E3 1220V2 DS3617 Jun's Mod V1.03b DSM 6.2
CPU
# dd if=/dev/zero bs=1M count=1024 | md5sum
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 1.80579 s, 595 MB/s
cd573cfaace07e7949bc0c46028904ff
~# time $(i=0; while (( i < 9999999 )); do (( i ++ )); done)
real 0m39.807s
user 0m39.681s
sys 0m0.023s
HDD 6TBX5 Raid5
# dd bs=1M count=256 if=/dev/zero of=/volume1/share/testx conv=fdatasync
256+0 records in
256+0 records out
268435456 bytes (268 MB) copied, 0.725 s, 370 MB/s
# dd bs=1M count=1024 if=/dev/zero of=/volume1/share/testx conv=fdatasync
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 2.27316 s, 472 MB/s
# dd bs=1M count=2048 if=/dev/zero of=/volume1/share/testx conv=fdatasync
2048+0 records in
2048+0 records out
2147483648 bytes (2.1 GB) copied, 4.19457 s, 512 MB/s