Bought a couple of 10TB HGST He10 Drives for $70 each 

Bought a couple of 10TB refurbished HGST He10 drives from goHardDrive through eBay.
One of the drives showes some errors and after contacting the seller, they promptly sent me a prepaid return label. First impressions are pretty good. They offer 5 year warranty on these drives which should be more than enough for my use case which is putting them in a Synology DS 224+ NAS for some testing purposes.

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