SATA II vs USB 3.0 speeds

McGraw · 16 Aug 2014 at 22:38

Hi.

Just did a quick ATTO to see which was the better drive to install lesser used programs to and it seems my 2tb USB 3.0 is about 3 times faster than my 160gb SATA II (150mb/s vs 50mb/s).

Have I just got a slow SATA II drive as I thought they should be similar?

Cheers.

McGraw · 16 Aug 2014 at 23:17

USB about half empty and SATA about 2/3 empty.

Same here.

I have an identical SATA drive to test so will see what happens.

McGraw · 17 Aug 2014 at 00:38

USB 3.0 is a 5400 rpm Seagate expansion drive
SATA II is a Maxtor 160gb

McGraw · 17 Aug 2014 at 00:40

Hmm I assumed it was SATA II but no, it's 150 on the label so SATA I?

McGraw · 17 Aug 2014 at 01:56

Thanks.

I'm awaiting a 500gb replacement from a friend so this was only really an experiment.

Interesting though.