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2013 MacBook Pro Retina and later
2013 and later MacBook Air
Mercury Accelsior PCIe SSD — Speed (Triple RAID-0 Stripe)
This page details the performance across the entire drive capacity (0..1000 files) using the DiskTester fill-volume test.
Three OWC Mercury Accelsior PCIe SSDs were used: one 240GB model and two 480GB models (mixing capacities is not recommended, this is simply a test “for fun” using available hardware).
Consistent speed is seen for both compressible and incompressible data across the entire drive, with the speed of incompressible writes dropping to “only” 1000 MB/sec! It would require 8-10 fast hard drives striped to reach that speed.
Curiously, incompressible data reads at notably faster speeds than compressible data, hitting over 1800 MB/sec!
Readers should be clear that this extreme level of performance is of no practical use for any software that we’ve ever used here at MacPerformanceGuide.com.