New LSI 9200 series controllers: 6Gb/s, 2.88 GB/s seq. reads, 1.87 GB/s seq. writes

[Mastakilla]

for those interested, below are some screenshots showing the insane performance difference between Write Back and Write Trough on normal HDs:

Write Through:

vs Write Back:


Write Through:

vs Write Back:


Write Through:

vs Write Back:


and also a screenshot of CrystalDiskMark set to 4GB with Write Back enabled (to minimize the cache advantage)


as you can see, not only the write speeds increase by almost 1000%, but also both read and write speed stabilize a lot