Test Environment

ProLiant MicroServer Gen8
E3 1230V2@3.3G
16GB RAM
3 WD Red NAS 4T/ @HP P410 Raid5

Software:
HP ESXi 6.0.0U2
Virtual:
Debian 8/X64
8 CPU/ 4G RAM

Benchmark Tool

FIO (Flexible I/O Tester)

Google Compute SSD FIO Script

https://wiki.mikejung.biz/Benchmarking#Linux_Benchmarking_Tools

Result:

# Full write pass

1 process
 Run status group 0 (all jobs):
 WRITE: io=20480MB, aggrb=267620KB/s, minb=267620KB/s, maxb=267620KB/s, mint=78363msec, maxt=78363msec

 Disk stats (read/write):
 sda: ios=0/41090, merge=0/194, ticks=0/17786888, in_queue=17813224, util=99.70%
benchmark: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=128

4 process / Random Read

Run status group 0 (all jobs):
 READ: io=45580KB, aggrb=1500KB/s, minb=1500KB/s, maxb=1500KB/s, mint=30379msec, maxt=30379msec

Disk stats (read/write):
 sda: ios=11312/12, merge=0/7, ticks=4291100/444, in_queue=4331296, util=99.76%
benchmark: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=128

# 4 Process / Random Write
Run status group 0 (all jobs):
 WRITE: io=113208KB, aggrb=3689KB/s, minb=3689KB/s, maxb=3689KB/s, mint=30684msec, maxt=30684msec

Disk stats (read/write):
 sda: ios=0/28298, merge=0/0, ticks=0/4648448, in_queue=4649856, util=99.76%