Synology DX517 offers simple storage capacity expansion solution for your DiskStation through its intuitive plug-n-use design. DX517 allows you to instantly scale up to 5 additional hard drives, so that you can expand RAID volume online or deploy the drives as a dedicated local backup destination for yourDiskstation. Models compatible - DS1819+, DS1618+, DS1019+ DS918+, DS218+, NVR1218 , DS420+,DS920+, DS720+Online Volume Expansion
Dedicated Local Backup Solution
Reliable Plug-n-use Design
Hot-swappable HDD Design
Adopts Marvell 88SM9705
3-year hardware warranty, extendable to 5-year coverage - EW201
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