3520LF Raid 0 Block Sizes Compared
I decided to compare the raid 0 performance when different 3520LF controller block sizes were used in the creation of raid 0 arrays. The following block sizes were tested:
- 16K Block size with default NTFS 4K cluster
- 64K Block size with default NTFS 4K cluster
- 128K Block size with default NTFS 4K cluster
- 128K Block size with default NTFS 16K cluster
- 256K Block size with default NTFS 4K cluster
Advanced Performance was enabled on all tests.

System specifications:
- Intel Core 2 Extreme QX9650 L739A640 Retail
- Corsair Nautilus 500
- DFI LP UT X48-T3RS 9/23 beta bios
- NB Cooling: Thermalright HR-05 + 80x25mm Sunon 49cfm fan
- HIS HD4870x2 stock hsf with CAT 8.9 official drivers
- 9-9-9-24 at 2.0v rated (Samsung ICs)
- 750GB Samsung HD753LJ – Main OS drive
- 4x 32GB OCZ Core Series SSD 2.5″ (placed in Manhattan dual 2.5″ bay racks)
- Highpoint RocketRaid 3520LF PCI-E raid controller with 256MB DDR2 cache
- LiteOn DVD-ROM
- 1KWW Corsair HX1000
- Windows Vista Ultimate SP1 64bit fully updated via vLite integration
Benchmark Applications Used:
- ATTO Bench 256MB Length
- HDTach 32M
- HDTune 2.55
- Everest Ultimate 4.60.1536 Beta – Read Suite & Random Write tests
- Iometer 64bit 2008.6.18
- Pcmark05 Full suite & HDD Suite tests ()
- Pcmark Vantage 64bit Full suite & HDD suite tests ()

