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houssein31

macrumors regular
Original poster
Jul 16, 2013
147
0
I have a 2012 21.5 inch iMac with a 1T HD and I want to change it to a 512gb SSD. Im going to get it done at the local best buy, but they told me that I have to provide the SSD chip.

Im looking on amazon, and there are so many different type and they range for 200 to 300$. Why are some more expensive than other (even if they have the sae 512gb capacity)? Are the more expensive ones faster?

Any suggestions for a particular model I should buy?

Thanks in advance
 
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hfg

macrumors 68040
Dec 1, 2006
3,621
312
Cedar Rapids, IA. USA
Wow ... no way I would let Best Buy Geek Squad open up my iMac! :eek:

The easy way would be to get a Thunderbolt 2.5" enclosure, insert a SSD of your choice, and simply velcro it to the back of the iMac stand. No need to risk opening up the iMac at all. I would use a Samsung or Crucial SSD myself as I have had good experiences with them, and get something in the 256 - 512GB size.

My iMacs all have internal SSD only, however I have done the above for my Windows SSD using the LaCie "Rugged Thunderbolt" drives which have 512GB Samsung 840 EVO SSDs inside.
 

illusionx

macrumors 6502
Jul 4, 2014
326
1
Brossard, QC
Which SSD should I buy for an Upgrade??

Opening a 2012 iMac is not for the faint of heart. it has a glued display instead of a magnet held display glass. I wouldn't let the GeekSquad open it that's for sure.

As suggested, get a TB enclosure and put your SSDS in it. It's your best solution.

Choices for the best bang for the buck, get a Samsung 840 EVO or a Crucial mx110.
 

houssein31

macrumors regular
Original poster
Jul 16, 2013
147
0
Opening a 2012 iMac is not for the faint of heart. it has a glued display instead of a magnet held display glass. I wouldn't let the GeekSquad open it that's for sure.

As suggested, get a TB enclosure and put your SSDS in it. It's your best solution.

Choices for the best bang for the buck, get a Samsung 840 EVO or a Crucial mx110.

Will putting in an external SSD make it as fast as if I changed it internally??
 

satinsilverem2

macrumors 6502a
Nov 12, 2013
930
454
Richmond, VA
I also wouldn't let the Nerd Herd touch my mac. I second the Samsung 840 EVO in an external Thunderbolt enclosure or even a USB 3.0 one if money is a little tight. There may be a little bit of a bottleneck with using an external enclosure but nothing that the average user will notice.
 

hfg

macrumors 68040
Dec 1, 2006
3,621
312
Cedar Rapids, IA. USA
Will putting in an external SSD make it as fast as if I changed it internally??

Your "user experience" will be the same. :)

My 2012 iMac is the 27" and the internal mSATA blade SSD benchmarks at around 450 MB/s whereas an external thunderbolt 840 EVO benchmarks at around 375 MB/s. Putting that 840 EVO 2.5" SSD internal will not appreciably increase the benchmark speeds.

You could use a 840 Pro or 850 Pro for better benchmark performance ... but at higher cost.
 
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illusionx

macrumors 6502
Jul 4, 2014
326
1
Brossard, QC
Will putting in an external SSD make it as fast as if I changed it internally??


The sata 6gbs SSD would be the bottle neck. Otherwise, there wouldn't be performance lost with a TB enclosure vs internal sata.

Using a usb 3.0 enclosure will be limited to usb 3.0 speed, but it will be faster than your internal 5400rpm HDD for sure.
 

viorelgn

macrumors 6502
Sep 16, 2013
303
10
Romania
There are two new Crucial models: a budget one (BX100) and a high performance one (MX200), any information on how they compare to the Top Pick and Step up? Currently the BX100 500 GB is just 9$ less than the MX100, it does not seem worth the difference, but it will probably go down I guess...
 

houssein31

macrumors regular
Original poster
Jul 16, 2013
147
0
But I dont understand, the Geeksquad guy told me they coud do it...You really think they're gonna mess it up?
 

yjchua95

macrumors 604
Apr 23, 2011
6,725
233
GVA, KUL, MEL (current), ZQN
Your "user experience" will be the same. :)

My 2012 iMac is the 27" and the internal PCI blade SSD benchmarks at around 450 MB/s whereas an external thunderbolt 840 EVO benchmarks at around 375 MB/s. Putting that 840 EVO 2.5" SSD internal will not appreciably increase the benchmark speeds.

You could use a 840 Pro or 850 Pro for better benchmark performance ... but at higher cost.

It's not a PCIe blade. 2012 iMacs only have mSATA blades.
 
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