Drives (HDD, SSD, Network-attached storage)

Model		Average cost, USD ($)	Popularity
	Western Digital WD Scorpio Blue 320 GB (WD3200BEVE) HDD 2.5", 320Gb, for notebook (laptop)	60	0.6/10
	Western Digital WD NAS 2 TB (WDBMMA0020HNC) HDD 3.5", 2Tb, for server	257	0.6/10
	Western Digital WD Caviar Green 1,5 TB (WD15EADS) HDD 3.5", 1Tb, for PC	70	0.6/10
	Western Digital WD Caviar Black 1,5 TB (WD1501FASS) HDD 3.5", 1Tb, for PC	304	0.6/10
	Western Digital WD Scorpio Black 500 GB (WD5000BPKT) HDD 2.5", 500Gb, for notebook (laptop)	54	0.6/10
	Western Digital WD VelociRaptor 150 GB (WD1500BLHX) HDD 2.5", 150Gb, for server	185	0.6/10
	Western Digital WD Caviar Black 1 TB (WD1001FALS) HDD 3.5", 1Tb, for PC	169	0.6/10
	Western Digital WD XE 300 GB (WD3001BKHG) HDD 2.5", 300Gb, for server	144	0.6/10
	Western Digital My Cloud 6 TB (WDBCTL0060HWT-EESN) NAS (Network-attached storage) not standard, 6Tb, NAS (Network-attached storage) (NAS)	379	0.6/10
	Western Digital WD XE 900 GB (WD9001BKHG) HDD 2.5", 900Gb, for server	364	0.6/10

Most popular