Sam­sung 850 Pro 2TB

Big­ger than any other SSD to date, but is it the best one around?

Mac Format - - RATED -

£750 Man­u­fac­turer Sam­sung, sam­

War­ranty 10 years

Per­for­mance or ca­pac­ity is the di­chotomy that’s dom­i­nated data stor­age since main­stream SSDs ap­peared. This one com­bines the speed of flash with multi-ter­abyte mass stor­age that has been the pre­serve of con­ven­tional hard drives.

Its huge ca­pac­ity is largely down to Sam­sung’s 3D V-NAND mem­ory, which stacks mem­ory cells atop one another, rather than ar­rang­ing them in a flat, 2D ar­ray. Yet it’s a plain old SATA drive, so as a MacBook Pro up­grade it’s best suited to 2011 and 2012 mod­els – the SATA-II in­ter­face in older ones will in­hibit its trans­fer rates. We tested it in a sub-£20 USB 3.0 en­clo­sure, since many re­cent Macs can boot from that in­ter­face, should you not want to per­form se­ri­ous surgery on your iMac or mini.

In our test­ing, the drive’s trans­fer rates were on par with other ex­ter­nal SSDs we’ve seen – a few megabytes per sec­ond faster than most of them in most tests, and it out­paced even An­gel­bird’s SSD2go pocket by 39MB/sec when writ­ing se­quen­tially, reach­ing 424.4MB/sec. It’s cer­tainly up there with the best SATA SSDs.

Viewed along­side newer stor­age con­nec­tors, this drive’s use of SATA means it is in­her­ently un­able to boost your Mac to match those with PCIe flash stor­age, but it’ll per­form well enough in Macs that can take it, and over USB 3.0. Ni­cholas James

Se­rial-ATA SSDs can be fit­ted to older MacBooks – and even cur­rent desk­top mod­els if you’re brave enough. If you need the big­gest and best SATA SSD for a MacBook up­grade, this one is the cream of the crop.

Huge ca­pac­ity for an SSD

Ex­cel­lent per­for­mance

Mega 10-year war­ranty

Ex­pen­sive up­grade

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