Synology ?. HAT3300-4T NAS 4TB SATA 3.5 HDD 3.5" 4.1 TB 5400 RPM. HAT3300-4T NAS 4TB SATA 3.5 HDD. HDD size: 3.5", HDD capacity: 4.1 TB, HDD speed: 5400 RPM. HDD interface transfer rate. HDD sustained transfer rate.
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