Drive time

Mac Format - - APPLE TALK -

Hav­ing re­cently pur­chased a Retina 5K iMac with a 7200rpm drive, I quickly re­alised the mis­take I made. I’ve been tri­alling var­i­ous Thun­der­bolt bus-pow­ered drives as a re­place­ment boot drive (La­Cie Rugged and OWC On-The-Go Pro), but note that Son­net have just pro­duced what looks to be a po­ten­tial mar­ket leader. The com­pany claims trans­fer speeds over 1300MB/sec.

Can I ask if you have any plans to re­view this prod­uct in an up­com­ing edi­tion? They are ex­tremely ex­pen­sive, and I would not like to in­vest that kind of money, should their claims not hold up. Lee Col­man Alan Stone­bridge says… We aren’t plan­ning on re­view­ing Son­net’s Thun­der­bolt 2 prod­ucts be­cause they’re re­ally aimed at cre­ative pro­fes­sion­als who need their ex­treme through­put to sup­port things like 4K video. That’s not to say you can’t use them for other things, but it’s a huge ex­trav­a­gance.

In the past we’ve fit­ted older Mac­Books with SATA-III SSDs and added a USB 3.0 SSD in a sub-£20 en­clo­sure to an iMac with good re­sults. Both of those in­ter­faces are un­able to reach the Son­net drive’s trans­fer rates, but those routes will still trans­form you iMac ex­pe­ri­ence.

Af­ter adding an SSD, con­sider run­ning sudo trim­force en­able in Ter­mi­nal. This switches on sup­port for the TRIM com­mand with third-party SSDs. How­ever, pre­cisely be­cause this is a non-stan­dard way of op­er­at­ing – and be­cause the com­mand warns of the po­ten­tial for data loss, you should ab­so­lutely be back­ing up.

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