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Origineel bericht door: Peter Gamble ,

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Surprising results for 27" iMac Retina 5K (mid 2017):

TESTED: 2017 iMac 5K SSD Speed vs 2015 iMac 5K (Surprising Finding)

Thus the '''2017 iMac 5K is substantially slower for everyday tasks that involve intensive I/O with smaller reads''', in spite of the 40% greater speed for large reads.

<https://macperformanceguide.com/blog/2017/20170707_2045-2017iMac5K-SSD.html>

2017 iMac 5K: Flash Drive (SSD)

2015 iMac 5K: writes at 1520 MiB/sec and reads at 2075 MiB/sec

'''2017 iMac 5K: writes at 2102 MiB/sec and reads at 2915 MiB/sec.'''

<https://macperformanceguide.com/iMac5K_2017-flashDriveSSD.html>

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That is less read speed than Samsung 960 PRO with sequential R/W (read/write) speeds up to 3,500/2,100 MB/s and random R/W speeds up to 440/360K IOPS, respectively.

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