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charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Am Tue, Feb 18, 2025 at 11:53:48AM +0000 schrieb Michael: > > Your expectations have some vague assumptions: >=20 > Yes, I was just trying to point loosely at the order of magnitude as an= =20 > indication of something being faulty in the USB Philip was trying to form= at. >=20 > > - the stick achieves full speed of its USB protocol >=20 > I haven't yet found a USB stick which reaches the maximum USB protocol sp= eeds. =20 > The old USB 2.0 stick I used will not go above 11-12MBps during large wri= tes=20 > and around twice as fast on sustained reads, well below the advertised US= B 2.0=20 > speed of 60MBps. I=E2=80=99ve never seen more than 40 MB/s, also with USB 3.0 HDDs attached = to a 2.0=20 port. > > - it keeps that throughput over time >=20 > Once buffers are saturated write operations will settle at what the devic= e can=20 > achieve. I have observed writes slow down when the empty space left is= =20 > getting low.=20 Which buffer? Sticks don=E2=80=99t generally have one, let a lone an equiva= lent to=20 an SSD=E2=80=99s SLC cache. I guess you mean the host=E2=80=99s cache? --=20 Gr=C3=BC=C3=9Fe | Greetings | Salut | Qapla=E2=80=99 Please do not share anything from, with or about me on any social network. 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