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Hi Everyone,
I have a 2009 iMac 27'“ EMC 2374 and read the article on using the Samsung EVO 850 as a decent replacement SSD.
My question is, now that years have passed and the EVO 860 seems to be the more recent option - is the 860 a compatible drive for upgrading my old iMac?
Thanks
Robbie
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Here’s the guide to install it: Intel iMac 27" EMC 2309 und 2374 Festplatte wechseln
You’ll also need this OWC In-line Digital Thermal Sensor for iMac Late 2009 - Mid 2010 Hard Drive Upgrade As the system needs access to a drive sensor to work properly.
The Samsung 860 EVO is a great drive! But if you decide to go with something else be careful! As your system is only SATA II (3.0 Gb/s) most drives today are fixed speed SATA III (6.0 Gb/s) only which won’t work reliably in your system, The 860 EVO is able to support all three SATA specs (auto sense drive)!
El Capitan does add a wrinkle here!
Apple has a certificate window and most likely the installer you have won’t work ;-{
Here’s a bit more: If you've got an old macOS install image, it will probably stop working today
Get the refreshed installer here How to upgrade to OS X El Capitan Jump down to Step 4 to find the download link.
If you can I would make a USB thumb OS installer following this guide How to make a bootable OS X 10.11 El Capitan installer drive
You can also upgrade to High Sierra which is the newest macOS your system can support following these:
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thanks @danj - really helpful advice for me to bear in mind. Cheers
I've also just upgraded to High Sierra on this machine to remove that hurdle @danj
@danj I meant to ask whether my planned use of a Time Machine backup would suffice as a source to install on the new (blank) SSD or do I need to perform some pre-requisites first?
Thanks
I personally prefer creating the bootable OS installer drive and keep it locked up afterwards for the few just in case times you need it.
Using it to boot up and prep the drive all helps in making sure the buildup of some of the junk you have on your old drive or even the TimeMachine backup doesn't get moved over like log files.
At the end of the install the installer will prompt you if you have a backup and then just have it connected to finish the install from it.
Thanks @danj - Your last link for a bootable installer was for El Capitan - now I've upgraded to High Sierra - do you have a link for that - or will they essentially be the same?
Cheers
Robbie
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The EVO 860 will certainly work. SSD’s in general will make a huge difference as compared to your old hard drive.
Make sure the SSD is formatted as HFS+ (extended journaled). Freshly install High Sierra or copy your hard drive to USB-attached SSD using Carbon Copy Cloner
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Hold off on the cloner! Best to just use Apples Migration Assistant. Cloners have issues with the newer macOS's and can mess up a fresh drive as you are also bringing over all of the old stuff you don't need (logs & cache files).
Thanks both - I was planning on just using a time-machine backup and using disk utility to get the new drive up and running - I haven't purchased anything yet - just doing the research :)
my current OS is EL Capitan 10.11.6 @danj
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Hi @parsley
I dun see an issue actually, it should be alright, I guess you have the thermal sensor workaround there too?
von Augustine
Hi @salmonjapan
Thanks for the reply - I've read two approaches to the thermal sensor - one via s/w and the other via a cable. Just didn't want to waste the money on the SSD beforehand. Thanks
von Robbie McMillan