3.5" INCH SATA HARD DRIVE PC CCTV DVR 1TB 1.5TB 2TB 3TB 4TB 6TB 8TB
Buffer : varies between 8MB - 32MB. Interface :SATA. Internal high performance hard drive. Device Type : Hard Drive - Internal. Spindle Speed : 5400RPM -7200RPM different capacities have different RPM.