[Bug 244356] Writing to a USB 3.0 stick is very slow

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 17 Jan 2023 11:58:19 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244356

--- Comment #93 from Hans Petter Selasky <hselasky@FreeBSD.org> ---
Hi,

If you don't see 400 MByte/s maybe the disk has a problem to enumerate at
Super-Speed and falls back to High-Speed (40 MByte/s) instead.

Some more data points for so-called-flash disk:

The highest write speed is obtained when a flash disk is low-level formatted
before use. Else you risk that flash areas needs to be erased before they can
be written, which takes additional time.

--HPS

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