Samsung is the largest flash manufacturer in the world, but most of its sales volume goes to companies like Apple, which then use the memory in their own products. Consumer products have become increasingly important to the Korean manufacturer, however, and its mass market SSDs have attracted quite a bit of attention. Late last year, Samsung launched a pair of SSDs aimed at enthusiasts and the mass market—the Samsung 840( at Amazon Canada) and 840 Pro Series 256GB( at Amazon Canada). Both the 840 and the 840 Pro use Samsung's MDX memory controller. The new chip contains three ARM Cortex-R4 cores as opposed to the 830 family's ARM9 chips, and the cores run at a higher clockspeed (300MHz as opposed to 220MHz). The difference between the 840 and the 840 Pro is that the 840 Pro uses Samsung's Toggle Mode MLC Flash rather than the newer, cheaper, and slower TLC (triple-level cell) NAND in the 840. The warranty terms are also different; the 840 has a three-year warranty, while the 840...
The Samsung 840 Pro Series 256GB is the fastest internal solid-state drive we've tested, and comes with a 5-year-warranty.
Best SSD performance we've seen for less than $1 per GB; Five-year warranty
Significantly more expensive than the Samsung 840