Experimental Enhancements

Samsung 830 128GB SSD Benchmarks on SATA III after 5 months

06 December 2012

SSD: Samsung 830 128GB

Model Number: MZ-7PC128D

Firmware: CXM03B1Q

Capacity: 128GB

Filesystem: ext4,noatime,nodiratime,barrier=0,nobh,commit=100,nouser_xattr,data=ordered,discard

Notes: SATA III

$ hdparm -Tt /dev/sda
/dev/sda:
 Timing cached reads:   20600 MB in  2.00 seconds = 10310.98 MB/sec
  Timing buffered disk reads: 1452 MB in  3.00 seconds = 483.84 MB/sec

$ dd if=/dev/zero of=tempfile bs=1M count=1024 conv=fdatasync,notrunc
  1024+0 records in
  1024+0 records out
  1073741824 bytes (1.1 GB) copied, 3.7178 s, 289 MB/s

$ echo 3 > /proc/sys/vm/drop_caches
$ dd if=tempfile of=/dev/null bs=1M count=1024
  1024+0 records in
  1024+0 records out
  1073741824 bytes (1.1 GB) copied, 2.09799 s, 512 MB/s

$ dd if=tempfile of=/dev/null bs=1M count=1024
  1024+0 records in
  1024+0 records out
  1073741824 bytes (1.1 GB) copied, 0.162662 s, 6.6 GB/s