Drives (HDD, SSD, Network-attached storage)

Model		Average cost, USD ($)	Popularity
	Western Digital WD AV-GP 2 TB (WD20EURS) HDD 3.5", 2Tb, for server	124	0.6/10
	Western Digital WD Scorpio Blue 120 GB (WD1200BEVE) HDD 2.5", 120Gb, for notebook (laptop)	97	0.6/10
	Western Digital WD Scorpio Blue 500 GB (WD5000BEVT) HDD 2.5", 500Gb, for notebook (laptop)	77	0.6/10
	Western Digital WD Blue Mobile 750 GB (WD7500LPCX) HDD 2.5", 750Gb, for notebook (laptop)	111	0.6/10
	Western Digital WD AV 320 GB (WD3200AVJS) HDD 3.5", 320Gb, for server	24	0.6/10
	Western Digital WD AV 250 GB (WD2500AVJB) HDD 3.5", 250Gb, for server	89	0.6/10
	Western Digital WD VelociRaptor 300 GB (WD3000HLFS) HDD 3.5", 300Gb, for server	407	0.6/10
	Western Digital WD Caviar Green 2 TB (WD20EARS) HDD 3.5", 2Tb, for PC	103	0.6/10
	Western Digital WD Scorpio Blue 320 GB (WD3200BPVT) HDD 2.5", 320Gb, for notebook (laptop)	28	0.6/10
	Western Digital WD Caviar 160 GB (WD1600BB) HDD 3.5", 160Gb, for PC	56	0.6/10

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