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.

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770 views

Replacing HDD with SSD; what about non-APFS/APFS?

iMac 27-inch, Late 2013, macOS up-to-date I would like to back up my internal HDD (non-APFS) with Time Machine. Then erase the HDD. Then have the HDD replaced with a new internal SSD. Then restore ...
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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 ...
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2answers
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Move complete Lion installation to another physical drive

is there a way to completely move my OSX Lion to my new SSD without reinstalling? I came from Windows and Linux to OSX and i thought maybe it is possible to simply change the bootloader config after ...
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Upgraded my HDD to SDD. Can boot successfully via USB but will not boot when in MBP

I have a late 2011 macbook pro. I decided to upgrade to SSD. Here are the steps I took: Connected SSD via USB Formatted using MAC OS Extended Journaled (using disk utility) Cloned HDD to SSD using ...
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How to set noatime for startup drive in Mountain Lion?

I've followed instructions to set the noatime flag in Lion so I can reduce SSD usage but it isn't working for me on Mountain Lion. I'm still seeing this after restarting: $ mount | grep " / " /dev/...
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Glitches in OS X - memory or ssd?

My laptop is Macbook pro 15', Early 2011, with an SSD drive - OCZ Agility 3 240GB. I changed my memory too to 16GB (Corsair from Amazon). I experience glitches: Also Skype refuses to launch. I ...
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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?
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How to store sleepimage on secondary HDD on Mac OS X 10.6?

I have a MBP 2010 with Snow Leopard on it. I put an SSD in the place of DVD Drive and am using an awesome SSD(80GB)+HDD(500GB) combo for speed and efficiency for the right price. All I want to do is ...
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How to know if Drive is SSD or HDD through Terminal?

I would like to know if there is a way through Terminal commands in Mac OS X to find out if an external drive is SSD or HDD.
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Does the “Put hard disks to sleep when possible.” option in macOS have any affect on SSD drives?

So, I completely understand the value of putting a hard disk (specifically) to sleep in some cases especially in the pre-SSD days of the past. It can save power, lower noise and such. But in the case ...
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Can the data on an MacBook Pro SSD be recovered after formatting using Disk Utility

My MacBook Pro is going to a new owner and I want to be certain the data is adequately erased on the internal SSD (PCIe flash). There are two Stack Exchange questions/answers that appear to present ...
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Can I upgrade the SSD on late 2013 retina Mac Book Pro?

Do the late 2013 models (13" - (ME864LL/A, ME865LL/A, ME866LL/A), 15" - (ME293LL/A, ME294LL/A)) support after market SSD upgrades? If so, is a drive that works with the late 2012/ early 2013 rMBPs ...
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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 ...
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How can I check the health of my SSD disk

I replaced my disk with an SSD. Smooth transition, everythng fine. Now, I want to keep the disk health checked, since I know that SSD tend to degrade over time. Which utilities can I use for this task ...
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How to securely erase Apple NVME SSD?

I just got one of the new 12-inch MacBooks and would like to wipe the storage drive. With a conventional SATA drive I'd use the "ATA Secure Erase" command which can be sent from a Linux environment ...
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To TRIM or not to TRIM on a non Apple installed SSD in Lion

According to a source in OWC they do not recommend enabling TRIM on Mercury Extreme SSD as TRIM is only supported by Apple on Apple installed SSDs. They suggest that I am better off using the build ...
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1answer
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Disk Utility does not show OK message after Verify Disk

Rebooted and Verified Disk twice. There is no OK message and stops here: Is it a new behaviour under Mavericks, or something wrong? How can I fix it?
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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 ...
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Why is download speed not increased using an SSD? [closed]

I upgraded my hard drive from HDD to SSD. There is no change in download speed. Reviewer says SSD has very good write speed, but why does that not increase download speed?
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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,...
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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 ...
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How to mount PCIe SSD from MacBook Air in another computer

I got this SSD out of an Apple laptop that's broken from liquid damage. What is this connection called and how do I mount this storage device to retrieve data from it? It looks like PCIe. Does Apple ...
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Installing OS X on secondary SSD

I have a MacBook Pro 17" Late 2011. Today I removed to optical drive and installed a SSD (where the HDD was) and moved the HDD to the optical drive location. Now I want to make the SSD my primary ...
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Deleting files from mac but not from iCloud

I copied my files to the iCloud Drive directory: I want to save them in iCloud but I dont want to use my disk storage. How to delete files from my mac and keep it in iCloud Drive? Dont need to access ...
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Where can I buy a replacement Mac pro 2013 SSD drive?

Having acquired a second hand Mac Pro (A1481) I want to upgrade the internal SSD drive from 256GB to at least 500GB. I have spent hours searching online, and can't find a provider other than OWC The ...
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What is spotlight indexing and should I turn it off?

So I want to know what indexing really does, from my understanding it keeps tabs on where all your documents are at. I use spotlight all the time to look for different files or to open programs, and I ...
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3answers
242 views

Do I need to allow free space as an over provision on MacBook Pro's built-in SSD?

I have a 2017 15" MacBook Pro with a built-in 1TB SSD. As I understand, with SSDs, the best practice is to leave a portion of them free as an "over provision". Do I need to do this with the built-...
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1answer
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Good application for detecting state (health) of SSD disk?

On my MacBook, I want to see the health status of my SSD. How can I do this? Which app to use?
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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, but ...
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1answer
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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 ...
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3answers
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iMac 27" late 2012 SSD upgrade

I'm the proud owner of an 27-inch iMac 2012 with high-end configuration, but the 1TB fusion drive keeps being the bottleneck. As my warranty has expired now, I want to upgrade the 128GB SSD to a ...
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OS X 10.9.4 shows wrong used disk space

The used disk space reported in About My Mac is inconsistent (MacBook Air, mid 2012). Notice that the used space for Apps is greater than my disk size. I tried different ways to fix it (Disk Utility, ...
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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 that ...
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Mavericks frees >12GB of SSD

Something very bizarre has happened. Today I upgraded to Mavericks. Before the upgrade my 64GB SSD reported about 5GB free. After the upgrade it reports 18GB free. While this is fantastic, could ...
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2answers
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Why do I get back more disk space when I restart my Macbook on Mountain Lion 10.8.3?

I frequently run low on disk space on my laptop. When I'm down to my last gig or so on my 256MB SSD (as reported by iStat Menu), I'll get various warnings from the OS and apps saying that I'm running ...
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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 ...
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3answers
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MacBook Pro SSD - Very High Wear_Leveling_Count Value?

I have a 512GB Samsung SSD in a 2014 MacBook Pro that I purchased new around 2 months ago. I installed Smartmontools via Homebrew to take a look at some of the SSD health / SMART data. Everything ...
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1answer
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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 ...
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2answers
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MBP with Mountain Lion 10.8.3 loses connection to system SSD at random times and freezes

So, out of nowhere my 2009 MacBook (2,66 GHz Core 2 Duo, 8 GByte aftermarket ram) started freezing after 200+ days of uptime (sleep time included of course). I had installed a Crucial CT256M4SSD2 ...
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Does the iPhone support TRIM for flash memory?

I'm asking if TRIM is enabled on iOS because, ever since I ran out of memory on my iPhone (have since cleared a few GB back), it seems to be slower than it was before. My suspicion being that, with ...
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Can I swap the SSD from mid-2013 Macbook Air and mid-2014 Macbook Pro?

I bought a Macbook Air with a 256 GB in mid 2013. I bought a Macbook Pro with a 128 GB in mid 2014. I'd like to swap the SSDs if possible. Are the parts compatible? I'm looking at these two guides ...
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Why does iStat Menus disable S.M.A.R.T. on my Mac?

I have set up a launchd job which checks my S.M.A.R.T. status. After I installed iStat Menus my launchd job immediately threw me a popup saying me to backup all my files. I checked with Disk Utility ...
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4answers
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Does moving my home folder to an non-boot drive decrease performance?

I'm going to get an SSD, making that my boot drive and moving the existing hard drive to the optical drive bay. I will keep my data on the original hard drive. MacPerformanceGuide.com says "If the ...
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How can I verify that a DIY Fusion Drive is working as it should?

I installed an SSD in my 2011 Mac Mini to run alongside the stock 500GB HDD. After carefully reading through a number of tutorials, I used Terminal to merge them into a single "Fusion Drive". I cloned ...
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1answer
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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 ...
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4answers
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Should I enable TRIM with a third party (non-Apple) SSD?

I have an Intel 320 Series 120 GB solid state drive installed in the optical drive bay of my 2012 MacBook Pro 13". I'm not sure whether to use TRIM Enabler to enable TRIM. I did enable it before on ...
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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 ...
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3answers
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Put Lion “Recovery HD” on USB

In an attempt to save some space on my ssd, I used SuperDuper to clone Recovery HD to a USB drive. But when I booted up my Mac holding the option key I only got the ssd and Recovery HD as alternatives....
5
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1answer
566 views

Test a USB-drive/SSD for bad sectors/blocks?

A pretty expensive (Samsung) USB-drive I have causes weird errors. The problem might be a computer I have connected it to (this computer's SSD broke down in a similar way) but to rule out that it is ...
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2answers
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Can Recovery Mode install OS X onto a blank SSD?

I want to install a new Solid State Drive (SSD) into the Mac. Can I just build in the SSD, start the MacBook in Recovery Mode and install OS X from there on? After reading a lot on the internet I ...

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