350 MiB/s write speed after 4 PiB is ridiculous fast and impressive.

Here are todays update:

m4
1554.0292 TiB
6425 hours
Avg speed 74,93 MiB/s.
AD 236 to 232
P/E 26760
C3 11796 to 15808
01 5 to 6
CE 90
MD5 OK.
Reallocated sectors : 00


Intel X25-E 64GB
913.48 TiB
2892-30=2862 hours
Reallocated sectors : 248 to 255 to 7
Available Reserved space: 92
MWI= 94
MD5 =OK
87.01 MiB/s on avg


Mtron Pro 7025 32GB
Paused until new firmware is updated.

OCZ Vertex 1 120GB
Will start after an update to the latest firmware.