Differences What are the advantages of each

Front view of Samsung 840 Pro

Reasons to consider the
Samsung 840 Pro

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Much thinner thickness 7 mm vs 98 mm 14.1x thinner thickness
Significantly lighter 53 g vs 114 g 2.2x lighter
Higher MTBF 1,500,000 hours vs 1,000,000 hours 50% higher MTBF
More capacity per dollar 1.83 GB/$ vs 0.87 GB/$ More than 2x more capacity per dollar
Front view of OCZ RevoDrive 3 X2

Reasons to consider the
OCZ RevoDrive 3 X2

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Significantly higher capacity 960 GB vs 512 GB Around 90% higher capacity
Much higher passmark rating 7,427 pts vs 3,921 pts Around 90% higher passmark rating

Reviews Word on the street

840 Pro  vs RevoDrive 3 X2 

So the big difference in terms of performance you can likely trace to the flash memory in each drive.
840 Pro

Specifications Full list of technical specs


840 Pro  vs
RevoDrive 3 X2 
Capacity 512 GB 960 GB
Interface SATA III PCI-Express
Controller Samsung MDX 4 x SandForce 2281
Memory type MLC MLC

manufacturer performance

MTBF 1,500,000 hours 1,000,000 hours

form factor

840 Pro  vs
RevoDrive 3 X2 
Form factor 2.5" PCI-E
Thickness 7 mm 98 mm
Weight 53 g 114 g


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