i believe raid 5 is essentially both raid 0 and raid 1. it has data striping but makes backups of your files as well (which in raid 5 doesnt slow down as much if I remember right), usually onto one or two backup drives. it's nice, but rather expensive since you'll need like 4 identical drives.
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coolermaster praetorian, zalman silent cpu cooling, shin etsu grease
Amd dual-core opteron 170 (denmark core), DFI lanparty UT NF4 Ultra-D
2Gb OCZ dual channel platinum
74Gb raptor, 250Gb SE16 Barracuda
eVGA 7800GT OC SE
Logitech mx518, x530
Enermax Liberty 500W PSU
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