Drives (HDD, SSD, Network-attached storage)

Model		Average cost, USD ($)	Popularity
	Western Digital WD Se 1 TB (WD1002F9YZ) HDD 3.5", 1Tb, for server	141	0.9/10
	Western Digital WD Caviar Green 4 TB (WD40EZRX) HDD 3.5", 4Tb, for PC	121	0.9/10
	Western Digital WD Se 3 TB (WD3000F9YZ) HDD 3.5", 3Tb, for server	286	0.9/10
	Western Digital WD Blue 250 GB (WD2500AAKX) HDD 3.5", 250Gb, for PC	24	0.9/10
	Western Digital WD Green 2 TB (WD20NPVX) HDD 2.5", 2Tb, for PC	124	0.9/10
	Western Digital WD Purple NV 6 TB (WD6NPURX) HDD 3.5", 6Tb, для систем видеонаблюдения	213	0.9/10
	Western Digital WD RE 6 TB (WD6001FSYZ) HDD 3.5", 6Tb, for server	748	0.9/10
	Western Digital WD Caviar Black 4 TB (WD4001FAEX) HDD 3.5", 4Tb, for PC	214	0.9/10
	Western Digital WD Scorpio Blue 250 GB (WD2500BEVS) HDD 2.5", 250Gb, for notebook (laptop)	152	0.9/10
	Western Digital WD VelociRaptor 150 GB (WD1500HLFS) HDD 3.5", 150Gb, for server	218	0.9/10

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