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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Migrating Bootcamp to new SSD

I bought a Mac Pro (Late 2013) about a year ago. I recently ran out of space on the built-in 250gb SSD (Windows was the culprit of that), so I bought a 1tb ssd replacement from eBay. I just installed ...
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74 views

MacBook Pro upgrade to SSD migrating OSX and Bootcamp partitions

I wasn't able to find the info I needed here or on Apple's own forums or via Google, so here goes. I have a MacBook Pro 15" early 2011 model with a 500 GB internal hard disk drive (non-SSD). ...
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58 views

Error / Hang Installing Yosemite and Mavericks on Mac Pro SSD

Having had a hard drive failure, I'm attempting a clean install of Yosemite on a 2010 Mac Pro, with a brand new 120GB OWC SSD. I've tried using a Yosemite boot disk, using both an external hard drive ...
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1answer
22 views

Use of Apple flash storage for data

I am Android Developer and I am working on Apple machines. Recently I bought a MacBook Pro with 128 GB flash storage but without HDD. The use of the laptop will be only for work and for surfing in the ...
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76 views

Disk Utility not letting me partition my SSD or modify the current ones

Just yesterday I finally got my hands on a MacBook Pro in which I was planning to install Ubuntu and Windows aside from OS X for studying purposes. I was barely beginning by partitioning the disk, or ...
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1answer
60 views

Implications of using a USB SSD drive to run VM images off

I'm running VMware Fusion on my Apple Macbook Pro (15 inch, Mid 2012, OSX 10.10.2), and have several VM images that are stored on an external USB3 disk (WD Passport). The external disk is fine for ...
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3answers
481 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 ...
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14 views

In MBP, SSD can only be used to boot by USB, not as an internal drive

I have a Macbook 17" (early 2011) and I recently upgraded the default HDD to an SSD. This worked for a couple weeks but then I started getting a folder with a question mark on it during boot and the ...
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31 views

SSD Performing Poorly

I have a MBP 17 2010, equipped with a Vertex 2 SSD 120GB as boot disk. It's an old hardware but I don't want to change it, the problem is the SSD is performing poorly : The SSD health report is ...
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2answers
33 views

Negotiated link speed considerations for SSD choice?

If my negotiated link speed is 3 GB (instead of 6 GB), does this still mean I'm using SATA III on my early 2011 Macbook Pro 17-inch laptop? I ask because I'm currently upgrading my HDD with an SSD ...
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125 views

Should I disable Virtual Memory on SSD in OS X Yosemite?

Should I, or do I need to, disable memory swapping when my OS is installed on an SSD? I run OSX 10.10.2 with 16GB of memory. Currently, Activity Monitor reports I have 16GB of virtual memory ...
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94 views

On Macbook Pro, how to tell if my hard drive access speed is a bottleneck to my current computer performance?

I'm considering giving my 2010 Macbook Pro an upgrade. Whether upgrading its 500 GB hard drive to SSD drive is a priority depends on how much it bottlenecks the computer's performance. Is there a ...
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31 views

MBP late 2008 HDD and SSD setup

I just upgraded my old MBP to SSD and put my old HDD in my optical drive space for a duo-HD setup. I am running Yosemite on the SSD. I wanted to use my HDD as a Window 7 setup. However, when I go ...
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1answer
42 views

Xcode 6.1.1 writes too much data to disk

Recently I noticed that Xcode writes too much data to the disc. Within just 40 hours it wrote more than 13GB to the disk. I restarted Xcode to see what actions cause this insane data transfer. I ...
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1answer
62 views

Macbook Pro 13 Mid 2012 SSD upgrade

I have a MacBook Pro 13 Mid 2012 with 4 GB RAM. I want to upgrade it to a SSD drive. I have 2 questions: Is it advisable to do that? Can someone who has done that give me some feedback from their ...
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2answers
175 views

Orphaned inodes in SSD in MacBook Pro Early 2011

I have a Macbook Pro 15″ Early 2011. Last year I changed the disk to put a new Samsung SSD (Evo). Recently my computer was really slow. I rebooted on the recovery partition, and tested my disk with ...
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59 views

Macbook Air dramatically slow on OSX and run fine on Windows

I am experiencing a problem since few days. After a crash on OSX (Yosemite), I have switched off the Mac, then trying to switch it back on without success (Apple logo with progress bar seemed to be ...
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3answers
48 views

installing a SSD as main drive

I have iMac (27-inch, Mid 2011) 2.7 GHz Intel Core i5 12 GB 1333 MHz DDR3 and I have installed a 128GB SSD into the system. Formatted it for mac and it is sitting empty right now. I have the main 1TB ...
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58 views

How to get SATA III on Mac Pro 5.1

I just put a nice new Samsung 850 SSD drive into my Mac Pro 5.1 and noticed that it maxes out at 250MB/s write/read. The drive should be capable of speeds around 500MB/s, so the culprit here is surely ...
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1answer
39 views

SSD install and user info transfer

I have a iMac (27-inch, Mid 2011) 2.7 GHz Intel Core i5-12 GB 1333 MHz DDR3 I have installed a Samsung SSD 850 Pro 128GB drive . I put a new install of Yosemite 10.10.2 on the SSD and have it booting ...
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49 views

SSD Performance

So I've got this SSD that I put into my Macbook Pro. It's a Samsung EVO 840, 256GB. It has before been used in another computer for about a year. That computer used a storage controller that did not ...
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38 views

Why Does A New Mac Pro Only Support a Single Internal Drive?

Every graphic-heavy application I have used has recommended storing files it uses on a separate disk from the boot disk (preferably an SSD), however with the new MP this isn't an option. The only way ...
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1answer
50 views

Will I be able to access my Time Machine backups after changing Hard Drive

I have a 2010 MacBook Pro - I am planning on swapping out the Optical Drive for an SSD in the near future, and then re-installing OS X across the Hard Drive and SSD (in a Fusion Drive format). I have ...
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66 views

Unable to save or You don't have privilege to save file

PREMISE: My mac has two HDs, an SSD for system and an HDD for storage (and user folder). I'm using an Utility which takes some strings and create a text file to localise that strings. Trouble is ...
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101 views

Facetime audio takes up SSD space

I was just using FaceTime audio and my phone told me I was running out of space. I was curious as to how this was possible as I knew I have about 2GB free yesterday. I kept going back in and ...
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2answers
49 views

Caching HDD Files on an SSD

Given a system with a fast internal SSD, and a slower external HDD, is it possible to improve the HDD's performance using free space on the SSD without creating a Fusion Drive? In my case the external ...
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17 views

DriveDx shutdown count is very high

DriveDx claims that there have been 2051 power cycles on my Fusion SSD in 17 months. For the Fusion Hard drive part it claims 6402 power cycles count. SSD power on time has been 12250 hours and ...
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1answer
99 views

SSD or upgrade RAM (slow hard drive)

I have a late 2012 MacBook Pro (13" baseline model), and it has served me well, but in the last few months it has been very slow. I'm pretty sure it's the hard drive that's slow, because I have tried ...
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1answer
134 views

MacBook Pro SSD boot issues

So I have a MacBook Pro (Late '12), has run seamlessly with all OSes that I have put on it, (not to say that this problem is due to the OS). (I'm trying to be as detailed as possible so bear with me.) ...
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1answer
52 views

SSD formating trouble and mysterious disks

Two days ago suddenly Apple services started to fail on my Mavericks machine. I couldn't shut down (logind - or something like that - crashed but could not be force-quit). I shut down twice from ...
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1answer
43 views

Convert Mac Pro internal boot drive into an external harddrive without wiping

I have a 2008 Mac Pro running Yosemite. I just purchased a solid state hard drive which I want to become my boot drive. I do not want to transfer the data from the original boot drive to the solid ...
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246 views

How do I install Windows 8.1 on an USB flash drive instead an internal or external hard disk?

I'm using MacBook Pro (Retina, 15-inch, Early 2013) with OS X Yosemite (10.10.1) and I would like to run Windows 8.1 off USB Flash Drive and not my internal SSD. So, I ran Boot Camp Assistant, went ...
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119 views

SSD: MacBook Pro Retina 15“ (A1398) and 13” (A1425) compatibility?

Can I use an SSD from MacBook Pro retina A1398 in a A1425? Will it work ?
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2answers
322 views

New SSD: How to get into OS X Recovery?

I am going to be installing a SSD into my 2011 15" Macbook Pro. After I install the SSD, how should I boot into OS X Recovery? Should I use Internet Recovery even though my Mac came with OS X 10.7; ...
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64 views

TRIM won't turn on Samsung 256GB 840 Pro

I've just changed to a SSD and am trying to enable TRIM by following this guide - https://digitaldj.net/blog/2011/11/17/trim-enabler-for-os-x-lion-mountain-lion-mavericks/ Everything executes fine ...
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2answers
48 views

SSD upgrade for mid 2012 MBP

I recently started getting performance issues with my MBP while running apps like Xcode and Eclipse. A quick diagnostic of the system showed that it thrashed over 458k times. Vendor Specific SMART ...
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1answer
40 views

How to securely erase an arbitrary SATA drive, utilizing the drive firmware to do so?

The problem with using Disk Utility or dd if=/dev/zero to erase a disk is that: It applies unnecessary wear to SSD drives. It sends the drive's capacity worth of zeroes over the drive's interface. ...
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1answer
89 views

SSD upgrade for 2013 21" iMac?

I have got an iMac (EMC 2638) here, with 1TB hard drive. I have read that there is a PCIe SSD slot on those iMacs as well, originally for the fusion drive. Is it possible to upgrade my iMac with such ...
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1answer
35 views

How to install SSD on late 2007 MacBook Pro (15 inch)

I have a slot on the left-hand side of my MacBook Pro (late 2007, NOT a unibody) and am wondering: is this slot suited for an SSD that I can simply stick in? Or would I have to install an SSD ...
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20 views

Internal SSD not visible

When I boot up my Macbook Air (circa Sept 2013, running Mountain Lion), I get a folder with a "?", indicating the SSD is not visible. This started when I tried installing an Office upgrade, and ...
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2answers
212 views

Has anyone zero'd the cells on an SSD? [closed]

Has anyone zero'd the cells on an SSD? I've read that this is possible essentially making your ssd "new again"—has anyone tried this method? ...
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0answers
189 views

Unable to partition hard drive with Yosemite (Disk Utility hangs)

I have a 2007 model Macbook Pro running Yosemite 10.10.1. My father recently upgraded my hard drive for me from the stock 320GB hdd to a hybrid 500GB hdd. He's not really a Mac user and said there ...
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0answers
49 views

My PCIe SSD crashed during OS reinstall, now will not mount, unmount, repair

While I'm pretty sure I totally broke the partition table, I've been unable to fix it using tools like testdisk and diskwarrior. My machine crashed during installation of 10.8 OSX on a mercury ...
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1answer
67 views

Cloning my SSD into bigger one

I have a 128gb SSD running MacOSX, I have another 2TB spinning disk too, I have a bunch of symlinks so that ordinary directories that do not need SSD speed are put on the 2TB disk (Downloads, Desktop, ...
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97 views

Trim Enabler w/disabled kext signing - is it possible to get warning of or track source of kext installs? - security with kext-signing disabled

The goal is to track when kexts are installed and determine whence kexts came. For instance TRIM is disabled for 3rd party drives in OS X Yosemite. To use a utility like Trim Enabler one must disable ...
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2answers
80 views

About to sell my 2013 rMac. Is 3 pass zero enough?

I plan on selling my late 2013 rMBP soon. I was wondering what your opinions are on me using a 3 pass zero on a SSD? Is it enough? I do have some sensitive data on there (bank info, passwords to ...
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3answers
63 views

Macbook Pro 13" Mid 2014 disk defect?

I just bought a MBP 13" mid 2014 with a 128 GB SSD. When doing a disk speed test with the Black Magic Design-app, I only get about 210 MB/s write and about 510-550 MB/s read. All the benchmark videos ...
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2answers
114 views

28 pin SSD adapter or enclosure needed for Late 2014 MBP

I've been trying to find an adapter for a Late 2014 MBP Retina SSD. Standard msata didn't fit, and from a few consumer reviews of other enclosures and adpaters, it seems to be uncertain if one exists. ...
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315 views

Is Disk Utility's “Repair Disk” a viable TRIM solution for Mac OS X Yosemite?

I'm upgrading a 2010 Macbook with an Intel 730 SSD. Since Trim Enabler is still available but more risk, I'm trying to get by with just Disk Utility. My question was prompted by this hint which ...
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2answers
311 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. So I am wondering what are my options to sustain ...