9. Upgrade Hardware: disk Database Systems 2008 THOLIS CONSULTING 2008: SSD disks + Access time 0,1 ms (vs. 4-5 ms SAS disk) + I/O *2-3 + Power consumption 10-20% of HDD + Noise level 0 db - Still very expensive: €2.300,- for 128 GB EMC Symmetrix: SSD as ‘ultra high performance’ option