It apparently hit 387MBps for a few hours while running the montly raid scrub. I run luks on top of mdraid though so the raid scrub doesn't have to decrypt anything.
scp to write to the encrypted disk seems to get me something in the 60 - 100MB/s range.
1293685061 bytes (1.3 GB, 1.2 GiB) copied, 5.14336 s, 252 MB/s
which is good enough for me on magnetic disks
It apparently hit 387MBps for a few hours while running the montly raid scrub. I run luks on top of mdraid though so the raid scrub doesn't have to decrypt anything.
scp to write to the encrypted disk seems to get me something in the 60 - 100MB/s range.