Sata 3 speeds versus RAIDR Express PCIe SSD

[schreiber2011]

Dereck47 said in a closed topic ...

Hard drives can be SATA 3 "compatible", but not SATA 3 "capable".
A hard drive cannot spin fast enough to achieve SATA 3 speeds.

SATA 3 (6Gb/s) speeds are from 301MB/s to 600MB/s.
SATA 2 (3Gb/s) speeds are from 151MB/s to 300MB/s.
SATA 1 (1.5Gb/s) speeds are from 1MB/s to 150MB/s.

The data transfer rate of the 2TB WD Black is 138MB/s.
The data transfer rate of the 1TB Samsung Spinpoint F3 is 125MB/s.

One of the fastest consumer-level hard drives is the Seagate Barracuda and its data transfer rate is 210MB/s.

Hard drives manufacturers that advertise SATA 3 (6Gb/s) do so for marketing purposes.


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How about RAIDR Express PCIe SSD speeds? Can we except 800MB/s like Asus says?

 

[viewtyjoe]

SATA SSDs get performance into the 400-500 MB/s sustained range as it is, and preview tech for the newer PCIe SSDs now that they've standardized an interface is even higher, so 800 MB/s is pretty likely.