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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.

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How to improve Parallels disk access on PCIe SSD?

I am running High Sierra and a PCIe AHCI SSD and the latest version of Parallels Desktop 14 running Windows 10. My SSD benchmarks at around 1,060MB/s read and 800MB/s write on the Mac. However, in ...
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How to determine if an NVMe SSD is compatible with High Sierra?

I have learned that macOS High Sierra has built-in drivers for NVMe SSD. It's my understanding that one still cannot boot from NVMe drives in a Mac Pro, unless one takes additional steps. However, I ...
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Possible to boot Mac Pro from two PCIe M.2 AHCI PCIe SSD in RAID 0 on macOS High Sierra?

I have an M.2 AHCI PCIe SSD and I am considering purchasing a second one to install both in a 2009 Mac Pro in a RAID 0 configuration using Disk Utility similar to the setup in this video. I have used ...
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Internal SSD not recognized

I have been struggling with my internal ssd for 1month now. Config : MBP Retina 13’’ mid 2014 - 16gig RAM - SSD 512gig - High Sierra. Never opened the case, everything is original. The full story : ...
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Can MacBook Pro get slower after SSD is almost full?

MBP 13, 2015 with 128 GB SSD and 8 GB RAM. I have noticed, that after only some 20 GB of SSD was free my Safari browser was very slow. RAM was used 4-6 GB from 8. Is it general possible, that SSD ...
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Calistouk adapter mSATA SSD for 2012 MacBook Pro Retina A1398 [closed]

So I just bought one adapter to replace the failing SSD hard drive. The ASIN number is B07BFS841S. However here is what it looks like after I received it: See how the nuts for the screws are only ...
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1answer
25 views

Erased disc incorrectly now I have “Apple ssd ap0128J Media” instead of Macintosh HD and broken software

I was preparing my laptop for a sell and booted into recovery mode. I then went into disk utility, selected my Macintosh HD and erased it. When I rebooted I got stuck on a screen with a "prohibited" ...
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3answers
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How many writes do I have on my 250GB SSD hard drive on my Macbook Pro High Sierra

I would like to know how many writes I have on my Mac's SSD hard drive? I would also like to know if there is a terminal command I can run to find out this information and how many writes I have left ...
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1answer
88 views

Windows 10 Boot Camp on Mac mini Fusion Drive is running very slow. How to replace HDD / upgrade disk to SSD without reinstalling OS?

Hardware: - Mac mini (late 2014) - Core-i5 - 8GB Logical drive: - Fusion Drive 1,15TB Physical drives: - 128GB PCIe - 1000GB HDD Partitions and systems: - 250GB HFS+ macOS High Sierra - 850GB NTFS ...
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MacBook Pro internal Hard Drive booting up in READ-ONLY Mode

I just recently replaced my mid-2012 MacBook Pro's HDD to SSD. I used SuperDuper! to clone my disk into the new SSD and everything seemed to have worked fine, until some repeated boot ups. What I am ...
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106 views

How to fix my corrupted APFS container?

I'm using MBP late 11 running 10.13.2 on Samsung Evo 850 250GB internally. Everything was fine for months but few days ago something horrible occurred. I'm so shocked and urgently need your help. ...
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18 views

install mac os el capital from SSD [closed]

I bought the 450GB SSD that already have mac os el Capital file for laptop, I also bought SSD USB to connect the laptop. Before installing it, how do I can install or set Mac os el capital from SSD ...
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1answer
56 views

Slow write speeds with APFS encryped external SSD

I bought an external SSD with a USB 3.1 gen 2 enclosure. I'm on macOS 10.13.6 with a MBP (late 2013). Using APFS I get write speeds of around 390–405 MB/s. So far, so good. However formatting the ...
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20 views

Boot partition missing:

My 2010 Mac Mini (High Sierra 10.13 and upgraded 500GB Intel SSD 840 EVO) won't boot into the mac side. I bootcamped it several years ago with a copy of Windows 7. It can still boot into the Windows ...
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2answers
66 views

External SSD with OS installed not working?

Four months ago I bought an external SATA case with USB-C compatibility so I can install my iMac OS there, did this because my iMac has built in HDD and was so slowww.. With the case I started using ...
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Multiple kernel panics caused MacBook Pro 13'' Mid 2010 13'' to not boot anymore

For the last months I have had a problem with my MacBook Pro crashing when I applied pressure on the back described here in more detail: MacBook Pro Mid 2010 13" freezes/restarts when applying ...
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1answer
21 views

Migrating data from old Mac to new

Potentially moving from a 2010 iMac with a 1TB drive to a 2015 with a 512GB SSD Drive. Even after I clean out some cruft, it'll be pretty tight, if I make it at all. Do I have to do this manually, ...
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Faster or Bigger? [duplicate]

I had my question put 'on hold' because someone deemed it opinion oriented, so I'll rephrase it - For video editing, is it better to have a faster hard drive or a larger one? I hope to learn editing ...
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42 views

Is a DiskWarrior warning about spare blocks applicable to SSDs?

I got the following warning from DiskWarrior on my Mac Pro in which I installed a SATA SSD: I know some sort of reassignments are normal on an SSD as it comes from the factory. However, I don't know ...
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30 views

Using an SSD with my Macbook Pro, sometimes the write speed is downgraded to 10kb/s. Is it normal?

I am using a Samsung T5 500GB external SSD drive with my Macbook Pro, and when the drive is full, sometimes I move files to my other hard drives, and the "Info" already showed that the SSD drive had ...
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31 views

No Reboot on MacPro using a new Samsung 860 EVO SSD

From the standard hard disk I can start, restart, and shutdown with no issues. From the new Samsung EVO 860 I can start and shutdown, but I can NOT restart. It freezes with a black screen. If I ...
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Restoring from Time machine 2009 iMac, 254 SSD, 1tera hd, running 10.13.6

Hd (Macintosh 2) crashed had all the apps, system, music, photos, etcetera on it. tech shop installed a 254gigs ssd in place of cd reader, installed high Sierra from Icloud and installed a new HD 1 ...
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2answers
44 views

Can I use any other PCIe SSD in Macbook Pro 15 (Retina, Late 2013) with or without adapter?

I have **Macbook Pro 15 (Retina, Late 2013) ** and want to use any of the following non-expensive but fast and easily available SSD's. List of SSD's I am looking to purchase. (1) https://www.ebuyer....
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1answer
32 views

Teaching mdworker some manners

Ever since my SSD upgrade, I'm having troubles with my MBP Mid-2010 shutting down "randomly". To be more precise, it seems to be caused by mds/mdworker utilizing 100% of my CPU. As a fix I have ...
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External USB drives are permanently active, even when ejected

I'm using several external drives on my 2017 iMac 5K. Among them are two hard disks, one 2.5" with 4 TB and a 3.5" with 8 TB. On the latter I'm running Time Machine. Both hard drives seem to be ...
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1answer
21 views

how to prepare two SSDs after upgrade (merge to fusion drive or not, terminal commands)

I just upgraded the CPU of my 2015 27" Retina iMac and while I was in there I took out the 1TB HDD and replaced it with a 512GB Samsung 850 Pro SSD. Now I'm ready to set it all up, but I'm not sure ...
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1answer
46 views

Apple Samsung 512 GB SSUBX SSD: Half as fast in MacBook Pro 15“ 2015 than in MBPR 13” 2014?

I have an Apple Samsung 256 GB SSUBX SSD which when installed in a 13" MacBook Pro Retina 2014 delivers 1,300-1,450 MB/s Read-Write, whereas when installed in newer 15" MacBook Pro Retina 2015 only ...
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1answer
80 views

How to upgrade boot rom firmware without an original drive

I have a 2015 MacBook pro that I am in the process of refurbishing. I purchased it used and it was missing many parts (wifi card, IO board, SSD). I have replaced all of these parts and purchased an ...
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3answers
211 views

Recommended way to move data when changing hard drive in a Mac

I'm considering upgrading the SSD in my mid 2014 MacBook Pro. I'm wondering: If I backup my hard drive with Time Machine, will I be able to use Time Machine to paste my current content (whole or ...
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1answer
14 views

Can I upgrade my Mid 2014 Mac SSD?

I have a MacBook Pro (Retina, 13-inch, Mid 2014) and would like to upgrade my SSD. I've searched online and haven't been able to find which type of SSD would work for this particular model. I've ...
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Why is the replaced ssd in my MacBook Pro working on PCIE 1.0 not 3.0

I replaced the SSD in my MacBook Pro 15" mid-2015 with a 1TB Samsung 970 pro. Following the instructions here: the question about SSD replacements of MacBook Pro, it should work on PCIE 3.0, but now ...
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1answer
43 views

Missing space on GPT drive sharing FAT and APFS volumes

I have a 500GB SSD with a 280GB NTFS volume, and a 180GB APFS container. The output from diskutil and gdisk are below. I resized the NTFS volume to 280GB from 300GB using the disk mgmt MMC in Win7. ...
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2answers
53 views

Jetdrive 850 install on Macbook Pro 2015

I have a Macbook Pro 2015 that I bought used. When I bought it, OS 10.13 (High Sierra) was installed, but the SSD was failing. I bought a JetDrive 850 to replace it, and put the High Sierra installer ...
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1answer
37 views

What is an OEM SSD for Macbook Pro

I have a Macbook Pro 13" Retina Display (Early 2015). I only have 128 GB of storage. I'm thinking of upgrading it. I've seen a lot of articles about purchasing OWC or Trascend's drives; however, I ...
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108 views

What adapter should I get for the Samsung 970 Evo to my mid-2012 15" MacBook Pro Retina Display?

I have been trying to find an adapter to install a Samsung 970 Evo in my A1398 mid-2012 15" MacBook Pro Retina display and I'm at a bit of a loss. All the adapters I've been looking at such as these......
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1answer
35 views

What's an SSD and does it help speed up a Mac?

I see where someone recommended an SSD to help speed up a Mac mini but I do not know what an SSD is. What's an SSD and what does it do?
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1answer
21 views

Transferring hard drive from an old to a new MacBook Pro?

I have this Macbook Pro which has been working grand other than a terrible Logic Board issue. So I’m jumping ship and wanting to set up a new, refurbished mid 2012 MacBook Pro. How can I transfer my ...
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1answer
23 views

What is the unit of `Power_On_Hours` in `smartctl`?

Macbook Pro, OS: 10.13.6 (17G65) 9 days ago, my smartctl's output: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000f ...
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28 views

Mac Pro 5.1 (mid 2012 ) Fusion Drive (2 SSDs and 1 HDD)

I have 2 SSDs 160GB each and a 4TB Disk (all SATA) I was thinking to put them in Fusion Drive setup, will it work? how it will work? which setup is recommended if possible? any speed benefits? ...
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1answer
111 views

How to convert internal boot SSD from HFS+ to APFS?

Many web pages claim that when you install 10.13 on an SSD, you have an option to convert to APFS. Many others claim that when you install 10.13 on an SSD, you will be converted to APFS whether you ...
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1answer
22 views

Can I use a Seagate SSHD in my iMac and if so, how do I load OSX (High Sierra) onto it

I'm looking to upgrade my iMac 14.2 (late 2013) by swapping out the existing HDD with a Seagate SSHD Hybrid drive, along with adding another 8Gb memory. I've done a similar upgrade on my daughter's ...
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0answers
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Space Dissapearing in OS X [duplicate]

Last night I freed up space on my SSD, and removed 12 GB of files. I did this because I read it is recommended to have at least 9 GB available at all times for the sleep image. This morning I restart ...
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2answers
422 views

Is it possible to install macOS onto external SSD on a Mac running Ubuntu?

Currently I am running only Ubuntu on my MacBook Air. Many have suggested I reinstall or install macOS on an external drive in case I ever need to troubleshoot, or in case something goes wrong. How ...
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Installing Dell LITEON 512GB m.2 w/adapter in 13" 2015 MacBook Pro w/High Sierra, not showing up?

Bought one of those nifty m.2 adapters on eBay for my 2015 MacBook Pro a1502 so I could save some money on buying an OEM drive by using a cheaper 512GB LITEON nvme SSD. MacBook's firmware is up-to-...
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0answers
25 views

Macbook Pro 13 early 2015, Internal ssd not recognized

I have a problem seeing the internal sdd, I have it unplugged currently because if i plug it in it gets very hot in less than a minute. I bought an external T5 ssd and used the recovery option to ...
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0answers
21 views

Moving Applications to External drive

My computer is an iMac running High Sierra 10.13.6 and my internal SSD is about full. To free up space I've decided to move my Applications to an external HDD with 2 Gigs. I know I can't move the ...
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1answer
48 views

SSD performance of different sizes

MacBook or iMac, is there any speed difference between that 256GB, 512GB and 1TB options? And what about SSD endurance, does it differ in any way?
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1answer
25 views

Slow High Sierra after restore from Time Capsule

So I had a hard drive (SSD) failure some time ago (it lasted 5 years of intense use, so I kinda expected that to happen). Luckily I had my Time Capsule running all the time, so it was a no brainer to ...
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Unnecessary iCloud sync after Time Machine restore

I replaced an iMac 2009 HDD with an SSD, and restored from a Time Machine backup. All went well - I log in as before and see my files. But now I see iCloud is syncing - uploading and downloading many ...
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1answer
84 views

MacBook Pro 15" Mid 2010 Update Firmware to read APFS hard drive?

Good day everyone, I have a 15" MacBook Pro Mid 2010. It's working well with the current hard drive (El Capitan). However when we swapped in our SSD (High Sierra) and booted, it gave the blinking ...