Ideal for enterprise servers and storage, video surveillance, and other write-intensive applications, WD RE 7200 RPM Enterprise SATA hard drives offer up to 4 TB capacity, 64 MB cache, 4th generation vibration tolerance and 5-year limited warranty.

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• Synology DiskStation 5-Bay Diskless Network Attached Storage (NAS) with iSCSI/DS1513+ (DS1513+)
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• Synology America DiskStation 8-Bay Diskless Network Attached Storage (DS1813+)