Benchmarks - HD Tune Pro
With the card installed onto the ASUS P7P55D
Premium and drivers installed. We tested the performance of USB 3.0 and SATA 3
(6Gbps) with the enclosure. Finally we run the tests again using a SSD in
replacement of the HDD to ensure that the limiting factor is not in the SATA2
drive.
Using USB 3.0 connected to HDD enclosure
Using USB 3.0 with SSD
Using SATA 3 connected to the HDD
First, we take a look at what happens when we connect the Seagate HDD versus the
Intel X25M SSD both inside the enclosure and connected to U3S6 via the USB 3.0
interface.
With the Seagate SATA2 HDD connected via USB 3.0, the average is 106MB/s (read),
104MB/s (write). In replacement of the HDD, the Kingston SSD gets an average
read of 200MB/s. If you notice the burst rate is rather high high for the HDD.
When we connect the HDD without enclosure with the SATA 3.0 ports on the U3S6,
it scores an average of 106.3MB/s for read and 104.9MB/s for write.
This speed is quite consistent with what the USB 3.0 is able to achieve. Again,
we see that USB 3.0 is able to give speeds almost identical to SATA3. In fact,
even if the USB 3.0 is connected to a SSD drive, it is able to achieve almost
200MB/s, that is very close to what a SATA2 connector with a high speed SSD.
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