We used AJA System Test to benchmark file level sequential transfer speed using a 16GB test file (and 4K frame size).

RED graph bar means the fastest overall in Megabytes per Second.

Test 'mule' was a 2010 Mac Pro 6-core tower running OS X Yosemite 10.10.3 850 Pro = Samsung 850 Pro 256G SSD inside the FirmTek SeriTek/2eEN4 enclosure and connected to the HighPoint RocketRAID 2722 x8 SAS adapterĨ40 Pro = Samsung 840 Pro 512G SSD inside the FirmTek SeriTek/2eEN4 enclosure and connected to the HighPoint RocketRAID 2722 x8 SAS adapterĨ50 EVO = Samsung 850 EVO 500G SSD inside the FirmTek SeriTek/2eEN4 enclosure and connected to the HighPoint RocketRAID 2722 x8 SAS adapterĨ40 EVO = Samsung 840 EVO 500G SSD inside the FirmTek SeriTek/2eEN4 enclosure and connected to the HighPoint RocketRAID 2722 2722 x8 SAS adapterĨ50 Pro x4 PCIe = Samsung 850 Pro 256G SSD mounted on Apricorn Velocity Solo X2 PCIe board and installed in slot 3 of a 2010 Mac ProĨ50 EVO x4 PCIe = Samsung 850 EVO 500G SSD mounted on Apricorn Velocity Solo X2 PCIe board and installed in slot 3 of a 2010 Mac ProĨ50 EVO Drive Bay = Samsung 850 EVO 500G SSD mounted in an Icy Dock and plugged into a 3Gbps Mac Pro factory drive bay

Samsung 850 evo ssd drives for mac