Mechanical portable hard drive
Cheap and large capacity. 1TB only costs over 300 yuan. But the speed is slow, afraid of falling, and easily damaged by vibration.
Mobile Solid State Drive PSSD
Fast speed, small size, not afraid of falling. But expensive, 1TB costs over 600 yuan. The speed is 5-10 times that of machinery.
Purchase suggestions
Mechanical selection for storing cold data; Choose PSSD for daily backup; Select mechanical and hard drive enclosure for the material library.
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