail-prone. I have read Jeff Atwood's warnings. Portman Wills' experiment looks alarming: Super Talent 32 GB SSD, failed after 137 days OCZ Vertex 1 ...
13
votes
1answer
6k 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 ...
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 ...
12
votes
5answers
7k 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 ...
11
votes
1answer
4k views

Power Nap support

I read that Power Nap coming with Mac OS Mountain Lion will require a Mac notebooks with flash storage. Do they mean that by upgrading an early 2011 MacBook Pro to a Crucial M4 SSD would allow Power ...
10
votes
3answers
15k views

How can I upgrade MacBook Pro disk space?

I have a fairly new MBP with a 256 GB SSD. I am running out of disk space now. Most of it is being used by Pictures and Music and I have done all the cleaning I could. What's the best way to upgrade ...
10
votes
4answers
10k views

MacOS High Sierra: An error occurred while verifying firmware

I have a Mid 2011 iMac currently running MacOS 10.12 Sierra. It’s not my main machine, but I would like to install 10.13 on it. Updating starts smoothly enough, but when it comes to restarting, I get ...
10
votes
3answers
6k views

What happens when you remove (or lose) the SSD from a Fusion Drive?

After storing data on a Fusion Drive, is it possible to downgrade your Mac to use the hard drive (HDD) by just removing the solid state drive (SSD)? In particular, I was wondering what happens when ...
10
votes
5answers
51k views

Cloning a half-full 500 GB drive to a 256 GB SSD drive

Before I buy a new SSD, I wanted to see if the following is possible: I have a 500 GB HD in my MacBook Pro that is using only 240 gigs. Can I clone this to a 256 GB SSD drive? (My goal is to replace ...
10
votes
4answers
34k 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 ...
10
votes
4answers
14k views

APFS Errors: fsck can't repair

TL;DR Asked the same question on Apple communities, nothing useful. Find the post here: https://discussions.apple.com/thread/8123614 bash-3.2# fsck_apfs -d -l /dev/disk5 fletcher64_init:58: ...
10
votes
3answers
6k 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 ...
10
votes
2answers
6k views

Tool for determining performance bottleneck

I am using my early 2011 MacBook Pro for iOS development, Photoshop work, and the like, and it is at times quite sluggish. Is there a tool that I can just run for a day, and then look at the ...
9
votes
10answers
16k 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 ...
9
votes
4answers
20k views

Is it possible to enable TRIM for an external SSD?

I have an iMac from 2011, Mac OS X 10.6.8, and an SDD in a FW800/USB3 case. Which interface can let me enable TRIM: USB2, USB3, FW800 or Thunderbolt ?
9
votes
4answers
5k 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 ...
9
votes
7answers
66k views

OS X Internet Recovery Globe stuck

I've deleted my recovery disk; or you can say more accurately, I've completely erased, by mistake, my SSD. Now, my only option is to recover via Internet, but the globe on Internet recovery keeps ...
9
votes
4answers
13k views

How to control fan speed in macOS Sierra?

After replacing the hard drive in my 2009 iMac 27", I noticed that the hard drive fan spins at maximum speed since the sensor cable is not plugged in. (The new SSD drive doesn't support it) To solve ...
8
votes
3answers
3k 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 ...
8
votes
7answers
25k views

3rd-party SSDs: enabling TRIM without disabling kext signing

Before reading this long question, please note that it is mostly outdated in light of the more recent developments reflected by the top answer. Unfortunately Apple has decided to create kext signing ...
8
votes
3answers
10k views

Is the retina Macbook Pro's SSD soldered into the logic board?

The Macbook Air's SSD can be manually upgraded. The RAM of the Macbook Air and retina MBP however are soldered into the logic board. Question Is the retina Macbook Pro's SSD soldered into the logic ...
8
votes
4answers
30k 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 ...
7
votes
4answers
3k 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 ...
7
votes
3answers
6k views

OS X lion and SSD

I recently got a Crucial M4 SSD for my mid-2009 MacBook Pro 13" (2.53 GHz). Since I paid some money, I would like to get the best performance possible out of it. Running a speed test using app store ...