The Samsung 840 EVO is a standard SATA 3 6Gb/s solid state drive.
It is a fast ssd.
It is more than a good ssd. It is an excellent ssd. It has a proven track record. It is the number one best selling ssd in the world.
It is definitely better and faster than a Western Digital Velociraptor hard disk drive.
The Samsung 840 EVO is considered to be a great ssd.
PCIe ssd's are faster than standard SATA 3 6Gb/s ssd's. An example would be the Mushkin Scorpion Deluxe.
M.2 NGFF ssd's are faster than standard SATA 3 6Gb/s ssd's. An example would be the Samsung XP941.
I maintain the ssd database listed in a sticky at the very top of this forum section. Here is the link:
http://www.johnnylucky.org/data-storage/ssd-database.html
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