Taken out of a post production house when downsizing. Fully Functioning. Great for redundant or back up storage or media server.
Synology description:
"Synology DS916+ is a full-featured 4-drive-bay network attached storage solution specifically

designed for small and medium-sized business users and IT enthusiasts who care about

high performance throughput and safety for data sharing and backup. DS916+ is equipped

with an Intel® Pentium® N3710 quad-core processor with AES-NI hardware encryption

engine and 2GB or 8GB memory options, providing outstanding throughput at over 225.91

MB/s reading and 221.04 MB/s writing, and an astonishing encryption acceleration at over

225.83 MB/s reading and 209.35 MB/s writing under a RAID 5 configuration in a Windows®

environment with Link Aggregation enabled1

.

With scalable drive management of up to 9 drives with Synology Expansion Unit DX5132

and real-time 1-channel H.264/H.265 4K Ultra HD or 3-channel Full HD3video transcoding

support, DS916+ is also ideal for sharing and storing ultra-high definition media contents."