This listing is for a Western DigitalWD Red Pro 8TB 7200RPM 3.5" SATA NAS Hard Drive WD8001FFWX 128MB Cache Hard DriveThese drives are in good working condition, and have been tested. They were removed from a working NAS system, and are ready to be put to use in your NAS or other application.Drives are used, but guaranteed to be functional. They have been stored in anti static bags, and will be shipped in anti static bags.I have 14 drives available, please see the last few photos to see all the drives/serials./ You will receive one of these pictured drives.I buy and sell computer and audio visual equipment and offer a 30 day return policy so buy with confidence!Orders over 750$ will require a signature on delivery.