3.5" PATA Enclosure - Testing
HDTach is a free hard disk benchmarking program from SimpliSoftware. It is used to measure the Burst Speed, Average Read Speed, and Random Access Time of the hard drive. In this case, it has been used on the same hard drive both internally and in the external enclosure. Just the same as with the SATA enclosure.
Obviously, the external USB interface surely slows down the overall performance of the drive. The external connection was beaten out in every category, which is not all too surprising. The burst speed between USB and internal differed greatly, but USB is known for lack of great burst speeds. Of course, it would be recommended to run the hard drive internally for maximum performance, the enclosure surely isn't below par when it comes to external enclosure speeds over USB.
Sisoft Sandra is a synthetic benchmark utility capable of reporting and benchmarking a wide range of system components. For our Seagate PATA hard drive we ran the read speed utility both internally and in the external enclosure, three times each to ensure accurate results. Here we run it again like before with the SATA enclosure.
Here we see once again that the drive performs better inside the system, and I would have to blame that speed decrease on the transfer through USB itself. However convenient USB 2.0 may be, it can still greatly hinder performance such as this.
After prolonged use of the enclosure and drive, I've found no problems in operation or performance. The enclosure and drive a pretty much rock solid, and have no problem between systems. I would rather use the SATA enclosure for speed alone, but if you have an extra Ultra ATA drive lying around, it sure doesn't hurt.
Let's move on to the Media Reader/USB Hub on the next page...
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