Am Fri, May 30, 2025 at 11:56:24AM +0100 schrieb Michael:

> > According to that, it is connected at udma6 which is the fastest.  So
> > that is good, I guess.  Since both drives is slow to connect, it seems
> > this is a trend and may just be normal for these drives.  Given I use
> > these for data that is only put in use a few minutes after booting,
> > which gives it plenty of time to connect properly, then it isn't a
> > problem for me.  I just wouldn't want to try to put a OS on the thing
> > and boot from it. 
> > 
> > Any one else have different thoughts?  See a problem that is a trend, in
> > a bad way?  Given two different drives has the same slow connect time,
> > maybe it is normal. 

> You can transfer some data from a tmpfs and measure the speed.  If it gets 
> anywhere near 4.8 Gbit/s (600 MB/s) its a SATA 3.

But only on a fast SSD. An HDD does not reach this speed at all. I have a 
USB3 to M.2 SATA enclosure with an SSD inside and I get around 400 MB/s for 
sequential transfers of big video files. I guess the SSD doesn’t get any 
faster.

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